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Патент USA US2007070

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July 2, 1935.
Filed sept. 2, 1955
7 sheets-sheet
July 2, 1935.
Filed sept. 2, 1953
7 Sheets-sheet
July 2, 1935. y
Filed sept. 2, [email protected]
7 sh'eetsßheet
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BY mhmwù
July 2, 1935.
Filed Sept. 2, 1933
7 Sheets-Sheet
[email protected]
[email protected]
Juìy 2, 1935.
Filed Sept. 2, 1935
7 Sheets-Sheet
July 2, 1935»-
Filed Sept. 2, 1935
'7 Sheets-Sheet
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" July 2, 1935.
Filed sept. 2, 1933
7 sheets-sheet
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Patented July 2, 1935
Louis Burckle, Kansas City, Kans., assignor to
Continental Can Company, Ine., New York,`
N. Y., a corporation of New York
Application September 2, 1933, Serial No. 688,049
il) Claims.
It has been a common expedient to provide an
ear for a pail to which a bail is to be attached,
which ear consists of two members, one of which
serves as a supporting’means for the bail and the
5 other as a backing for the ear serving as a closing
means therefor. The parts of the ear are con
nected together and are attached to the con
(Cl. 113-1)
the ear -fronts and the control whereby no ear
front is fed _unless there is an ear back to receive'
the same;
Fig. 9 is a view in vertical section on the line
8-9 of Fig. 6, and showing the means for rotat
ing the ear parts, the means for applying the
coating, and also the means for controlling the
tainer body by forming an opening in the wall feed of the coating through the applying nozzle;
of the container body'and'interfolding the edge
Fig. 10 is a detail showing the cam for operat
10 portion at the opening in the wall with the parts ing the lever controlling the valve of the coat 10
of the ear. The present invention has to do with ing device;
a machine for assembling the parts of the ear.
Fig. il is a view in vertical section on- the line
An object of the invention is to provide a ma
ii-ii of Fig. 6 and showing one of the devices
chine whereby the ear backs and the ear fronts for clinching the ear parts together after the
may be rapidly assembled and, connected so that coating has been applied thereto; 15
the assembled parts may be handled as a unit.
Fig. 12 is a vertical sectional View on the line
A further object of the invention is to provide í2-~l2 of Fig. 6 and showing the means for re
a machine of the above type with means for ap moving the connected ear parts from the turret;
plying a sealing material to the ear parts, which
Fig.V 13 is a view partly in plan and partly in
20 sealing material is so placed that it will aid in horizontal section showing the operating means 20
the forming of a tight joint between the ear and for the feeding devices, thefcontrol of the valve
the wall of the pail when the ear is attached for the coating device, and the clinching means;
In the drawings which show by way of illus
25 tration one embodiment of the invention
Figure l is a view in section showing the two
parts of an ear which have been assembled pre
paratory to the attaching of the same together;
Fig. 2 is a view similar to Fig. l, and showing
30 a coating applied to the ear parts, which is to
serve later as a sealing means for the joint at
taching the ear to the wall of the container body;
Fig. 3 is a View showing the ear front and ear
Fig. 14 is a view partly in section'and showing
more or less diagrammatically the control of the
valve for the coating machine, and the means
for automatically closing the valve when the ma
chine is stopped, and also the hand _means for
closing the valve while the machine continues
to operate.
The invention has to do with a machine for
assembling the parts of an ear and the clinching
of the same together so that they may be han
dled as a unit.
The ear backs and the ear fronts
back as clinched together after the coating has are placed inhoppers and are fed from the hop
been applied thereto;
pers through delivery chutes to a receiving tur
Fig. 4 is a view showing the ear placed in the ret which conveys the ear parts to the differ
wall of a container preparatory toA the bumping ent stations where they are- operated upon. The
of the parts for joining the ear to the container; turret is provided with a series of pockets tore
Fig. 5 is a View showing the parts bumped ceive the’ear parts. First, an ear back is placed
and the ear attached to the wall of the container; in the turret and then an ear front is fed on
Fig. 6 is a plan view showing more or less to the ear back, and properly nested therein
diagrammatically the machine for assembling the preparatory to the clinching of the` parts to
ear parts, the applying of the coating thereto, gether. The turret then presents the assem
and the clinching of the parts together;
' ’ .
bled ear parts to a coating machine'where a
Fig. 7 is a vertical sectional view through the coating Vof sealing material is flowed on to the
machine on the line 'l-'l of Fig. 6 and showing ear back around the peripheral edge thereof
the feeding means for controlling the feed ofthe and within the flange of the ear back. The tur
ear backs to the turret which presents said ear ret then presents the assembled ear backs with
backs to the different stations for operation the coating applied thereto to a clinching device
thereon, said view showing the means for stop which bends the upwardly'projecting flange of 50
ping themachine in case of a jam;
the ear back vover the flared flange of the ear
Fig. 8 is a vertical sectional View through the front so as to clinch the parts together and` holdY
machine on the line 3_8 of. Fig. 6 and showing the same in assembled position, fully covering
the operating means for the feed for the car and protecting the coating that has been applied
backs, and also >showing the feeding means'for thereto. The turret next presents the assem
bled ear parts with the coating thereon and ing shaft 2l and is connected thereto by a clutch
clinched together to the discharge station, where 22 which may be of any desired construction.
they are positively removed from the turret and The shaft section 2i] telescopes within the shaft
section 2i and when the clutch 22 is in the posi.
delivered on t0 a conveyor so that the assem
bled units with the sealing material thereon may tion shown in Fig. ’7, the two sections of the shaft
be passed through an oven or other suitable means
for setting or drying the coating.
Before proceeding with the description of the
are connected for rotation.
When this clutch 22
is raised, then the two shaft sections are discon
nected. The driving shaft 2! carries a bevel gear
machine, the construction of the ear which is 23 meshing with a bevel gear
ctuating shaft of the machine.
10 being formed will be briefly described. In Fig.
on the main
This shaft 2i) 10
1 there is shown in cross section the ear front
carries a crank arm 25 provided with a roller 25
and ear back nested together preparatory to the
(see broken lines, Fig. 6). The roller 25 forms
a part of a Geneva stop motion through which
coating of the same.
The ear front I has an
opening E therethrough for receiving the bail. the turret is intermittently rotated step by step
The depending skirt of the ear front is provided and brought to a stationary position where it
with an outwardly ñaring ñange 3. The ear back is locked for an interval of time against move
4 is free from openings and serves as a closing nient. rlî’his is the usual construction and it will
means for the opening 2.
Said ear back has a not be necessary to describe the o e-ration in any
channel formed near the peripheral edge there
of, and an upstanding flange 5. Fig. 2 shows
the parts with the coating flowed on to the ear
back and indicated at 6. Fig. 3 shows the parts
after having been subjected to the» clinching
means which turns the flange 5 inwardly and
great detail. The roller operates in radial slots
2? in the actuated member 28 of the Geneva stop 20
The segmental disk E” carrying the arm
nieves into locking engagement with the tur
ret between. the radial slots, in the usual vfay.
The actuated member 28 is pinned to the sleeve
25 over the flared ñange 3 so as to unite the parts
i3 and causes the sleeve i3 to turn therewith. 25
loosely, but suiiiciently to hold them together Mounted on the sieeve 53 and keyed thereto is a
as a unit. After the parts have been assembled
and clinched together in the manner just de
scribed, then they are passed through an oven
and the coating dried or set. This completes the
assembled ear construction and it is ready for
attachment to the pail. The wall of the pail
receive an at
ear'I inserted
is provided
from with
the inside
an opening
collar 3i?.
This collar turns with the sleeve but
can move endwise of the sleeve. Springs 3l nor
mally press the collar in an upward direction as
shown in Fig. ll., and this collar carries one or 30
more projections 32 which are adapted to seat in
recesses 53 in the hub i5 for driving the turret.
The projection 32 has the faces thereof inclined,
there occurs a jam in the parts being
ly through the opening. Said peripheral edge handled by the turret, the turret will stop and
portion around the opening is bent so as to pro the collar 39 will be given an endwise movement
vide an inwardly inclining flange 6. This flange through the inclined faces of the projections act
is hooked into the flange on the ear back and ing on the inclined faces of the recesses in which
forms therewith and with the flared flange on they seat.
Bearing on the under face of the projecting
40 the ear front, a joint which is completely sealed
by the sealing material placed on the ear parts. ledge 352 of the collar 35j is a roller 34 carried
This operation is accomplished by a bumping by a lever 35 which is pivoted at 33. When the
of the ear parts after they are placed as shown collar is pressed downward through a stopping
in Fig. 4. In Fig. 5, a completed joint is shown, of the movement of he turret, it will press down
on the roller
and lift the right-hand end
45 and it will be noted from this figure that the
ear is attached to the container body through of the lever 35. Attached to the free end of the
a joint which is hermetically tight and free from lever -35 is a lug 3? which is adapted to Contact
leakage of any character. This enables ears to with a lug iid on an arm 39 attached to a shaft êû.
be attached to pails which may be hermetically Yîne shaft lid carries an arm li! provided with a
forked end carrying rollers «'52 running in an
50 sealed, if desired.
The machine embodying the invention, as il annular groove -13 Li the clutch member
is attached at ¿l5 to the arm fsi and
lustrated in the drawings, consists of a support spring
ing base S which may be of any desired construc is attached at its upper end to a lug »'15 carried
tion. Mounted on this supporting base is an by the upper frame. This spring normally tends
upper frame structure lli. The upper frame to move the clutch so as to dir_fengage the same
stop the machine.
structure IG is provided with a supporting sleeve from the driving shaft
II in which is mounted a supporting column or When the clutch is thrown into engagement
standard I2. Mounted for rotation on the col with the cooperating parts for driving the ina
umn I2 is a sleeve I3. Said sleeve is provided chine, the lever 29 is moved to the position shown
so that the lug
will be engaged by
with a shoulder i4 and resting on said shoulder in Fig.
is a hub I5 carrying the Yturret £5. The turret the lug 3? and this will hold the clutch in engage
and 38
I6 as shown in Fig. 6, is provided with a series of ment. The adjacent faces of the lugs
inclined for the purpose of automatically
pockets Il equally spaced from each other. Di
rectly beneath the turret IG is a supporting an permitting engage. ent of this control lever 35
nular table or plate I8. The turret moves very with the lever ""- when the clutch is closed. Av
attached to the control
close to the annular plate and will slide the as
sembled parts of the ear while retained in the mally urges the same downwardly at the free
pocket along the supporting plate from one op end, and causes said holding lugs to become en
It will be seen that when a jam stops the
erating station t0 another. Mounted on the sup
70 porting plate is an annular guide rail E9 which turret and- forces the colar 3S downwardly, it will
retains the assembled parts in the pockets in the swing the control lever 35 so as to release the
lever 39, and the spring L35 will shift the clutch
Mounted in suitable bearings in the upper so as to stop the machine.
As shown in the drawings, the feeding-in de
frame II of the machine is a vertical shaft 2S.
The vertical shaft 20 is in alinement with a dri“ vices and also the operating devices are shown in
duplicate;v that is to say, there are two feed chutes
for simultaneously delivering ear backs to pockets
in the turret. There are also two feed chutes for
simultaneously placing ear fronts on the ear backs,
Si and then two separate coating devices and two
separate clinching-devices. The turret is moved
by themeans described above so as to place two
lar groove 68 in a collar attached to the column
serves as a means for raising and lowering the
column. This lever 66 is pivotally supported on a
shaft 59, and carries at its inner end'a roller ‘I0
running in a cam groove in a disk 1l. The disk 'H f
is fixed to the cross shaft VT2 which carries a worm
gear "I3 meshing with a worm gear 'I4 on the shaft
adjacent pockets opposite the two feed chutes 25.
for feeding the ear backs thereto, and then the
In4 Fig. 8 of the drawings, there is shown a feed
10 turret is turned so as to place the two pockets con
taining the ear backs in proper register with the
chutes for feeding the ear fronts into the pockets,
and likewise, the turret is then turned for pre
senting the assembled ear parts lto the respective
coating devices and the respective clinching de
ing mechanism for controlling the Year fronts. 10
There are two chutes l5 and l5 as shown in Fig. l
for the ear fronts, which chutes are supplied with '
ear fronts from hoppers in any suitable way.
Mounted beneath each chute is a control feed for
the ear fronts. Thesefeeds are similar in con 15
struction and only one will be described, although
the numerals will be applied to each. There is a
vices. The ear backs are controlled by feeding de
vices which are similar in construction in connec
nection with each'feedfchute. ' One of the feed feed dog 'if mounted beneath the chute and mov
chutes is indicated at ¿i8 and the other at 45. These ing upward through a slot in the chute into the
feed devices being similar, will be described as one path of travel of the ear backs i . ,The ear back i’ 20Y
and like reference numerals applied to the other. is shown as retained by the dog 'Il and the ear back
1 The ear backs are fed into the chutes from hop
l”`is bearing against the same. The dog 'il is
pers which may be of any desired construction. pivoted at 'i8 to an adjustable supporting member
The ear backs slide by gravity down the chutes 'I9 which is attached' to the table or plate i8 by
in a continuous row, contacting with each other. a bolt 85 passing through a slot ill in the table. 25
There is a feed dog 55 carried by a lever 5| pivoted This permits the feed dog to be moved toward or
at 52 which is urged by a spring 53 so that it con from the turret for properly positioning the same.
tacts with the earback and retards its movement A feed dog 52 is located directly above the feed dog
in the chute. As shown in Fig. '7, this feed dog 5i? 'il and is pivoted at 83 to the supporting member
is moved so as to engage the ear back 4’ for pre 79. A spring 85 bearing on the feed dog 82 moves 30
venting movement thereof in the chute. The ear the same to a position beneath the floor of the
back 4" has been released and has moved for chute so that the ear fronts will slide along said
ward into the pocket I'l of the turret £6. The chute. The feed dog $2 carries a plate orroller
lever 5I is provided with a depending \ lug ' 53a 85 which bears on the feed dog Tl to the right of
which contacts with the table or plater l5 and this pivot at 18, so that the spring will raise the
positions the dog 55 so that it will engage the feed dog l'i into a position for obstructing the
flange of the ear'baok for holding the same from movement of the ear backs.
It is desired that no ear front be fed into the
movement. The dog 5B is secured to the lever v5!
by a clamping sleeve and bolt 54 which permito pocket of the turret unless there is an ear back
40 the dog to be shifted toward and from the turret with which it may be assembled. A control 40
and also vertically for properly setting the same. means has been provided which renders the feed
There is a feed dog 55 spaced nearer the turret dogs inoperative if there is no earback in the
than the feed dog 55. This feed dog 55 is carried turret pocket. This control means consists of a
by an arm 56 which-has a slot in its outer end and pin 86 carried by an arm Sl supported by a sleeve
the feed dog 55 is connected thereto through a bolt 88 mounted for oscillation on the shaft S9. 45
and sleeve connection 51 which permits the same There is an arm [email protected] also attached to this sleeve,
to be shifted toward and from the turret or raised and a spring Si bearing on theimder face of the
and lowered. Mounted on the arm 55 is a bolt 58. arm [email protected] normally swings the bell crank so as to
This arm 56 is carried by a bracket 59 which has rnc-ve the pin 85 into the pocket in the turret,
an up and down movement. When the bracket if the pocket is empty. .When however, there is 50
moves downward, the bolt 58 will contact with the an ear back in the pocket of the turret, the-n, the
is limited in its movement by contact with
right-hand end of the lever 5I and lift the feed dog pin
50. This same downward movement of the bracket the ear back. The means for operating the feed
will bring the dog 55 into position where it will stop dogs is controlled by the position of this bell
the forward movement of the ear back 4’. The dog crank carrying the pin 85. Mounted on the head 55
50 is now over the next following ear back, and member 55 is a sleeve» 92 carrying an upstanding
when the bracket is raised, the ear back 4" will arm 55. Said sleeve also carries a horizontal
be released by the upward movement of the dog arm Sill which overlies the arm Sii of the» bell crank ¿
55, and the next ear back will be stopped in its carrying the pin S6. A spring 95 operates to
movement by the dog 5D. It is understood that yieldingly force the arm 55 against the arm 9G. 60
this bracket is of sufficient extent so that the feed
A stop screw 355 limits the- downward movement
ing devices for the two chutes'are simultaneously of the arm SG and this will position Jthe upstand
operated thereby, and this means that there will the
ing column
arm S3 directly
6i is raised
it willthe
arm 93 to
be an ear back released and fed forward by grav
ity into the pocket associatedr with each chute, ` engage the lever 'H and oscillate the same so as 65
and this occurs simultaneously.
to release the ear front. If, however, there is no
The bracket member 59 is attached to a head ear back in the pocket, then the spring Si will
member 55 carried by a column'BI mounted for
vertical movement in a standard 62 carried by the
upper frame. The head member is provided with
an arm 63 carrying a pin 64 sliding in a sleeve
carried by the arm 65 in the standard 62, and this
raise the arm £35 and in so» doing, will raise the
arm 55 and move the upright arm 53 to a posi
tion so that it escapes the feed lever and no ear 70
front is released on the upward movement of
the head member 5G.' This Vdoes not, however,
will prevent the column from angular movement interfere with the operation of the feed which
as it moves up and down. A lever 55 having'a releases the ear backs.
forked end carrying rollers 61 engaging an annu
From the above it will be apparent that a feed 75
ing mechanism has been provided for the ear Fig. l1). The sleeve carries a gear ||`I which
backs and the ear fronts so that the pockets of meshes withv a pinion HS on the shaft 2D. Thus
the turret are provided with the ear backs, and it is that the chuck is rotated from the shaft 20.
when the pocket has an ear back therein, an ear The chuck is moved endwise by a lever I I 9 which
front will be fed on to the same. This assembles is pivotally mounted on the bracket I 25. Said
the parts of the ear ready for the applying of lever carries a yoke end |2| provided with rollers
the coating thereto. The turret is then turned to
bring the assembled parts of the ear to the coating
One of the coating stations is indicated at C
and the other at C’. They are similar
construction, and only one will be described
in detail. The column I2 extending up through
the central part of the machine is stationary and
15 carries the sleeve :il at the upper end thereof.
Said sleeve carries a projecting boss Q8 which sup
engaging an annular groove |22 in a collar |23
carried by a member |24 that can slide vertically.
The shaft §25 which carries the chuck H9 bears
on the collar |23 so that when the collar is raised, 10
the chuck is raised, and when the collar is low
ered, the chuck will be lowered. The lever H9
carries a roller |25 running in a groove in a disk
Ii’ll fixed to the shaft l2.
The flow of the sealing material through the 15
nozzle |55 is controlled by a needle valve |28.
ports the bracket carrying the coating devices. This needle valve is held closed by means of a
spring |29 and is opened by a control lever |30.
This control lever |39 is pivoted at 3| to the
An adjustable stop bolt |32 limits 20
The bracket is indicated at tf. Said bracket is
pivoted to the boss by a pivot pin IQG. The
20 bracket is shown in Fig. 9 in operative position,
and it is held in this position by a bolt ISI pass
ing through openings in the bracket arms and
the downward movement of the lever, but is so
positioned that the spring will close the valve.
through a projecting bracket i'ë‘è carried by the The levers IN! controlling the two nozzles are
The bracket 99 is in the forni of a cross simultaneously operated for opening the valves
25 head H33 carrying two forwardly extending and
downwardly inclining arms íûLl. Attached to
each arm is a coating nozzle IGS. A supply pipe
tdt leads from the nozzle to a mounting in the
arm |134 and a flexible pipe iGl is attached there
30 to for supplying coating to the nozzle.
is, of course, a supply pipe te? for cach coa
- `ozzlc, and these supply pipes extend to the
sleeve Si at the top of the column and are con~
nected extends
to a feeddownwardly
pipe shown in
dotted the
a i
to the base of the machine. The base of the nia
chine has a suitable supply pump for feeding the
coating material to the nozzles. The nozzle 585
is so disposed that it is directly above the pocket
in the ttu'ret when the turret comes to rest at the
coating station.
The table or plate IB is provided with an open
ing IGS in which is located a chuck HE). The
chuck I I0 has a recess in its upper face adapted
45 to conform to the shaping of the backing, and the
turret moves the assembled ear par ts directly over
the chuck, so that the ear back will fall into said
recess. The chuck is rotating continuously and
it is intermittently raised so- as to lift the assem
50 bled parts of the ear from the pocket into contact
with a gravity held centering rod I H. 'This rod
engages the ear front at the opening therein and
through the following mechanism. A shaft |33 25
is mounted in bracket arms i333, 33a carried by
the cross head
Attached to the shaft is an
arm |354 to which a spring |[email protected] is attached, and
this spring normally tends to turn the shaft in a
clockwise direction as viewed in Fig. 9. Also 30
attached to the shaft E33 is an arm |35, which
carries a rod |35. Said rod is threaded into the
arm for adjustment and is held in set positions
by a lock nut i3?. when this rod |35 and the
arm §35 are'raised then the shaft |33 is turned in
a counterclockwise direction as seen in Fig. 10.
The rod §35 bears on the upper end of a rod £35“
which is raised and lowered by mechanism which
will be hereinafter described.
Attached to the shaft |33 is a bracket E38 (see 40
Fig. 9). There is a similar bracket and associ
ated parts for thercontrol lever operating the
farther nozzle. As these parts are all similar it
will only be necessary to describe in detail those
shown in Fig. 9. Said bracket arm |33 is pro
vided with a recess in which is located a control
block |39. A spring |39a located between the
control block and the bracket arm |38 normally
forces the block to the limit of its movement to
the right as viewed in Fig. 9. The block |39
rests on the bracket arm. Extending along each
side of the control block |39 are bars |40, |40.
will serve to center the ear front on the ear back A pin I 4| is fixed to the control block |39 and
and also guide the assembled parts during the extends through slots MIE in the bars I 49, |48.
55 rotating of the parts through the rotating of the
chuck. In other words, this centering rod is free
to rotate and will hold the parts through the
weight thereof, in contact with the chuck so that
` the chuck will rotate the parts. As shown m Fig.
60 9, the ear parts are raised to the dotted line po
sition and rotated, and in this position the nozzle
IE5 is directly ’above the channel in the ear back,
and directly over the outwardly flaring flange of
the ear front. The valve of the coating device is
65 opened, and a jet of coating material is forced
from the nozzle on to the assembled ear parts.
This will form a coating at the peripheral edge
portions of the ear parts all the way around the
The chuck is mounted for rotation in the upper
frame and carries an elongated pinion | I2. This
pinion meshes with a pinion H3 on a stub shaft
H4, and the pinion H3 in turn meshes with a
pinion H5 attached to the sleeve HS which is
mounted for free rotation on the colunm 2 (see
These bars are held mounted to rock in diiîerent
positions and this is the means which limits the
movement of the control bar £39 to the right as
Viewed in Fig. 9. Pivotally attached to the con
trol lever |3§l is an upwardly extending member
Said member extends into a recess in the
control lever and is carried by a pivot pin |52“.
Said member is provided with a shiftable plate
|43 which is secured to the member |42 by suit
able bolts which permit said plate to move end
wise in said member. The bolt H13a is threaded
into the plate |43. This bolt extends through a
laterally projecting extension of the member ill-2.
The bolt is held from endwise movement in said
extension by suitable collars and is provided with
a slabbed head whereby it may be turned for
changing the set position of the plate |43. A
spring Itâ carried by the control lever |38 abuts
against the member |42 or turns the same in a
clockwise direction against a stop M5“,
The rod HI is provided with collars E l l“,
member |42 is provided’with a cam face |421’.
Whileîthe clutch 22 when- separated will stop
When the rod I|| Ais raised the collar engages the operation of the machine, this is not the
this cam face and will shift this upright |42 so as main clutch for the actuation of the machine.
to place the plate |43 over the control block |39. There is a main clutch Vcontrolled by the shaft
Normally this plate |43 is so positioned that the |58 and the hand lever |51. The operator on
control block |39 if raised will not engagethe shifting this hand lever can stop the machine at
plate. When the ear partsvare in position for will. Attached to and moving with the'hand
being coated the chuck lifting the ear parts lifts lever |51 is an arm |59 which overlies a block |6|
the rod l i l and this will throw the plate |43 into attached to the rod |50. This rod is attached at
range of movement of the control block |39 and its upper end to the rock lever |50. The hand
the control block |35 will lift through this mem lever |51 is moved in a counterclockwise direction
ber |42 the control lever |30 and open the valve. in order to open the main clutch and this will
Thus it is that the valves are opened intermit turn the rock lever |50 in_a counterclockwise
tently through the raising and lowering of the direction and pull on the rod |49 and through the
control block |39, but unless these are ear parts parts connected 'thereto will shift the control bar
to be coated the valves will not be opened.
in the manner above described so as to cut off
The control block |39 is raised and lowered the operation of the valve releasing mechanism.
through the oscillations of the shaft
.The When the machine is stopped at the Will of the
rod |35a rests on a lever |62 which is pivotedto operator or in case of a jam, the control lever is’
the frame, The lever carries a roller |53 which at once released and the valves will close. Thisv
cooperates with a cam |64 on the shaft '|2. As avoids stopping the machine with the control
the shaft rotates the lever will bel raised and |84 positioned so as to leave the valves open.
lowered and this will oscillate the shaft |33 lift.
Whenever it is desired to obtain access to the>
ing and lowering the control block |39, thusrais assembled >ear parts at the coating stations, the
ing and lowering lthe control lever |30 which in bracket 99 may be released by withdrawing the
turn will raise the needle valve allowing the coat bolt mi and this will release the bracket so that.
ing material to be discharged on the rotated ear it, with all the parts supported thereby, may beV
parts and after sufficient coating material has raised. The flexible` tubes supplying the coating
been applied to the ear parts then the vcam |54 material to the nozzles permits this lifting of the
will permit theY block to be lowered andthe valve
to close. The springcloses the valveand the- After the assembled ear parts have been sup-Y
control «lever opens the valve.,y
plied with the lcoating material, the chuck is
There are times when it is desirable to stop the lowered so as to again place the ear parts in the
flow of the coating material.r The bars |49 are pockets of the turret andthe turret is turned
connected to a block |46a. The bars are guided through another step movement so as to bring
in their back and forth movement by ja'suitable the ears to the bumping stations Where the flange
guide «bracket’llliìa There is a rod |46 con-`
nected to each'blockv and these rods are in turn
connected to a crossy bar |41 which is pivoted
40 at one-end of a rock lever |48. The rock lever
is pivotally mounted on the sleeve 91. A rod |49V
connects this rock lever |48 to a second Yrock
lever |50 pivcted at |5| YYto a bracket |52 carried
by theframeisee Fig. 14) . A spring |53 attached
45 to the rock lever |50 and to the frame normally
turns said rock lever |50 in a clockwise direction
which will push on the rod |49 and turn the
rock lever |43 so as to pull on the rods |46. This
permits to be moved the pin |4| to the limit of
50 its extent of movement tothe right as viewed in`
Fig. 9. In this position the control block |39 is
moved so that it will be engaged by the plate |43
provided there are ear parts to be coated.
of the ear back is bent so as to looselyclinch the
parts together.
The bumping stations are in
dicated at B and B’. They` are similar in con-v
struction. Mounted on the upper frame I0 is a
bracket |51 carrying at its outer end a sleeve |68 y -
which overhangs the turret. Mounted in thisV
sleeve is a die clinching member |69. Said'die
clinching member has a shank portion |10 extend
ing through the sleeve and abutment collars |1|
and `| 12 are attached to said shank portion for
holding the same in a fixed position in the
bracket. The die clinching member has a recess
|13 in its under face which is provided with a
tapered clinching wall |14. Located centrally of 50
the stem of the die and projecting into the recess
is a stripper rod |15. A spring |16jyieldingly
presses this rod downward. Beneath the table or
In case of a jam the latch lever 35 is moved so plate |8_ is aplunger |11 which is normally sub~
55 as to release the lever arm 39 and the'spring 44 stantially flush with the upper face of the table,
Will then separate the clutch members 22 and and when Vthe turret moves thev ear parts over
stop the machine. The arm 39 moves in a clock
this plunger, theear back will be seated in a
wise direction when this occurs. Carried by the recess in the plunger. VThetwo plungers of theV
arm 39is a plate |55 which bears on a block |56 adjacent> clinching devicesV are carriedby cross
60 attached to a rod |54 which in turn is attached head |18 which is mountedvon a supporting'rod 60
to the rock lever |50. When this arm 39 is |19, andthe rod is- raised and lowered by means
moved inv a clockwise direction for releasing the of a lever |39 which is forked and carries rollers
clutch it will pull down on the rod |54 which running in an annular groove` formedin a collar
will oscillatethe rock lever |50 in a counter
Isl attached tothe rod ne. when the-lever lanci
This movement of the rocky is raised at its free end, the plunger |11 rwill lift- 65
lever |43 pushes on the rods |46 and through the the assembled parts of the ear, bringing the same
65 clockwise direction.
pin |4| will shift the control block |39 to the left intocontact with the stripper rod |15, lifting said
as viewed in Fig. 9. rThe spring |39a >yields'to rod, and carrying the ear front up into Ythe recess
permit this shifting of the control block |39. The |13. The inclined face of the die clinching mem
control block |39 is now positioned so that even
if there are ear partsto be coated and the up
ber will contact with the flange of the ear back
and turn the same over the flared ñange of the
right |42 shifted to the left as viewed in this
figure, still it will not be in range of the control
block |39 and therefore the lever |30 will not be
75 lifted and the valve will not be opened.
together, so that they may be handled as a unit.:
ear front, Vthus clinching the” `two parts loosely
The plungers |11 then drop, placing the ear units
in the pockets of the turret so that they may be
conveyed to the discharge station. The lever |80 ever desired. It cannot be started, however, when
is mounted on a stub shaft |782 carried by a there is a jam in the parts, until the jam has
bracket |83 on the base of the machine (see Fig. been released and the clutch 22 closed.
Having thus fully described my invention, what
13). rl‘he lever carries a roller |84l running in a
Ul cam groove in a disk on the shaft 12.
The turret is then moved through another step
movement and brings the ear parts to the dis
charge station. The cross head |18 beneath the
clinching station extends around underneath the
discharge station. Mounted on the cross head
at- the discharge station is a lifting plunger |85.
There are" two of these plungers which move up
into the pockets of the turret and raise the
clinched together ear parts preparatory' to the
15 discharging of the saine from the machine.
Traveling alongside of the path of movement of
the turret is a conveyor' belt |85. Said conveyor
belt moves along a support |81 having an up
I claim as new and desire to secure by Letters
Patent, is:
1. An ear assembling machine comprising a
conveyor having means for receiving ear parts,
means for feeding an ear back into the receiving
means, means for feeding an ear front onto said
ear back in the receiving means, means for apply
ing a coating to the assembled ear parts in the
receiving means, means for clinching said parts
together, and means for intermittently moving
said conveyor for presenting the receiving means
in succession to the ear back feeding means, ear
front feeding means, coating means, and clinch
ing means.
2. An ear assembling machine comprising a ro
stánding flange |88. This support is carried by a
20.' bracket |89. Mounted on the upper` frame is a tating turrent having pockets for receiving ear 20
liaraclretl ISG which extends above the turret and
parts, means for feeding an ear baci; into a pocket,
carries an> overhanging arm ISI'. In the arm I9! means for feeding an ear front onto the ear baci;
is mounted a Shaft |92> carrying a gear wheel in the pocket, means for coating the assembled
[email protected] meshing ‘with a gear wheel |94 carried by a ear parts in said pocket, means for clinching said
y cross -Shaft mounted'in the bracketl ISBD. This parts together, and means for intermittently ro 25.
cross shaft is driven by a sprocket chain |95. tating said turret for presenting the pocket in suc
Mounted 'on the shaft |92V is a head |95 which cession to the ear back feeding means, the ear
rotates with'the shaft. Said head is provided with front feeding means, the coating means, and
radially eiç'tending recesses in each of which is
30, mounted a radially moving blade holder |37. The
clinching means.
3. An ear assembling machine comprising a ro
blade holder. is spring pressed outwardly away tating turret having pockets at the periphery
from the shaft‘by springs |38. Each blade holder thereof shaped to receive and convey ear parts,
çarries'a flexible wiper- |99. Also mounted on the means for simultaneously feeding ear backs into
bladel holder'is'a'roller- 209. There is a roller two of said pockets, means for feeding simultane
35.. at each end ‘of the made holder. Attached to the ousiy ear fronts onto the ear backs in said respec
bracket |90` isV an arm 2|§|- having a cam-shaped tive pockets, two coating devices spaced from each
face 202 with which‘the rollers 233 alternately other the distance between two pockets, and
(,lOrltactt.- When the shaft |52- is rotated in the means for intermittently rotating said turret
direction of the arrow Yin Fig. |¿2, the wiper will through an angular movement twice the extent of
40 follow the path indicated by the brolçen line. the angular distance between two pockets for
Just before they wiper passes over the pocket in presenting the pockets to the ear back feeding
the turret, it is moved radially inwardly and means, the ear front feeding means, the coating
thence. outwardly so that the end of the wiper devices and the clinching devices.
travels in substantially a straight line across the
4. An ear assembling machine comprising a
upper face of the turret, and this will sweep the rotating turret having pockets at the periphery
¿Sfsembledî ear parts fromv the plungers |85 on to thereof for receiving ear parts, means for feed
theconveyor belt |86. ATlfie‘converyor belt carries ing an ear back into said pocket, means con
the assembled ends intoan oven or other suitable trolled. by the presence of an ear back in a
means Where heat may be. applied to they coating pocket for feeding an ear front onto the ear back
50 for settingl or drying the same.
in the pocket, a coating device, a clinching device,
given` above. The ear backs and the ear fronts
areassembled in the pockets of the turret and are
presented first to the coating devices, thence to
the clinching devices, and ñnally to the discharge
station> where they are removed from the ma
chine." While the machine has been shown as
having two feeding-in stations and two operat
60 ing devices, it will be understood, of course, that
the number'.- of operating devices may be increased
back feeding means, the ear front feeding means,
the-.coating means, and the clinching means.
5. An ear assembling machine comprising a
rotating turret having a pocket at the periphery
thereof ‘for receiving ear parts, means for feeding
an ear back intosaid pocket, means for ¿ceding
It is Ythought that the operation of, the ma and means for intermittently rotating said turret
chlnewill be obvious from the detail description for presenting a pocket in succession to the ear
or decreaSffd, as desired.
an ear front onto said ear back in said pocket, said
last named means including a control finger'
adapted to Contact with an ear back in the pocket
for rendering the ear front feeding means opera
It is obvious that the machine may be readily tive whereby if there is no rear back in the pocket
adjusted to accommodate different size of ear
parts, and that it isY fully automatic andrwill con
no ear front will be released and fed into the
pocket, a clinching device, a coating device for
tinue to operate unless automatically stopped applying, coating to the ear parts, and means for
through a jam of the parts or through the’ac intermittently rotating said turret for presenting
tion of the operator. When the parts are restored the pocket in succession to the ear back feeding
to their normal position, the clutch 22 is auto means, the ear front feeding means, the coating
matically closed throughthe action of the spring device, and the clinching device.
|53: There is, of. course, a main clutch between
6. An ear assembling machine comprising a
the main shaft carying the gear 24 and the main rotating turret having pockets at the periphery
driving means for. the machine, which is inde thereof for receiving ear parts, mechanism for
pendently controlled, and through whichthe ma
chine may be manually, stopped orstarted, When
placing ear backand ear frontin said pockets as
sembled forclinching, a coating device, a clinch
ing device, and means for intermittently rotating
9. An ear assembling machine comprising a
said turret for presenting the pockets in suc rotating turret having pockets at the periphery
cession to the ear back and ear front placing thereof for receiving ear backs and ear fronts in
mechanism, the coating device, and the clinching assembled relation, a clinching device for clinch
ing the parts together, a take-away device in
7. An ear assembling machine comprising a cluding a rotating member above the turret,
rotating turret having pockets at the periphery radial arms carried by said rotating member,
thereof for receiving ear parts, mechanism for yielding means for forcing said arms outwardly,
placing ear backs and ear fronts in said pockets - and a stationary cam operating on said arms and
10 assembled for clinching, a coating device, a clinch~ shaped so as to cause the arm to move in sub 10
ing device, a take-away device, and means fo-r stantially a straight path across the upper face
intermittently rotating said turret for presenting of the turret while ejecting the ear parts from
said pockets in succession to the ear back and the turret.
ear front placing mechanism, the coating device,
l0. An ear assembling machine comprising a
rotating turret having pockets adapted to receive
15 the clinching device, and the take-away device.
8. An ear assembling machine comprising a ear parts in assembled relation, a coating device
coating means, mechanism for assembling ear associated with the valve for coating said ear
backs and ear fronts and presenting the same to parts, a clinching device associated with said
the coating means, said coating means including turret for clinching the ear parts together, a take
a rotating chuck, a nozzle associated therewith, a away device including a rotating member having
valve for controlling the nozzle, a spring for a radial arm, means for yieldingly moving the
closing the valve, a control lever for opening the arm outwardly, a stationary cam contacting with
valve, means controlled by the presence of ear the arm causing the lower end thereof to move
parts to be coated for actuating said control lever, in substantially a straight path vat a uniform dis
means for stopping the machine, and means con tance above the turret for ejecting the ear parts 25
trolled by the stopping means for releasing the therefrom.
valve so as to permit the spring to close the same.
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