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Патент USA US2268096

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Us» 30, 1941-
A. R. vowv KELLER
2,268,096
COIN‘ CONTROL SWITCH MECHANISM
Filed March 15,‘ 1938
3 Sheets-Sheet 1
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ATTORNEY
Dec. 30, 1941.
A. R. VON KELLER
2,268,096
COIN CONTROL SWITCH MECHANISM’
Filed March 15, 19158
3 Sheets-Sheet 2
INVENTOR
BY%&4.JAZKV
ATTOR NEY
Dec. 30, 1941.
‘A R VON KELLER
2,268,096
COIN CONTROL SWITCH MECHANISM
Filed March 15,,1938
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Patented Dec. 30, 1941
2,268,096
UNITED ' STATES PATENT OFFICE
’
2,268,096
com CONTROL swrron MECHANISM
Arthur 1:. Von Keller, Kew Gardens, N. Y.
Application March 15, 1938, Serial at. 195,962
3 Claims.
It has heretofore been proposed to employ time
meters for parked automobiles and it is the object
of this invention to overcome certain defects in
the known devices of this character and to em
ploy a device which will throw into action an
electric light, the illumination of which will be
continued for a predetermined time.
Speci?c objects of the invention will be set
forth in the accompanying specification with ref
erence to the drawings, in which:
'_ _
(01. 194-6) 1
be protected by glass closures, as indicated in V
the drawings.
At a suitable point on the side wall of the cas
ing head is formed a coin slot as indicated at c,
Figure 2. Placed in register with the coin slot
and suitably held within the casing head is a
box-like frame member comprising a top wall
8, side walls ‘8:: and base wall 812:. I prefer that
these walls be made of a non-conducting material
such as a plastic composition.
Top wall 8 will support one or more socket
members 9, to receive one or more electric lamp
bulbs I0. I prefer that two lamps be employed
Figure 1 is a view in elevation of an embodi
ment of the invention.
Figure 2 is an enlarged vertical section through
the head or casing of the device.
and that they be independently connected in the
Figure 3 is a vertical section through the head 15 circuit so that should one lamp burn out, the
or main casing on the line 3-3, Figure 2.
illumination will still be operative. Reference to
Figure 4 shows in elevation the rotor disk, one
the wiring diagram will showv the independent
face thereof being shown at the left and the op
posite face at the right.
»
circuits'through the lamps.
.
Casing head 6 will be formed with a sight win
Figure 5 is a schematic wiring design.
20 dow at d directly opposite a coin-receiving rotor
Figure 6 is an enlarged vertical section through.
ll,_which rotor. is driven by an electric clock
the drive reduction gearing and motor elements. ' mechanism as now to be described.
and
’ The clock mechanism is shown in detail in
Figure 7 is a horizontal section on the line. _ Figures 6 and 7. It is carried within the frame
1-7, Figure 6. .
comprising the horizontal members 8, 8x1: and
.
Referring to the drawings, I have shown at l
a decorative standard which may be. of cast iron
or other suitable material. The design of the
standard may be as desired, and, in the present
embodiment, it is annular in cross-section, grad
certain vertical members including member 8a:
screwed to the posts 12. Within the frame is an
electric motor comprising ?eld plates l2 and a
winding indicated at Hz, the driven rotor being
30 shown at I 4. The rotor shaft is rotatably
ually ?aring toward its base and fluted for orna
mental effect.
mounted in a bearing member I! and a pinion
At 2 is a door adapted to be locked in position
by a suitable lock, as indicated at 3. When re
moved, the door will expose a coin collection box
4 and a funnel-like member 5 which will check
the gravitational descent of’ the coin and control
ing between the timing rotor shaft and the rotor
its drop into the box. '
Y
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At its upper ‘end the standard I may be formed
Hz: is carried by the shaft.
The reduction gear- '
forms no part of this invention and may be of
- any suitable type.
In the present embodiment a
suitable form is shown as follows: Again refer
ring to Figures 6 and 7, an area of the bearing
member I! is cut away to permit the meshing
with pinion “a: of a driven gear wheel I‘! car-1
with a horizontal shoulder interiorly of which 40 ried on a shaft I8. Gear wheel I‘! carries a small
is an abutment sleeve II. This will provide a
pinion ll in mesh with a gear wheel 20 on a
double support for the casing head 8, the latter
shaft which passes through a plate 22:: and which
being formed with a central aperture to be re
shaft carries a small pinion 20:: (Figure '7). The
ceived on the sleeve and with a relatively ‘broad
small pinion 20m drives a gear wheel 22 friction
base to rest on the horizontal end section of .the
ally held on a sleeve shaft 24 which carries coin
standard. These elements may be apertured and
receiving and timing rotor H. The means for
threaded to receive bolts 1 applied from the‘in-.
frictionally connecting pinion 22 and sleeve shaft
terior of the casing head 6. In this manner, the
24 comprises a spring disk 33, best shown in Fig
casing head may be readily removed and applied
ures 6 and 7, being secured to sleeve shaft 24.
to the standard.
It acts to lightly press the pinion 22 against either
The casing head is provided with a removable
an enlarged area of the shaft or some member
cover 6:: formed with two sight apertures, one
fixed thereon.
an aperture at a which will face the sidewalk
When the arrangement of Figure 5 is employed,
and the second a relatively large aperture at b
the said electric drive mechanism for the timing
which will face the street. These apertures will 65 rotor it may be designed to complete a revolu
2
2,268,096
tion of the rotor in any desired time, as, for ex
ample, one-half hour, one hour or two hours.
It may be assumed, in considering the embodi
ment illustrated in Figures 1 to 3 inclusive, that
a complete revolution of the timing rotor H is
e?ected in one hour.
To provide a coin slot, walls 8 and 810:, may
hold between them a relatively thick plate 25 _
which may be of molded plastic material and in
which is cut a coin slot at 6 (Figure 2) which
communicates with the casing coin aperture 0.
‘ This coin slot may extend downwardly and diag
onally with respect to the longitudinal axis of
plate 25, and may then extend in a vertical di
a user is limited to a parking period equivalent
to three coins. It will be seen that when the
third coin is inserted, the lower end of a pawl 30
will be engaged and the pawl swung so that its
outer end, bent toward the base of the coin slot,
will bar the entrance of an additional coin until
a coin is released from the timing rotor and the
overlying two coins drop the distance of one coin.
Should only one or two coins be placed in the coin
slot, the lever will freely swing, its inner end
moving downwardly and thence upwardly upon
the insertion of a third coin.
It will be understood that the embodiment of
the invention shown in the drawings and herein
rection, as shown more particularly in Figure 2. 15 described, may be modi?ed without departing
from the spirit of the invention.
The rotor is so formed as to comprise a contin
Having described my invention, what I claim
uation of the coin slot. To this end, the rotor
and desire to secure by Letters Patent is as fol
is cut away to form opposite coin-guiding walls,
lows:
as shown in Figure 2. The rotor, like coin slot
1. A coin controlled switch mechanism com
plate 25, may be made of non-conducting plas 20
prising a casing, an electrically operable device
tic material and adjacent each coin-guiding slot
carried by the casing, an electric circuit leading
wall there will be projected conducting studs 26,
to said electrically operable device and including
each of which leads to one of a plurality of con
two spaced contacts, a motor in said circuit, the
ductor plates 21, the plates being separated. Two
casing‘being formed with a coin inlet, and a ro
plates are indicated in Figure 2 and four plates
tary timing and circuit closing member driven
are shown in Figure 4. These plates are carried
by the motor and carrying a plurality of spaced
by rotor ll directly upon its rear face and inas
conducting studs and a plurality of spaced con
much as the conducting studs pass through aper
ducting plates, each carrying one of said studs,
tures formed in the rotor, they may have reduced
ends, each of which passes through the aperture 30 the studs being so positioned as 'to receive and
temporarily support a coin passed through said
of an appropriate plate and is headed to hold
inlet, and the plates being so positioned as to
the plate in position, as shown more particularly
be engaged by said two spaced contacts in such
in Figures 6 and '7. Lying in the path of. plates
manner that the circuit is closed by the engage-r
21 are two separated spring switch members 28,
ment of one plate with the contacts or the en
2811:.
,1
gagement of two plates by the contacts and the
When a coin is inserted ,‘into the coin slot c, it
establishment of a circuit from one plate to the
will move downwardly by gravity until it rests
other via two conducting studs and a coin held
upon the conductor studs 26, thereby closing the
thereby, said rotary member being adapted to re
circuit through the normally j‘separated plates 2'!
lease the coin upon predetermined degree of its
as will appear from Figure 2. At such instant
rotation.
the switch elements 28, 281:, will lie at opposite sides
2. A street parking meter for automobiles con
of the gap between adjacent conductor plates 21
structed in accordance with claim 1, in combina
and will be ine?ective in themselves to close the
tion with means for supporting a plurality of
circuit, shown in Figure 2. The closing of the cir
coins inserted into said inlet, said means being
cuit ‘by the coin will cause the motor to rotate
adapted to lead the coins successively into op
the timing rotor H and thereupon the switch
erative relation with the rotary timing and cir
members 28, 281 will be bridged by one of the
cuit closing member.
plates 27 and continue the rotation independ
3. Coin controlled switch mechanism, compris
ently of the circuit-closing action of the coin.
ing a casing, an electrically operable device car
The coin forms part of the circuit itself by b'ridg—
ried by the casing, an electric circuit leading to
ing the conductor studs 26 and thus connecting
said electrically operable device and including two
spaced contacts the circuit being opened between
said contacts, a motor in said circuit, the casing
lead. When the timing rotor II has moved ap
being formed with a coin inlet, speed reduction
proximately 180° from its position shown in Fig
gearing driven by the motor and a timing rotor
ure 2, the coin will be released and will drop
operatively connected to said reduction gearing,
through an aperture in base wall member 83:10
a plurality of spaced conduct-or plates carried by
at f and will be guided by tube 29, ?rst to the
the rotor and adapted to successively engage and
member 5 and thence to the coin-collecting box
“Inasmuch as the spring switch members 28, 60 bridge said contacts and thereby close the cir
cuit leading to said electrically operable device,
28:: will be bridged by one of the plates 21, the
and a plurality of conductor studs carried by
rotation will continue until the rotor moves to
the rotor and each electrically ‘connected to one
the position shown in Figure 2 and the circuit is
of said plates, two of said studs being adapted
broken.‘ In this position, the contact studs 26
to temporarily support a coin between them in
will be ready to receive and initially support the
such manner that the coin and studs electrically
succeeding coin.
connect the plates, the said timing rotor being
The device may be so constructed as to hold
the conductor ?ngers 28, 281:, through the ap
propriate plates 21 to which the conductor studs
any desired number of coins so that a user may
insert one coin for a minimum timing period or
an additional coin or coins to increase the timing
period. In the construction shown in Figure 2,
adapted to release a coin upon a predetermined '
degree of its rotation.
ARTHUR R. VON KELLER.
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