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Патент USA US2258405

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0a. '7, 1941.
2,258,405
A. H. BUCKLEY
ELECTRICALLY CONTROLLED MOTORIZED TYPEWRITER
Filed April 24, 1939
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Oct. 7, 1941.
2,258,405
A. H. BUCKLEY
ELECTRICALLY CONTROLLED MOTORIZED TYPEWRITER
Filed April 24, 1959
5 Sheets-Sheet 2 '
0d. 7, 1941. ‘
A, H, BUCKLEY
I
2,258,405‘
ELECTRICALLY CONTROLLED MOTORIZED TYPEWRITER
Filed April 24, 1939
3 Sheets-Shee't 3
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2,258,405
Patented oer. 7,1941
UNITED_ STATES PATENT OFFICE
_ 2,258,405
ELECTRICALLY CONTROLLED MOTORIZED
TYPEWRITER
‘Arthur H. Buckley, Chicago, Ill.
Application April 24, 1939, Serial No. 269,658
_
3 Claims. ‘ (01.197-20)
roll 23 for compactness.
The invention relates to automatic motorized
typewriters.
One object of the invention is to provide im
proved electrically Icontrolled mechanism for a
motorized typewriter in which a relatively nar
erative strokes to the type-bars from a driving ‘
rollin motorized typewriters. The mechanism
for driving roll 23 ‘and the construction of the
‘ row tape or record is provided with successive
devices d are described in detail in an application
rows of perforations which, through vertically
operated switches, are adapted to control the
?led by me February 23, 1939, Serial No. 257,775,
‘now Patent No. 2,247,275, issued June 24, 1941, to
operation of a full set of key-bars and other
. actions, such as the case-shift, spacers and car
These devices d are
alike in construction and may be of any suitable
construction known in the art for imparting op
10 which reference may be had for the details there
of. Roll 23 extends laterally across the machine,
to drive the entire set of devices (1 and is suitably
journaled in the frame a.
riage-return, to perform their functions by power
from a continuously rotating element such as a
driving roll, which is driven by an electric motor.
Key-levers b are fulcrumed on a rod 30 which
For example, in the attainment of this object, the
tape or record is provided with perforations on 15 is supported in a member a’! of the frame a. '
Each key-lever is held normally raised by a spring ‘
eight longitudinal lines and the perforations are
permutably arranged transversely to selectively
45 and is provided with a leg b4 having a slot ,
43 for a stud 39~on the upper end of the con
and permutably control switches for a set of elec
troller-dog 31 for one of the shifting devices d.
tromagnetically controlled switches which, when >
permutably operated, will control a full set of 20 Depression of the key-levers controls, through
magnets which control the power-operated de
vices for selectively shifting. the type-bars and
dogs 31, the individual operation ofthe devices d. ' '
other actions. This makes it possible to indi
vidually control the operation of a full set of type
rod b2 which is supported in a shiftable frame
law for upper and lower case printing, as well
All of the type-bars b1 are fulcrumed on a
bars and other actions from a narrow record 25 understood in the art. Each type-bar is operable,
' by an angular lever 33 of one of the shifting de
with not more than eight rows of perforations.
vices ‘d by a connection comprising a toggle-lever
Another object of the invention is to provide
28, the front member of which is pivoted at 28a
simple and e?icient automatic electrical control
in ‘frame am and the rear member of which is
mechanism for a motorized typewriter, which is
adapted for high speed operation.
30 pivoted to the type-bar; a link 3| pivoted to the
‘rear member of toggle 28; a bell-crank lever 29
Other objects of the invention will appear from
which is fulcrumed on rod 30 concentrically with
the detailed description.
key-levers b and has one of its arms connected
The invention consists in the several novel
to link 3|; and. a link 32 between another arm
features which are hereinafter set forth and are
more particularly de?ned by claims at the con 35 of lever 29 and the arm 33a of one of levers 33.
clusion hereof.
A spring 44 is applied to each toggle for retract
ing the type-bar connected thereto. A spring
458- is applied to levers 29 for retracting said
‘
In the drawings: Fig. 1 is a side elevation, parts
being broken away, of a typewriter embodying
the invention. Fig. 2 is a detail of one of the
levers, links 32 and the levers 33.
power-operable shifting devices for the type-bars 40
and other actions. Fig. 3 is a plan of a portion
of the key-bar of the typewriter. Fig. 4 is a sec
,
Each shifting device 3 comprises one of the
levers 33 which is fulcrumed on a rod 34 which ‘
' is supported in a member of frame a and com- '
prises a horizontally extending arm 338 which is
connected to a link 32 and a vertically extending
of a portion of the tape which is perforated in
accordance with the invention. Fig. 6 is audia 45 arm ‘33b.’ A rotatable element 35 with‘ peripheral
cam-faces 36 is supported in the lower .end of
gram of the electrical connections.
each lever-arm 33b. Cam-faces 36 are normally
The invention is exempli?ed as applied to a
tion through the tracker-bar. Fig. 5 is a plan
motorized typewriting machine, which comprises
a frame a; a full set of key-levers b for the usual
. disengaged from roll 23. Upon a slight rotation
of element 35 on its own axis in arm 33'’, one of
number of type-bars b1 and associated actions, 60 its cam-faces 36 will engage roll 23 so the element
will be rotated a cycle of one-half revolution
such as a spacer-bar, shift-lock, tabulator, back
spacer, case-shift, and carriage-return; a paper
carriage c of usual construction; a driving roll
23 which is driven by an electric motor, as well
understood in the art; and a series of devices d,
each adapted to be coupled to and uncoupled
from roll 23, and to shift, by power, a connec
tion for operating one of the type-bars b1 or one
of the aSSQfJtLQCi actions. Devices d are alter
‘wtelrarra
to rock lever 33 on its fulcrum 34 to shift its
arm 33a for the operation, by power, of a type
bar or other device connected to said lever and
at the end of said cycle element 35 will be auto
matically disengaged from the roll 23. .A lever
or dog 31~is pivoted in each lever 33 and engages
stop-lugs 36a at the end of each cycle to auto
matically stop the rotation of element 35 at the
atthe front and in the tear of 60 end of each cycle These devices If exemplify.
a
'
'2'
"
-
-
2,Q68,405
in the record or tape 1‘. The permutative arrange
power-operable vdevices engageable with the
ment of the perforations in the tape for operat
. drive-roll 23 for imparting strokes to the type
barsa'nd associated actions, which are controlled
by the key-levers b.. When a-lever b is depressed,
, ing a full set of 43 key-levers of the typewriter
its legb'irwill shift the"v dog 31 to release rotatable
5 . For the'purposelof illustration the tape shown
is exempli?ed in _Fig, 5.
I
.
is perforated for controlling the key-levers suc
cessively from left‘to right, it being understood.
element 35 so it will be driven a cycle of approxi
mately one-half arevolutionvby the engagement
of one of the cams 36 with vtheroll.
I
_ that in practice the tape will be perforated in
The lever
code to reproduceany record desired. The oper
33 will, during this cycle, shift ‘link 39 and the
lever 29 connected thereto, to impart an oper- 10 ations' of the key-leversv by the tape shown in
'Fig. 5, ‘commencing at the left, will be as fol
ative stroke to a type-bar or other action. The.
automatic controlling mechanism for shifting the
lows:
,
When a set of transversely aligned perfora
devices at for initiating a- power stroke, comprises
tions f1, f2, f3 traverse the tracker-bar, three cir
tape ,1’ by a suitable tape feed mechanism which 15 cuits will be‘ closed at contacts s1, t1; s2, t2; s3, 123;
respectively, to establish circuits which‘ will en
. comprisesa feed-sprocket k1, asupply-spool k2
ergize magnets r1, r2, 13 and close switches h1
for the tape, and a take-up spool k3 for the tape.
to h", inclusive,'whereupon current will pass from
The body of the tracker-bar is formed of_'insu-~'
lating material and has embedded therein a series ‘ battery :1: through switches lhl‘, ha, magnet m for
of' eight contacts t1, t2, t3, t4, t5, t6, t7, t“, which 20 the’ ?rst key (usually the shift-lock key) and
» a tracker-bar t over which is fed a perforated >
switch 71.7 to battery 2: and said key will be de- \
are insulated from one another and extend to
the ‘face of the tracker-barover which the tape
1‘ is drawn. A conductor-plate s is provided with
pressed by said magnet m to render operative
the device d connected to said key.
When a set of transversely aligned perfora
eight contact-strips s1, s2, s3, s4? s5, s“, s", and s8
‘ for engaging, respectively, through the perforae 25 tions 1“, F, f4 traverse the tracker-bar, three cir
cuits will be closed at contacts s1, 1?; s2, t2; s4, t4;
tions in the tape, the contacts in the tracker-bar,
_ respectively, which will energize magnets 11, Yr’‘, 1'‘,
' respectively. Contact-plate s is electrically con
nected to a battery 11:.’ The contacts t1, t2, t3, t4,
and close switches‘hl, h’, ha, ha, k9, h1°,'h11 and
11,12, whereupon current will pass through switches
t5, is, t’1 and ta are respectively connected by con-_‘
ductors, 50 to the helices of relay magnets r1, 1-2, 30 hi, n3,‘ magnet m vfor'the next key (usually the
shift-key) and switch n12 to battery :1: and said
1'3, 1"‘, r5, 16, r’! and 1'“, respectively, each of which
comprises an armature and a switch controlled ' key will be depressed by~said magnet to render
thereby.
, operative the shifting-device d connected to said
'
vA series of solenoid magnets m is provided, one
-
key.
_
’
magnets are respectively ‘connected by links m1‘
f1, F, f5 traverse the trac er-bar, three circuits
' to said levers, so that when ‘one of said magnets. -
ls energized'it will depress'the lever I) connected
will be closed at contacts s1, t1; s“, t”; s5, is;
respectively, to establish circuits‘which will en;
thereto and shift its leg 1)‘ to couple the ‘asso
érgize magnets r1, r2, 1'5, and ‘close switches h1, h2,
h1i,-h13 to \h", inclusive, whereupon current will
' ciated shifting device 01 into engagement with‘40
the driving roll 23.
~
When a set of transversely aligned perforations
for each key-lever b, and the 'armatures of said 35
-
The tape or record comprises perforations I1,’
I”. f3.‘ f4, 15, 16,41", 1'3 arranged along longitudinal
‘ lines with three perforations transversely aligned
" for each operation. The perforations on each 45
pass from battery :1: through switches h1,h3, mag
net m for the vnext key (usually the tabulator
key) and switch h“ to battery .1: and said key
_will be‘depressed by said magnet to render oper»
ative the shifting-device :1 controlled by said key‘.
When a set of transversely aligned perfora
transverse line are differentially arranged for
permutative control of the contacts t1, t2,‘ t3, t4,
t5, t“, t", t8 so that, though the permutative opera
tions 11, I’, f6 traverse the trackenbar, three cir
'cuits will be closed at contacts s1, t1; s’, t’; s“, t“;
, tion of magnets r1, r2, 14,74, 15, 1°, 1'', r“, the en- I respectively, to establish three circuits which will
tire series of forty-nine magnets m will be con- 50 energize magnets r1, 1'”, r8 and close switches
trolled for'individual operation of the key-levers
hl, h”, ha, hm, hm, hm, h“, h”, whereupon current
b. The armature of magnet r1 is adapted to oper- ' will pass from battery :1: throughrswitches h1, h3,
magnet m for-the next key (usually for spacing)‘
The armature ‘of mag
and switch it22 to battery :1: and said key will be
net r’ is adapted to close "a pair of switches h“,
h-'*.‘ The armature of magnet r3 is adapted to 55 depressed by said magnet to render operative the
device at controlled by said key. I
'
close a-set of four-lswitches h", M, 'h“, and h".
When a set .of transversely aligned perfora
The armature of magnet r4 is adapted to close a
_ i ate a, single switch hl.
tions f1,. f’, f' traverse the tracker-bar, three
‘set of ?ve switches hi‘, h”, h“, n11 and h“. The
armature of magnet r5 is adaptedto close a set of'ca. circuits ‘will be closed at contacts s1, t1; s”, t”;
?ve switches 71.13,‘ 72.14, h“, h16 and hl'l. The arma- 60 s", t"; respectively, to establish ‘three circuits
which will energize magnets r1, 12, r7 and close
ture of magnet r6 is adapted to close a set of live
switches hhJhz, m, h”, 1134, whereupon current
switches 71.18,? h",- n2", h21 and h”. The armature
of magnet r" is adapted to close two switches h23
will pass from battery so through switches n1, .hF‘,
' and hi4.’ The armature of magnet r8 is adapted
to close a single switch h”. '1
.
65
The relay-magnets r1 ‘to r”, inclusive, and their
’ associated switches are disposed at the front ”
. of the keyboard, as illustrated in Fig. 1.
The
magnet in for the next key (usually for printing
“Q”) and switch h24-to battery :2: and said key
will be depressed by said magnet to render oper
' ative the shifting device dcontrolled-vby said key‘
for an operative stroke.
,
When aset of transversely aligned perfora
contacts of switches h1 to h25 ‘inclusive, .are 'con
hected to battery 1:, and to the magnets m, as 70 tions)“, 12, f8, traverse the tracker-bar, three cir
cuits will be closed‘at contacts s1, t1; s’, t”; sB,-t‘8; ~
diagrammatically illustrated in Fig. 6, so that by
'» ‘the permutable actuation of the magnets r1'to ' :respectively, which will energize magnets r1, 1"’, r”, t
and close switches h1, h2 and W; whereupon-‘cur
14?, inclusive, each of‘ the key-levers b will be in
rent will pass through'switches v1L1, hi‘, magnet.
dividually controlled-‘according to the permuta
tions of three of the eight series of perforations 7’ ' m for the next key (usually the key for printing
3
‘*A") and switch 7125 to battery :0 and said key will
be depressed by said magnet to render operative
ha, ha, hm’ n11, n12, hi8’ h19, hzo, hm and n22, where
shifting-device d for said key.
J
_ When a‘ set of transversely aligned perforations
upon current will pass from battery :c through
switches hl, n9, magnet m for the next key
(usually for printing “E”) and switch h" to bat
f1, f3, 14 traverse the tracker-bar, three circuits
will be closed at contacts ‘s1, t1; s3, t3; $4, it‘; re
tery x and said key will be depressed by said '
magnet to render operative the device d con
spectively, which will energize magnets r1, ‘r3, 1''‘
and close switches h1, h4, M; 71.6, h'’, ha, 729, hm, hm
and it”. whereupon current will pass through
trolled by said key.
-
When a set of transversely aligned perfora
tions f1, f‘, f‘ traverse the tracker-bar, three cir
switches h1, h5, magnet m for the next key ‘(usu 10 cuits will be closed atvcontacts) s1, t1; s‘, t‘; s", t";
ally the‘ key for printing “2”) and switch h" to
respectively, to establish three circuits which will"
battery :1: and said key will be depressed by said
energize magnets r1, r4, 1'7 and close switches hl,
magnet to render operative shifting-device d for
hay, h9, hm, hi1, n12, 11.”, 71.23, whereupon current
said key.
'
'
will pass from battery :0 through switches h1, h5,
‘ When a set of transversely aligned perfora 15 magnet m for the next key‘ (usually for printing
tions 11, f’, f5 traverse the tracker-bar, three cir- .
“D”) ' and switch n24 to battery :1: and said key
cuits will be closed at contacts 31, t1; s3- t3; s5, t5;
respectively, which will energize magnetsrl, r3,
1'5 and *close switches h1, h4, h5, h6, h", h“, h", 1115,
h16 and h", whereupon current will pass through
will be depressed by said magnet to render op
erative the device d controlled by said key.
When a set of transversely aligned perfora
tions f1, I4, I“ traverse the tracker-bar, three cir
switches 71.1, 125, magnet m‘ for depressing the
next key (usually the key for printing “Z”) and
respectively, to establish three circuits which will
cuits will be closed at contacts s1, t1; s4, t4; .9“, t8;
energize magnets r1, r4, 18 and close switches hl,
h", 71.9, 721°, hm; h”, h”, whereupon current will
switch h17 to battery :0 and said key will be de
pressed by said magnet to render operative shift
ing device at for said key.
pass from battery :1: through switches 71.1, ms,
' When a set of transversely aligned perfora
magnet m. for the next key (usually for printing '
“4”) and switchh25 to battery .1: and said key
tions f1, P, f6 traverse the tracker-bar, three cir
‘will be depressed by said magnet to render oper
cuits will be closed at contacts s‘, 251; $3, t3; s6, is;
respectively, which will energize magnets r1, r3,_
ative the shifting device d controlled by- said key.
.
16 and close switches h1, h4, h5, he, hl, hm, hm,’ 30 for an operative stroke.
When a set of transversely aligned perfora
v'hzo, n21 and h”, whereupon current will pass
through switches h1, h5, magnet m for the next
tions f1, I5, I6 traverse the tracker-bar, three cir
key (usually the key “W”) and switch 71.22 to
cuits will be closed at contacts s1, t1; s5, is; s6, t6; ,
‘ battery I and said key will be depressed by said
respectively, to establish three circuits which will
magnet to render operative shifting-device (1
energize magnets r1, r5, 16 and close switches hl,
connected to said key.
n13’ n14’ n15, n16, hl'l, n18, H19’ 7120’ n21’ h22’ Where_
When a set» of transversely aligned perfora-v
upon current ‘will pass from battery :0 through _
switches hl, n3, magnet m, for the next key (usu
tions f1, P, f7 traverse the tracker-bar, three cir
ally for printing “C”) and switch 71.22 to battery
cuits will be closed at contacts s1, 1“; s3, 19; s", t";
respectively, to establish three circuits which will 40 2: and said key will be depressed by said magnet
to render ope ative the shiftingdevice d con
energize magnets r1, r3, ‘r7 and close swiches h1,
- trolled by s'ai key.
h4, h5, h6, h", h”, n24 whereupon current will
When a set of transversely aligned perforations
pass from battery a: through switches h1, h6,
magnet m for the next key (usually for printing
f1, I5, I7 traverse the tracker-ban‘thre‘e circuits
“‘S”) and switch h“. to battery :1: and said key 45 will be’ closed at contacts s1, t1; s5, t5; s", t"; re- I
will be depressed by said magnet to render op
spectively, to establish circuits which will ener
.erative the shifting-device d controlled by said
gize magnets r1, r5, 1'7 and close switches h1,'h13,
key.
h14,_h15, hm, hl'l, n23 to it”, inclusive, whereupon"
'
'
When a set of transversely aligned perforations
‘f1, f3, f8 traverse the tracker-bar, 'three circuits
will be closed at contacts s1, t1; s3, t3; 88, t8; re
spectively, to establish three circuits which will
50
current will pass from battery :1: through switches
hl, n13, magnet m for the next key (usually for
printing “R”) and switch n24 to battery 1: and
said key will be depressed by said magnet to ren
der operative the shifting device d controlled by
energize magnets r1, r3, rsand close switches h1,
said key.
‘
a
n4, h5, h6, h", 1125, whereupon current will pass
from battery 1: through switches h1, h6, magnet 55 When a set of transversely aligned perfora
tions 12, f4‘, 15 traverse thev tracker-bar‘ three '
‘m for the next key (usually for printing “3”)
and switch 1225 to battery 2: and said key will be
“depressed by said magnet to render operative the
circuits will be closed at contacts .91, t; 55, t5; s8, ‘ '
t8; respectively to establish circuits which-will en
ergize magnets r1, r5, 18 and close switches n1, n13, '
device (1 controlled by said key.
When ‘a set‘ of transversely aligned perfora 60 h“, 1115, hm, h", h”, whereupon current will pass'
from battery at through switches hl, 71.13, magnet
tions f1, f‘, f5 traverse the tracker-bar, three cir
m for ‘the next key (usually for printing “F”)
cuits will be closed at contacts s1, t1; .9‘, t"; 85, t5;
respectively, to establish three circuits which‘will
and switch h25 to battery :2: and said key will be
energize magnets r1, r4, 15 and close switches hl,
depressed by said magnet to render operative ,
‘h’, 71.”, h“, h“, 7213, 71.14, 72.15, h“, h", whereupon 65 the shifting device d controlled by said key.
current will pass from battery :1: through switches,
. When a_ set of transversely aligned perfora
, hi, h", magnet m for the next-key (usually for
tions f1, 16, f7 traverse the tracker-bar three cir
printing'fix”) and switch hg'to battery ‘:1: and
cuits will ‘be closed at contacts s1, t1; 8“, is; s”, t";
said key will be depressed by said magnet to ren
respectively‘ to establishthree circuits which will
der operative the device it controlled by said key. 70 energize magnets r1, r6, 1'" and close switches hl,
When a set of transversely aligned perfora
hm, n19, hzo, 71.21, h”, I125, whereuponcurrent will
tio'ns f1, I4, I6 traverse the tracker-bar, three cir
pass from battery :1: through switches hl, n18,
cuits will be closed at contacts s1, t1; st, t‘; s6, is;
magnet m which is connected to the next key
respectively, to establish three circuits which will
(usually for printing “5”) and switch n24 to bat
energize magnets r1, r*, r6 and close switches hl,
tery a: and said key will be depressed by said mag
4 .
2,268,405 "
tions‘ 12,14, 15 traverse the tracker-bar. three
net: to'rend'er cperative the shifting device a
rc'ircuits will be closed at’co‘ntacts s3, #2; s‘, t‘; '35,
controlled?by said key. ‘
>When a set of transversely-aligned perfora
tions f1, f“, f8 traverse the tracker-bar, three cir
cuits will be closed at contacts 81, t1; s“, tit-s8,v
t8; respectively, to establish three circuits which
‘ t5; respectively, to establish three circuits which
will energize magnets r2, r‘, r5 and close switches
h’, ha, h“ to‘ h", inclusive, whereupon .cu-rrent '
will pass from battery :2 through switches h”,
hm, magnet m-which is connected to the next
‘ , will energize magnets r1, r6, 18 and close switches
key (usually for printing “7”) and switch‘ 1;" to
hlLh", it", h”, 'h’“, It“, h“, whereupon current
will pass from battery's through switches M, h",
battery :1: and said‘key. will be depressed by said
tery' :r'and said key will be depressed by said mag-.
net to render operative the shifting device it con’
tionsj’, f‘, f6 traverse the tracker-bar, three
magnet m which is connected to the next key 10 magnet to render operative the shifting device
at controlled by said key.
(usually for printing “V") and switch n25 tobat
trolled by said key.
'
When a set of transversely aligned perfora
circuits will be closed at contacts 8*, t2; s4, t4; s",
-
When a set of transversely aligned perforat
t"; respectively, to establish ‘three circuits which
,tions\f2, f“, f4 traverse the tracker-bar, three cir
cuits ‘will be closed at contacts s*, t2; .9“, 133;, 84,
will energize magnets r’, r‘, r8 and close switches
h”, 72.3, it? to hm, inclusive, and hmto h", inclu
sive, whereupon current will pass from battery
1: through switches h’, It”, magnet m'which is
will energize magnets r2, r3, r4 and close switches‘
eh“, 71.3, h‘ to h", inclusive, whereupon current 20 connected to the next key (usually for printing
“N”) and switch h22 to‘battery a: and said key
will pass from battery as through switches ha,
‘t4; respectively, to establish three circuits which I
will be depressed by said magnet to render oper
ative the shifting device d controlled by said key.
When a set of transversely aligned perforations
72.“, magnet m which is connected to the next key
(usually for printing “T»") and switch h)” to
battery :1: and said key will be depressed by said
25
‘f’, 14, fl‘ traverse the .trackerébar, three circuits
will be closed at contacts sit’; 84, t4; .9", t"; re
When a ‘set of transversely aligned perfora-t
tions f‘, f“, f5 traverse the tracker-bar three cir
cuits ‘will be closed at contacts s’, t“; ‘s3, t3; s5, '
t5; respectively, to establish three circuits which '30
will energize magnets r", 1'36 1'5 and close switches
h? to h", inclusive, h13 to h", inclusive, where
spectively, to establish three circuits which will
energize magnets 1”, r4, 1'7 and close switches
magnet to rendertoperative the shifting device
11 controlled by said key.
'
upon current will pass from battery .1: through‘
switches h’, h“, magnet m which is connected to
11’, n3, h8 to h“, inclusive, h?“ to h”, inclusive,
whereupon current will bass from battery 1:
through switches ha, hm, magnet m which is con
nected to the next‘key (usually for printing. “U")
and switch h” to battery rand said key will be i
depressed by said magnet towrender operative the
,
the next key (usually for printing “G”) and 35 shifting device‘ d controlled by said key.
When a set of transversely aligned perforations
switch hlfl to battery a: and said key will be de- ',
pressed by said magnet to render operative the
I3, I‘, f8 traverse the tracker-bar, three circuits
will be closed at contacts s2,- t=;' s4, t4;'s8, t8; re- '
shifting device at controlled by said key. _
When a set elf-transversely aligned perfora
> .‘tions 1'’, I3, ‘I6 traverse the tracker-bar, three
circuits will be closed at contacts s”, t”; s3, t3: s‘,
t‘; respectively, to establish three circuits which
will energize magnets r2, r3, 1° and close switches
spectivelyf to establish .three circuits which will
40
will pass from battery :1: through switches h’, 71.1",
- magnet ,m which is connected to the next key
h’ to h", inclusive, h18 to h”, inclusive, whereupon '
current will pass from battery :1: through switches 45
h“, h", magnet m which is connected to the next
key (usually for printing “6”) and switch It22 to
battery a: and said key will be depressed by said
magnet, to render operative the shifting device ‘
(1 controlled by said key.
‘
I
Whena set of transversely aligned perfora
tions f2. {3, f7 traverse the tracker-bar, three
circuits will be closed at contacts s’, t’; s3, t’; 81',
t"; respectively, to establish three circuits which‘
will energize mag'nets 14,13, r" and close switches
hF, h3, h4, h‘, h“, h", h”, h“, whereupon current
I
Whena set of transversely aligned perfora
.
_When a set of transversely aligned perfora
. energize magnets r2, r5, 1'? and close switches
65
respectively, to establish three circuits which will
energize magnets r’, r3, 18 and close switches h’, '
ha, h4 to h", inclusive, and i125, whereupon ‘cur- '
rent will pass from batteryw through switches
h'-', h‘, magnet'm which is connected to the next .70
device d controlled by said key.
.
respectively, to establish three circuits which will
' When a set of transversely aligned perfora
to battery :0 and said‘ key will be‘ depressed by
said magnet ‘to render operative the‘ shifting
7
‘When a set of transversely aligned perfora
tions f’, 15,‘ f6 traverse the tracker-bar, three cir
tions P, 15, j” traverse the' tracker-bar, three
circuits will be closed at contacts s2, t2; s5,,t5; s", t";
"
key (usually for printing “H”.) and switchih"
d controlled by salad. key.
by said key.
magnet to render operative the shifting device
tions 1”“, f3, fltraverse thetracker-bar, three cir
cuits will be closed at contacts .9’, t’; s3, t3; .9‘, t3;
magnet to render operative the shifting device
for- printing “8”) a‘nd‘swit'ch h“ to battery a:
and said key will be depressed ‘by said magnet to
‘render operative the shifting‘ device :1? controlled
> battery :c and said key will be depressed by said 60
»
(usually for printing “.I”) and switch 71.25 to
battery 1: and said key will be depressed by said
cuits will be closed at contacts s2, t’; s‘, t5; s”, t“;
respectivelm'to establish three circuits .which will
energize magnets 1", r5, 1'‘, and close switches
12", as, h”, h“, h" whereupon current’ will pass
from battery :2 through switches h’, h“, a magnet
55 m which is connected to the ‘next key (usually
will pass from battery‘ :2: through switches h’, h",
magnet m which is connected to the next key
(usually for printingr “B”) and switch ha to
d controlled by. said key.
energize magnets. r2, r4, 1'8 and close switches
1 h’, k3, h8 to h“, inclusive, whereupon current
h’, h-‘*,; h13 to h", inclusive, h”, and h“, where
upon current will pass, from battery ‘:1: through
switches-h’, hlf; magnet m which is connected
to the next key (usually for printing “ll/i”) and
switch It“ to battery :1: and said key ,will be de
pressed by said magnet to render operative the
shifting device‘ (1 controlled by said key.
When a set' of transversely aligned perfora
tions f2, f‘, j" traverse the tracker-bar, three cir
cuits will be closed at contacts s", t"; s‘, t‘; s',;t.';
respectively, to establish three circuits which will I
2,258,405
energize magnets r”, r‘, r", and close switches
h", h‘, h13 to h", inclusive, and has, whereupon
current will pass from battery :1: through switches
h“, h“, magnet m which‘ is connected to the next
key (usually for printing “I”) and switch h25
to battery 2: and said key will be depressed by
said magnet to render operative the shifting
‘device d controlled by said key.
5
key (usually for printing zero) and switch 1125
to battery :1: and said key will be depressed by
said magnet to render operative the shifting de
vice d controlled- by said key.
I
When a set of transversely aligned perfora
tions f3, 15, f6 traverse the tracker-bar, three cir
cuits will be closed at contacts s3, t3; s5, t5; 5“, t6;
respectively, to establish three circuits which will
energize magnets 1'3, 135, 1'6, and close switches
When a set of transversely aligned perfora
tions f", 76, f’ traverse the tracker-bar, three cir 10 71.4 to h", inclusive, and h13 to h", inclusive, where
upon the current will pass from battery a through
cuits will-be'closed‘ at contacts .9”, t2; s“, t“; s", t'’;
switches 714, 71.16, magnet m which is connected ,
respectively, to establish circuits which will en
to the next key (usually for printing a period)
ergize magnets r2, r6, 1''’ and close switches hz, m,
and switch it22 to battery :1; and said key will be
h23 to n25, inclusive, whereupon current will pass
depressed by said magnet to render operative the from battery m through switches 71.2, h”, magnet
shifting device d controlled by said key.
m for the next key (usually for printing -“K”)
When a set of transversely aligned perfora
and switch 21.24 to'battery :c and said key will be
depressed by said ‘magnet to render operative
tions f3, is, f' traverse the tracker-bar, three cir- cuits will be closed at contacts s3, t3; s5, t5; s", t";
the shifting device d controlled by said key.
When a set of transversely aligned perfora 20 respectively, to establish three circuits which will
energize magnets r3, r5, r", and close switches h*
tions f3, f'*, f8 traverse the tracker-bar, three cir
-cuits will be closed at contacts s2, t2; s6, is; s‘’, t“;
to h", inclusive, h13 to h", inclusive, n23, and h“,
respectively, to establish three circuits which will
whereupon the current will pass from battery :1:
through‘switches k4, hm, magnet m which is con
energize magnets r2, r6, T8, and close switches
h2, 713, h18 to h”, inclusive, and 71.25, whereupon 25 nected to the next key (usually for printing “P”]_
current ,will pass frombattery a: through switches
and switch it24 to battery :1: and said key will be.
depressed by said magnet to render operative the
hz, n19, magnet m which is connected to the next
shifting device (1 controlled by said key.
key (usually for printing “9”) and switch h25
When a set of transversely aligned perfora
to battery as and said key will be depressed by
said magnet to render operativethe shifting de- 30 tions f3, f5, f8 traverse the tracker-bar, three cir
vice d controlled bysaid key.
cuits will be closed at contacts s3, t3; s5, t5; s8, ta;
When a set of transversely aligned perfora
respectively, to establish three circuits which
will energize magnets 13, T5, 1'7 and close switches
tions f3,‘f4, f5 traverse the tracker-bar, three cir
cuits will be closed at contacts s3, is; s4, 15*; s5, t5;
h4 to M, inclusive, h13 to 71.", inclusive, and h”,
respectively, to establish three circuits which will 35 whereupon current will pass from ‘battery in
_ energize magnets r3, 1*, 1-5 and close switches h4
through switches h‘, 7115, magnet m which is con
to h1",‘in'clusive, whereupon current will pass , nected to the next key (usually for printing a
from battery :1; through switches 714, h“, magnet
semicolon) and switch it” to battery 37 and said
m which is connected to the next key (usually
key will bedepressedby said magnet to render
for printing a comma) and switch h" to battery 40 operative the shifting device it controlled by said
.1: and said key‘ will be depressed by said magnet
key for an operative stroke.
to render operative the shifting device (1 con
When a set of transversely aligned perforae
trolled by said key.
‘
tions f3, f6, 1"’ traverse the tracker-bar, three cir
When a set of transversely aligned perfora
cuits will be closed at contacts 83, 8t; 8", ‘is;
tions f3, f4, 16 traverse the tracker-bar, three 45 s", t'{; respectively, to establish three circuits
circuits will be closed at contacts s3, t3; s4, t4;
which will energize magnets 1'3, r“, r7 and close »
s6, is; respectively, to establish three circuits
switches 714 to h'’, inclusive, 7:.18 to h“, inclusive,
which will energize magnets r3, r4, T6, and close
whereupon
through
switches
current
h‘, h”,
willmagnet
pass from
m which
battery
is con
switches 71/1 to h12, inclusive, and h18 to h”, inclu
sive, whereupon the current will pass from bat 50 nected to the next key (usually for printing a
tery a: through switches M, 71.11, magnet m which '
hyphen) and switch h“ to battery .7: and said
is connected to the next key (usually for print
key will be depressed by saidmagnet to render
ing "0”) and switch it22 to battery 9: and said key
operative the shifting device dcontrolled by said
key.
,
will be depressed by said magnet to render opera
tive the shifting device (1 controlled by said key. 55
When a set of transversely aligned perfora-v
, When a set of transversely aligned perfora
tions F, f'‘, Ill-traverse the tracker-bar, three cir
tions f3, f“, f‘ traverse the tracker-bar, three cir—
cuits will be closed at contacts s3, t3; .9“, t6; s8, t8;
cuits will be closed at contacts s3, t3; s4, t4; s", t";
respectively, to establish three circuits which will
respectively, to establish ‘three circuits which will
energize magnets r3, r“, f8 and close switches n4
energize magnets r3, r4, 1'7 and close switches k4 60 to h", inclusive, h18 to h”, inclusive, n25, where
upon'current will pass from battery x through
to. it”, inclusive, h.23 and h“, whereupon the cur
rent will pass from battery a: through switches
switches 71.4, ms, magnet m which is connected
h4,_h11, magnet m which is connected to the next
to the next key (usually for printing “/”> and
key (usually for ‘printing “L”) and switch h24
switch 71.25 to battery :0 and said key will be de
to battery :1: and said key will bedepressed by said 65 pressed-by‘ said magnet to render operative the
magnet to render operative the shifting device
shifting device d controlled by said key.
When a set of transversely aligned perfora
d controlled by said key.
When a set of transversely aligned perfora
tions f3, 1”’, f8 traverse the tracker-bar, three cir
tions f3, f‘, f8 traverse the tracker-bar, three cir
cuits will be closed at contacts s3, t3; s'‘, t"; s8, is;
cuits will be closed at contacts s3, F‘; s‘, t4; s8, is; 70 respectively, to establish circuits which will en
respectively, to establish three circuits which will
ergize magnets 1181'", r8, and-close switches 714
energize magnets T9,, 1'", T8, ‘and close switches
to h", inclusive,.h23 to It“, inclusive, whereupon
' ; h‘ to h", inclusive, and 71.25, whereupon the cur
current will pass from battery :1: through switch
rent will pass from battery :1: through switches 75 es h4, n23, magnet m for the next key (usually
for printing “1/2”) and switch It?‘3 to battery 2:
, h4, h11,,magnet ‘m which is connected to the next
2,258,405
netic switches which,inturn,/ind1v1_duauy control
' and said key wilibe depressed by said magnet to
render operative the shifting device (1 controlled
the full set of 49'motor-operated shifting devices
by said key.
for imparting power strokes to the type-levers
‘
.
' When a set of transversely aligned perfo‘ra
and other actions, and is adapted for speedy and ,
tions f4, f5, 16 traverse the tracker-bar, three cir- ‘
accurate power-operation of the typewriter.
The invention is not to be understood as
'cuits will be, closed at s‘, t4; sit-‘i; s“,- t‘*; re
spectively, to establish circuits which will ener
gize magnets r4, r5, 16 and close switches h8 to has, "
restricted to the details‘set forth, since these
may be modi?ed within the scope of the appended
claims, without departing from they spirit and
inclusive, whereupon current will pass from loat
tery in through switches ha, h1°,'magnet m for the .10 scope of the invention.
next key (usually for, printing an apostrophe) and
Having thus described the invention. what I
switch h?2 to battery :1: and said key will be cleé ‘ claim as new and desire to secure by Letters Pat-'
pressed by said magnet to render operative the
ent 1st?
shifting device (1 controlled by said key.
' '
When a set of transversely aligned perfora
1. In automatic'control mechanism for a mo- ‘
15 torized typewriter, the combination of a full set
of electromagnetic devices for individually con
trolling the operations of substantially all of the
functional parts of the typewriter, a record pro
vided with successive permutations of groups of
20 at least three perforationsior controlling. said
parts, a series of eight permutably operable elec
will pass from battery 0: through switches h“,
tromagnets, a series "of eight switching devices
h“, magnet m for the next key ‘(usually the stop
controlled by the magnets, respectively, and-com
vkey) and switch h’!4 to battery :1: and said key
will be depressed ‘by said magnet to render oper- '
prising switches connected' to establish circuits
ative the shifting device d controlled by said key. 25 for the individual operation of the full set~ of
When a set of transversely aligned .perfora
, electromagnetic devices, and means controlled ‘by
tions f4, is. f’ traverse the tracker-bar, three
circuits will be closed at contacts s4, t4; 's‘, t"; s",
t"; respectively, to establish circuits which will
energize magnets r4, r5, r7, and close switches
h8 to It", inclusive, h”, h“, whereuponlcurrent
tions f4, f5, 18 traverse the tracker-bar, three cir
‘cults will be closed at contacts s‘, t‘; s5, E; s”, t“;
the groups of perforations in the record for con- ,
respectively, to establish circuits which will en
cient number of permutations of three to con
trolling the operation of the magnets in a sum
ergize magnets r4, r5, 1,“,- and close switches ha 30' trol the switches controlled by the magnets for
to h", inclusive, h", whereupon‘current will pass ‘I individually and selectively controlling the opera
from battery :1: through switches hi‘, hi“, magnet
tion of the full set of electromagneticdevices.
m for the next key (usually forback-spacing)
and switch hi5 vto battery ,1: and said key will be
- depressed by said magnet‘ to render operative the
2. In‘ automatic control mechanism for a mo;
_ torized typewriter, the combination of a full set
of electromagnetic devices for individually con
trolling the' operations of substantially all of the
functional parts of the typewriter, a record‘pro
shifting, device 11 controlled by said key.
, When a set of transversely aligned ‘perforations
14, 1°, 1'1 traverse the trackerebar', three circuits
will be closed at contacts 84, t4; .9“, t“; s", t";
_ vided with successive permutations of ‘groups of
at least three perforations for controlling ‘said
respectively, to establish circuits which will en» 40 parts, a series of eight permutably operable elec
ergize magnets r‘, r‘, r7 and close switches h8
tromagnets, a series of eight switching devices
to n12, inclusive, h" to h“, inclusive, whereupon
current will pass from battery :1: through switches
_ h“, h", magnet m for the next key-(usually the
right-hand shift-key) and switch hi4 to bat
tery ‘a: and said key will be depressed by said mag-
net to render operative the shifting device at ‘con
trolled by said key.
'
.
' _
controlled by the magnets, respectively, and com
prising switches connected to establish circuits
’ ‘for the individual operation of the full set of
45 electromagnetic devices, and a set of switches
\ controlled by the groups of perforations in ‘the
record for controlling the operation of the magp
néts in a su?lcient number of permutations of
When a set of transversely aligned perforations . three to control the switches controlled by the
1‘, 1°, 1° traverse the tracker-bar, three circuits 50 magnets for individually and selectively con
will be closed atv contacts a‘, t4; s", t“; s", t8; v[trolling the operation of the full set of electro
respectively, to establish circuits which will en
.
magnetic devices.
'
ergizemagnets r4, 1",‘ r‘ and close switches h"
3. In automatic control mechanism for a nio
to h", inclusive, h”, whereupon current will pass
torized typewriter, the combinationJ of a full set '
from battery :1: through switches ha, hi1, magnet 55 of electromagnetic devices for individually con
m for the next key -(usually for the carriage re
trolling the operations of substantiailly. all of
.turn) and switch h" to battery :2: and‘ said key
the functional parts of the typewriter, a record
' will be depressed by said magnet to render oper
provided with successive permutations of groups
- ative the shifting device (1 controlled by saidrkey.v
of at least three perforations for controlling said .
)When the tape between the perforations passes 60 parts, a series of eight permutably operable elec
over the contacts in the tracker-bar, the, circuits
tromagnets, aseries of eight switching devices _
for operating, the magnets r1 to re, inclusive. will
controlled by the magnets, respectively, and com
interrupted and the key-levers ; b‘ will be
prising switches connected to establish circuits
‘restored .to normal position.
’for the' individual operation ofgthe full set of‘
The keys I) may be operated manually at any
time to control the power operation of the type
- bars and other actions because the keys are free
to be depressedv when the magnets m are de-en
‘ergized and ,through their legs 174 control, the
shifting devices d.
'
‘
'
The invention exempli?es automatic control
electromagnetic devices, and a set of eight
_ switches controlled by the groups of perforations‘
in the record for controlling the operation of the
magnets in a'su?lcient number of permutations of
three to control the switches controlled by the ,
70 magnets for individually and selectively control
ling the operation of'the full set of electromag
mechanism for a motorized typewriter, by means
netic devices.
of which permutatively arranged sets of three
_v
perforations “controla ‘set of eight electromag
'
‘
q
‘
,
ARTHUR H. BUCKLEY. '
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