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Патент USA US2405287

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Aug. 6, 1946A.
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Patented Aug. 6, 1946
Samuel Brand, Binghamton, and James M. Cun
ningham, Endicott, N. Y., assignors to Inter
national Business Machines Corporation, New
York, N. Y., a corporation of New York
Original application March 3, 1942, Serial No.
433,178. Divided and this application January
1, 1943, Serial No. 471,052
9 Claims.
This application is a division of our copending
application Serial No. 433,178, flied March 3,
1942, now Patent 2,375,275.
(Cl. zas-61.6)
This invention relates to calculating machines
and more particularly to machines in which per..
forated records control the operation of the cal
culating mechanism.
One of the objects of the invention is to pro
is sensed by the machine to control the operation
of the storage mechanism.
Figs. 14a and 14h taken together and placed in
the above order named constitute a wiring dia
gram of the electrical circuits.
The storage mechanisms
Through belt and pulley connection 218 (Fig.
vide an improved data storing mechanism in
3) a shaft 219 is driven. On this shaft 219 are
which data is entered from record cards as the 10 four clutching devices (Fig. 6). Each of these
columns thereof are sensed successively.
clutching devices controls a separate section'or
A further object of the invention is to provide
unit of the storage mechanism so that each sec
a plurality of such storage devices and improved
tion may be independently operated and con
interconnecting 'and controlling mechanisms
trolled, since for each section of the storage
whereby the data in the sensed record card col 15 mechanism there is a separate adjustable contact
uxnns may selectively control any of the storage
mechanism. It will suffice to explain the opera
devices and in any order.
tion _of one of lthe sections, it being understood
Other objects of the invention will be pointed
that the others are of the same construction and
out in the following description and claims and
illustrated in the accompanying drawings, which 20 Clutch mechanism.--Referring to Figs. 4 and
disclose, by way of example, the principle of the
6, the shaft 219 has secured thereto four clutch
invention and the best mode, which has been con
driving ratchets 280. In the plane of each driv
templated, of applying that principle.
ing ratchet there is a pair of pawls 28| pivoted
In the drawings:
on pins 282, which pins are mounted between a
Fig. 1 is an elevation of the storage units.
25 pair of disks 283, one of which disks has a series
Fig. 2 is a partial vertical section of Fig. 1
of lobes 284 about its periphery. The pawls 28|
showing the interior construction of the storage
are bifurcated lengthwise where they surround
units. The view is taken along lines 2-2 of
the pin 282, and in the space provided by such
Fig. 3.
bifurcation is disposed a ring 285 having ratchet
Fig. 3 is a plan View of the storage units look 30 teeth 286 and inward extensions 281 which lat
ingV down on Figs. 1 and 2.i
ter abut the inner edges 288 of pawls 28|. Nor
Fig. 4 is a detail of one of the storage unit
mally, the parts occupy the position shown in Fig.
operating clutches taken along lines 4--4 of
4 wherein a- spring-pressed detenting finger 289
Fig. 3.
pivoted at 290 engages between a pair of adja
Fig. 5 is a further detail of the clutch in op 35 cent lobes 284 to hold the disk 283 in position.
erating position.
Fig. 6 is a view showing the relative location of
the four storage unit clutches, the view being
substantially along lines 6-6 of Fig. 3.
A projection 29| of an arm 292 normally engages
one of the teeth 236 so that the disk 233 and ring
285 are held in the relative displacement posi
tions shown. It will be observed that springs 293
tend to rock the pawls 28| counterclockwíse and
through engagement of their edges 288 against
the four sets of storage unit operating cams, this
extension 281 tend to urge the ring 285 in a clock
. section being taken substantially along lines 1-1
wise direction, which is normally prevented by
of Fig. 2.
the extension 29|.
Figs. 8 and 9 are views showing the movable
When magnet 294 is energized, it rocks its ar
parts Vof the storage unit in different operating 45 mature latch 295 clockwise to release arm 292.
The resulting clockwise rocking of arm 292 under
Fig. 10 is a detail of one of the settable arms,
the influence of its spring 296 will release ring
the view being taken along lines |0-||| of Fig, 8.
285 which may now rock slightly in a clockwise
Fig. 11. is a further position view of the parts
50 direction under the inñuence of the pawl springs
shown in Figs. 8 and 9.
293, which at the same time rock the pawls 28|
Fig. l2 is a diagram showing the relative dis
into engagement with the constantly running
placement of a set of controlling cams in the
driving ratchet 28|), thus coupling the disks 283
storage unit.
for rotation with the shaft 219 (see Fig. 5). The
_ Fig. 13 isa fragment of a record card such as 55 clutch disk 283 is integral with gear 291 (Fig. 6)
Fig. 7 is a view showing the relative location of `
which meshes with a gear 298 (Fig. 4) loosely
mounted on a shaft 299. Since there are four
clutches such as described, there are four gears
a horizontal direction, while the bars 314 extend
beneath them in a transverse direction. If any
blade 312 is rocked clockwise as in Fig, l1, its
29'1', and each driVes a gear 298 on a shaft 299.
As seen in Fig. '7, there are two of these shafts
lower end will engage the related bar 314 and
electrically connect the channel 308 with the bar.
Channels 303 are insulated from one another and
209 which may be referred to as the upper and
from the machine. The manner in which the
lower shafts, and the gears 298 are disposed on
blades 312 are given this clockwise rotation to
these shafts as shown with each gear control
contact the bar 314 will now be explained.
ling one of the four sections or units of the stor
Extending across the blades 312 on the side
age device as will be explaned later.
opposite bar 314 is a plate 315 (Fig. 8) which is
Referring to Figs. 3 and 4, for each clutching
pivoted at 316. Each pivot 316 has at one ex
mechanism there is provided a pair of contacts
tremity thereof an arm 311 which is articulated
designated 301 which lie in the plane of rota
at 318 to the plunger of solenoid 319. A spring
tion of the lobes 284 of disk 283. As the disk
rotates, the lobe causes contacts 30! to open. 15 320 normally holds the parts in the position
shown. There are ten plates 315, five of which
In Fig. 5 is shown the position of the clutch parts
have their arms 311 on one side of the framework
with the magnet 294 .energized and arm 292
and the remainder have their arms on the oppo
tripped. It will be noted that as the parts ro
site side. There are also ñve solenoids 319 on
tate, one of the lobes 284 will engage a projection
302 of arm 292 and a little later another lobe 20 one side of the framework and five on the oppo
will strike projection 303 of the armature latch
295, so that these parts will be restored after one
step or one tooth of movement of the clutching
mechanism. A single instantaneous energization
of magnet 205i, therefore, results in a single step
of advance of the clutch and repeated energiza
tion will successively step the clutch ahead. If
site side for conventience of arrangement (see
Figs. 1 and 3). The ten solenoids, of which
there are two sets, are associated one set with
the upper part of the mechanism in Fig. 2 and
the other associated with the lower part. The
solenoids 319 in each set of ten are related to the
ten digits.
Referring now to Fig. 8, when the cam wheel
magnet 294 is held continuously energized, the
304 is rotated counterclockwise, the roller of bell
clutch will remain engaged for continuous oper
ation, with lobes 284 idly oscillating arm 292 and 30 crank 300 iirst drops into the depression of the
cam so that the channel 308 is drawn toward the
latch 205.
left by its spring 31 1. In doing so, the blades 312
Storage Contact mechanism-Referring to Fig.
engage the bars 314 and are rocked counterclock
wise so that all take the position shown in Fig. 8.
298 through tie rods 305. The configuration of 35 This operation serves to restore any blades 312
which may have been rocked into their active
these cams is shown in Figs. 12, 2 and 4, and each
position during some prior operation of the ma
controls a pair of bell crank follower arms-306.
chine. Following this, the bell crank 306 is rocked
As cam 304 rotates, it will impart three positions
clockwise by the high point of cam 304 to the
to the bell crank 30S which may be termed a
high, low or intermediate position. The pairs of 40 position shown in Fig. 9. At this time if a sole
noid 319 is energized, the plate 315 is rocked
arms 300 operating with a single cam 304 will be
counterclockwise and will strike Contact blade
actuated by the dwell and rise in the cam at the
312 to rock it to the position shown in Fig. 9.>
interval indicated in Fig. 2 which is a little less
Thereafter, when the bell crank 306 rides down
than 180°, so that the two bell cranks are alter
to the concentric portion of the cam, the chan
nately operated, first the upper and then the
nel 308 with blade 312 in its rocked position will
lower. To each bell crank at 30‘1 there is piv
move back to the position of Fig. 11 wherein the
oted a channel 303 whose opposite end is pivoted
shifted blade 312 makes contact with the bar 314.
at 309 to an arm 310, so that the channel is
It may be pointed out at this time that the four
guided for substantially horizontal movement. A
spring 3H serves to bias the channel and bell 50 cams 304 constituting a set controlled through a
gear 298 are displaced 1,() of a revolution with re
crank so that the roller of the bell crank bears
spect to one another, so that the four upper bell
against the cam 304. As cam 304 rotates, the
cranks 305 are rocked in succession from left
channel 300 (Fig. 2) will take three different posi
to right (see Fig. l2) and thereafter the four
tions, i. e. the normal position shown, a position
toward the left when the roller drops into the , lower bell cranks 306 are also rocked in succession.
depression in the cam, and a position toward the
It may also be pointed out that a section or unit
right as the roller is engaged by the rise of the
of the storage mechanism comprises eight chan»
cam 30d. In Figs. 8, 9 and l1 these three posi
nels 30B arranged in an upper and lower row of
tions of the cam are illustrated.
four channels each, so that through the four
On each channel 300 there are pivoted ten con 60 cams the eight channels are shifted in succession
tact blades 312 supported on pins 313 (see Fig.
to be acted upon by the ten digit representing
10). The pins 313 are carried by the channel
solenoids 319.
330 and mounted so they do not rotate, while
The plates 315 (Fig. 2) are mounted on the
the blades 312 are rotatable on the pins, so that
common pivot 316 so that energization of any
they may be rocked clockwise to the position 65
solenoid 319 will rock both plates, but the only
shown in Fig. 9. When in either position, blade
which will -be effective on either an upper
312 is held there by a loop spring 390 connected
or lower channel is the one which is standing on
between the upper end of the blade and the chan
the high lobe of the cam 304 at the time the
nel 308.
Extending transversely across the lower ends 70 solenoid is energized. Each set of cams 304 is
provided with a roller 320 which cooperates with
of the blades 312 are common contact bars 314
pairs of similar contacts 321, 322, and 321a., 322a,
which are suitably mounted in insulating sup
the roller being so positioned that when any set
ports, so that as viewed in Fig. 3 there is a grid
of four cams has commenced a revolution, the
arrangement between the channels 308 and the
bars 314 with the several channels extending in 75 related contacts 321 and 321a will be permitted
7, each gear 298 drives a set of four cams 304
which are secured to one another and to the gear
to close and contacts 322 and 322a permitted to
1 Connected to each of the four gears 298 for
driving engagement is a commutator brush struc
ture shown in Figs. l and 7, wherein a double
brush 323 traverses the common conducting ring
324 and nine separate conducting segments 325.
The segments are spaced to correspond to the
nine stepping positions of the related cams 304
with a segment 325 for each of the positions to
which the device is stepped. These emitters are
illustrated diagrammatically in the circuit dia
gram (Fig. 14a). In the circuit diagram of the
parent application Serial No. 433,178 (now Patent
2,375,275) the contact blades 3I2 and common 15
bars 3I4 are represented in a diagrammatic man
ner to represent a grid structure and the man
ner in which such grid structure controls calcu
usual hopper to the card sensing brushes |2I,
and that this period of time is constant and of
such duration that the contacts 29 are closed and
in turn relay MRI is energized for a period ade
quate to accomplish the several functions con
trolled by the contacts of the relay as will be
pointed out. Magnet MRI closes its contacts
MRIa which complete a circuit from line 330,
contacts MRIa, two magnets 342 in parallel, to
line 33|. The magnets 342 are the reset magnets
of a well known form of stepping relay switch.
Their energization at this time serves to insure
starting of the stepping switches from home po
sition. These stepping switches are diagram
matically shown in Fig. 14h where their stepping
magnets are designated as SRI and SR2.
ergization of magnets SRI and SR2 will directly
step the contact arms upon energization of the
lating operation of the machine is specifically set
magnets against spring action, and the arms will
20 be held in advanced position by the usual hold
Briefly reviewing the positioning of slides 308,
ing pawls which are released for restoration
it is noted that there are eight slides and that
through magnets 342.
cams 304 make nine steps during a complete rev
Restoration of storage units-_When relay
olution. For each step of cams 304, except the
magnet MRI is energized, a circuit is completed
last or ninth step, a slide 308 is moved from the
position of Fig. l1 or Fig. 2 to the position of
Fig. 8 and then to the position of Fig. 9. While
slides 308 are in the position of Fig. 9, their con
tact elements 3|2 are set by bails 3l5.
In the complete machine the record card is 30
automatically advanced step by step to present
the card columns to the row of brushes |2I (Fig.
14a) one yat a time. For purposes of simpliñca
tion in the present case, it will be assumed that
the columns are manually presented in succes
sion, .beginning with column I of the card of Fig.
from line 330 (Fig. 14a) , wire 341, the four lower
contacts MRIoZ now closed due to energization
of MRI, cam shaft contacts 32| of the storage
units which are closed if the units are not in
their home position (see also Fig. 2), thence
through clutch magnets 294 to line 33 I. This circuit will keep the clutch magnets 294 continu- '
ously energized until their respective clutch as
semblies have turned to a position just before
arriving in home position, at which time the
contacts 32 I are opened to break the clutch mag
net circuit but the cams nevertheless continue
13. It will be further assumed that contacts 29
to their home position. If at the time relay
(Fig. 14a) are first closed momentarily Ibefore the
magnet MRI is energized a storage unit is already
ñrst column is presented and that, while each
in home position, the above circuit will, of course.y
column is at the brushes and shortly after its 40 not be completed since the related contacts 32|
presentation thereto, a relay R52 is energized
will be in open position,
(or alternatively, its contacts R52a are closed mo
Magnet MRI has also closed a pair of contacts
mentarily, that is, closed and opened again be
MRIe to complete a circuit traceable from line
fore the next succeeding column is presented to
330 (Fig. 14a), wire 347, contacts MRle, relay
the sensing brushes).
magnet RIZ to line 33|. Magnet R12 closes its
Circuit diagram
contacts R|2a to provide a holding circuit tracen
able from line 33|, magnet RIZ, contacts Rl2a,
In the circuit diagram (Figs. 14a and l/lb),
wire 35 I, thence through the cominutator devices
there is shown only so much of the circuit con
of the four storage units in series, through a cir
nections as will serve to explain how the data on
cuit established when all the brushes 323 are
the card of Fig. 13 is entered into the storage
standing in home position as shown, thence to
devices. The record card (Fig. 13) has four
line 330. Movement of any brush 323 out or"
ñelds in which amounts 1234, 5678, 9012 and
home position will break this holding circuit.
070157 are punched respectively, as shown.
Initial advance of storage unit #1 .-When latch
These amounts are to be read in succession and
contacts 29 open and deenergize magnet MRL
each amount is to be entered into a different
its contacts MRI f (Fig.14b) will close and with
one of the four storage units, digit by digit. The
magnet RIZ energized upon restoration of all
reading devices comprise a row of sensing brushes
storage units as explained, a circuit is traceable
|2| which make contact through the card per
forations with a common conductor II‘I. For 60 from line 330, contacts MRIÍ, R|2b to plug sock
et designated q2, thence through a plug connec
purposes of the present explanation, it will be as
tion 352, plug socket r2, relay magnet R32, wire
sumed that at the outset the first column of the
353, to line 33|. Magnet R32 will thus be ener
card of Fig. 13 is being sensed by brushes |2|
gized and will remain so through the following
and the card is thereafter advanced step by step
or column by column to present the subsequent 65 holding circuit: from line 330, contacts MRIc
card columns to the brushes.
now closed, wire 349, contacts 322a of the storage
Current is directed to main lines 330 and 33|.
unit, contacts R321) now closed, holding coil of
As a preliminary, through mechanism not spe
magnet R32 to line 33|. The uppermost con
ciflcally shown a pair of contacts 29 known
tacts 32211 are related to storage unit #l and this
as latch contacts are closed, while the card is 70 holding circuit will be maintained until this stor
advanced to its ñrst column sensing position, and
age unit has moved out of its home position,
such closure will complete a circuit from line 330
when contacts 322a will open. Energization of
(Fig. 14a), contacts 29, relay MRI to line 33|.
magnet R32 causes closure of a pair of contacts
R32a and a circuit is completed from line 330,
Suilice it to say herein that these contacts 29
are closed while a card is advanced from the 75 contacts R32a now closed, left hand contacts
R250, Wire 354 enclosed in a cable 355 (Fig. 14a)
to contacts 322 of the first storage unit, and
thence through the #l magnet 254 to line 33|.
Thus, the magnet 234 of the ñrst storage unit is
energized and this unit will move from its home
position to #l position (see Fig. 9), and during
such movement the cam shaft contacts will shift
to cause closure of contacts 32| and opening of
contacts 322 for this unit, and relay magnet R32
will be deenergized as explained.
The time re
quired for operation of the card feeding mecha
nism and related devices is such that the storage
unit is restored and its first columnar1 position
set up as in Fig. 9 before the digit magnet 3 I9 is
energized in response to the sensing of a per
foration. In other Words, the ñrst card column
is not presented to the sensing brushes until
relay MRI has ñrst been energized and deener
gized and relay R32 thereafter energized and
Entering into Jîrst column of storage unit #1.
Vance it to the next column. These circuits re
peat for the third and fourth columns of the
card so that, after the fourth column has been
sensed, the amount 1234 of the card of Fig. 13
is set up in the first four columns of the storage
unit #1.
Shift to control storage unit #2r-_As a prelim
inary to the operation of the machine, it is deter
mined hovv many orders in each storage unit are
10 to be used, and this is generally in accordance
with the columnar capacity of related card fields.
Thus, since the first card field (Fig. 13) is of
four column capacity and the data therein is to
go into unit l, the brush socket d8 (Fig. 14a)
Wired to the fourth segment 325 of the emitter of
unit 1 is connected by a plug connection 363 to
the I socket of a stepping switch SRI (Fig. 14h).
Likewise, since the second and third card fields
are also of four column capacity, their fourth
emitter sockets di) and dlíl are connected to the
second and third sockets bl and cl through con
nections 37| and 314 respectively. The fourth
The following circuit is completed to set up the
card field is of six column capacity, so it is the
digit 1 as punched in the card in the ñrst column
sixth socket f|| of the related .emitter that is
of the storage unit #1, This circuit is traceable
connected in this case through connection 311 to
as follows: from line 33@ (Fig. 14a), several in
socket dl of the stepping relay SRI. Thus, the
terlocking contacts (not shown), wire 356, card
number of columns in each card field determines
reading roller lll, #1 brush |2| novv in contact
from which emitter socket a connection is to be
with the 1 position in the ñrst column of the
made. These connections serve to interrupt fur
card of Fig. ki3, thence through related wire 357,
ther entries into a storage unit when all the
the pair of digit solenoid magnets 319 related to
columns of the related card ñeld have been sensed
the digit 1 and thence to line 33|. Since the
and to prepare the next storage unit to receive
#l storage unit has already been operated to
data from its related card field. During the
place its #l column in setup position (see Fig.
sensing of the fourth column of the card, addi
9) , this operation of the #l digit bail 3|5 Will set
tional circuits are brought into operation to pre
up the digit 1 in the ñrst column of the storage
pare the second storage unit in the machine to
receive the amount from the second field of the
Advance of storage unit #1 from column 1 to
card (Fig. 13). The circuit involved is traceable
column #2.-At the same time that the circuit
as follows: from line 330 (Fig. 14a) , Wire 358, con
just traced is completed, a further circuit (not 40 tacts R52a, closed momentarily during the sensing
shown) is closed to cause the clutch magnet 294
of the card column, wire 362, to the common 324
of storage unit #l to be energized. This circuit
of the storage unit emitters of which the emitter
causes momentary closure of contacts R52a (Fig.
for unit #l now has its brush 323 in the “4’”
position, and the circuit continues through ,emit
14a) to complete a circuit from line 33D, wire
contacts R52a, contacts R25a now closed, ‘ ter segment 325 in the fourth position to the
fourth plug socket designated d3, thence through
upper contacts MRId, cam shaft contacts 32| of
plug connection 363 (Fig. 14h), plug socket a1
storage unit #l which are notv closed, the clutch
to the segment wiper and common of the stepping
magnet 234 and line 33|. The circuit fo-r ener
relay controlled by the magnet .designated SRI,
gizing relay R52 (not shown) includes a number
of interlocking contacts. For present purposes ' thence through the wire 384 to another common
of the stepping relays controlled by .magnet SRI,
and for the sake of simplicity, it may be assumed
Wiper and segment to plug socket kl, plug con
that relay R52 is momentarily energized after
nection 365, socket s2, relay magnet R33 to line
each card column is sensed by brushes I2I, and
. Briefly, when the fourth order of storage
that the relay is deenergized before the next card
column is sensed. It may alternatively be as 55 unit 1 is in entry receiving position, relay R33
becomes energized. Obviously, if the >card field
sumed that contacts R52a are manually closed
related to storage unit l were of, say, eight .column
momentarily between the sensing of successive
capacity, in which case plug connection 363 would
card columns.
have been made to the eighth socket hä, relay
Advance of the card from column 1 to column
R33 would not be energized until such eight col
2__While this takes place, other devices func
umn were reached. Energization of magnet R33
tion to space the card one column to bring the
will cause storage unit #2‘ to be brought into its
second column of the field Linder the sensing
#l position as in Fig. 9, providing magnet R21 is
brushes |2I or alternatively, as stated, the card
deenergized, which will be the case at this time.
may be manually shifted to present the next col
65 The circuit involved is traceable from line 330
umn to the sensing brushes.
(Fig. 14h), contacts R33a, left hand contacts
Entering from column #Z of the card-_With
the second column of the card in sensing posi
tion and with the second column of the storage
R210, Wire in cable 355 (Fig. 14a), contacts 322
of storage unit #2, the 2 magnet 294 to line 33|.
At the same time a circuit is completed to enern
unit #l in entry receiving position, the circuits
gize magnet R25 so that its contacts R25a are
similar to those already traced Will be completed 70 open and no further circuit is completed to the
to energize the solenoid bail magnet Slä (Fig.
magnet 294 of the ñrst storage unit through these
14d) related to the digit 2, and the momentary
contacts. This circuit is completed from line
energization of relay magnet R52 Will again trip
330, through Wire 3&8, contacts R52a closed, wire
the clutch magnet 294 of the storage unit to ad 75 362, emitter of unit itl, the fourth plug socket
d8, the connection 363 to the plug socket a1
(Fig. 14h) as already traced, wire 364 to the step
ping relay controlled by the magnet designated
SRI, to a plug socket in the ñrst position desig
nated al, plug connection 366 to plug socket a2,
relay magnet R25 and thence through wire 353 to
line 33|. Magnet R25 opens its contacts R25a.
the magnet, contacts 310 are closed before the
switch arms are fully stepped. This transfers the
circuit of magnet SRI to relay contacts R52a
through wire 362 to insure sufficient duration of
current to the magnet for full advance of the
switch arms, and by opening contacts 369 after
closure of contacts 310 the initial circuit to mag
Magnet R25 also closes a pair of contacts R2 5d
net SRI is broken.
and will provide a holding circuit to maintain
Meanwhile, storage unit #l advances to home
this magnet energized until the #1 storage unit 10 position under control of contacts R25b and
storage unit #2 advances one step to its #l posi
has been restored to its home position. This
tion ready to receive an entry- When contacts
holding circuit is traceable from line 330, con
R52a (Fig. 14a) are now opened, the stepping
tacts MRIc, wire 349, uppermost contacts 32Ia
switch arms are in their 2 positions so that de
now closed, R25d, holding coil of magnet R25
to line 33|. This magnet thus remains energized 15 energization of magnet SRI Will permit reclosure
until the storage unit #1 is in its home position
of contacts 369 (now disconnected from any live
circuits) and reopening of contacts 310. The
when contacts 32Ia open. It may be mentioned
at this point that there is a parallel holding cir
card is now advanced to present the left hand or
ñrst digit of the second amount to the sensing
cuit traceable from contacts MRI c, wire 348,
contacts R20c, R25d, magnet R25 to line 33|, 20 brushes |2I and the apparatus is ready to receive
which will be holding the magnet energized until
such second amount.
magnet R20 is energized. Magnet R20 is ener
Reading the second amount
gized when the function that is performed under
to set up storage unit #2 in ac
control of the entry in storage unit #l is com
pleted and is plug connected to operate after 25 cordance with the perforations of the second
iield in the card are exactly the same as for stor
that function has been performed. For the pres~
age unit #1, that is, for the example chosen the
ent problem, however, magnet R20 is not utilized
digit bail magnets 3I9 (Fig. 14a) corresponding
so that its contacts R20c remain closed through
to perforation in a 5 position of the card column
out operations and magnet R25 accordingly re
mains energized until magnet MRI is energized 30 will be energized and at the same time a circuit
is completed through the clutch magnet 294 of
during the feeding of the next succeeding card.
the storage unit #2, this latter' circuit being
-The magnet R25 also closes contacts R25b
traceable from line 330, wire 358, contacts R52a,
'(Fig. 14h) completing a circuit from line 330,
contacts R21a, upper contacts MRId, contacts
contacts MRIc, wire 349, contacts R25b, cable
32| now closed, #2 magnet 294 to line 33|. As a
361 (Fig. 14a), uppermost contacts MRId, con
result, the digit 5 is entered in the iirst order of
tacts 32|, the #l clutch magnet 294, line 33|.
the second storage unit. C‘oncurrently, the card
The continued energization of magnet 294 will
is spaced, bringing the sixth column into sensing
step the storage unit #l around to its home
position wherein operations are repeated to enter
position wherein contacts 32| open and wiper
323 of unit #l is returned to the position of Fig. 40 a 6 in the second column followed by the enter
ing of a 7 in the third column, and an 8 in the
14h, leaving the unit in such home position (see
fourth column.
Fig. 2). The circuit for causing the stepping re
Meanwhile, the emitter of storage unit #2 is
lays SRI and SR2 to advance one position when
stepped around and, when it reaches the fourth
the fourth column of the card is sensed is trace
position, a circuit is completed to disconnect the
able as follows: from line 330 (Fig. 14a), Wire`
#2 unit clutch magnet operating circuit by open
358, contacts R52a, wire 362, to the emitter of
ing contacts R21a. The circuit through the
storage unit #1, the socket d8 associated with the
fourth segment of the emitter unit of the unit
fourth position, plug connection 363, plug socket
#2 is traceable as follows: from line 330, wire 358,
a1 (Fig. 14h) , stepping relay vcontrolled by mag
net SRI, the wipers of this relay to the common 50 contacts R52a. when they close, wire 362, emitter
brush 323 of unit #2 to the fourth plug socket
segment, wire 364, contacts 369 associated with
d9, plug connection 31| to socket b1, segment and
the relay controlled by magnet SRI, thence
common of uppermost emitter SRI, wire 364 to
through the stepping relay magnets SRI and SR2,
left hand of the lower stepping relays SRI, to
in parallel to line 33|.
Energization of magnet SRI attracts its arma 55 socket bl, plug connection 312, the plug socket
b2, relay magnet R21, wire 353 to line 33 I. Apar
ture and causes closure of contacts 310 and then
allel circuit extends from wire 364, through the
opens contacts 369. This transfers the circuit to
right hand stepping relay SRI to socket MI , plug
the contacts 310 before the contacting arm and
stepping relays actually shift.
connection 313, plug socket t2, relay magnet
Relay contacts
R52a and 310 thus hold magnets SRI and SR2 60 R34, wire 353 to line 33|. Thus, relay magnets
R21 and R34 are accordingly energized when
energized after the initial circuit is broken, due
storage unit #2 is in its fourth column entry re
to shifting of the relay wipers.
ceiving position and when contacts R52a clos'e.
Recapitulating, the fourth column of the card
A further parallel circuit extends from wire 364,
is presented to the brushes I2I and a circuit is
completed therethrough to energize the 4 sole
noids 3I9 to set up a 4 in storage unit #1. After
this is done and while the fourth card column is
through contacts 369, stepping relay magnets
SRI and SR2 to line 33|. 'I’his has the effect, as
still in sensing position, relay R52 is energized
(assumed to be manual for present purposes) to
complete the circuits traced, to energize relays
before, of advancing stepping relays SRI and
SR2 together to their third position.
The card is advanced to present its ninth col
umn to the sensing brushes |2I, and the storage
R33 and R25 and the stepping switch magnets
SRI and SR2. Relays R33 and R25 will imme
diately set up holding circuits as traced, so that
as magnet SRI operates to close contacts 310 and
advance the switch arms upon energization of
unit #3 is prepared to receive entries under con
trol of the third neld of the card (Fig. 13). This
preparation is the same as that for storage unit
#2 in that magnet 294 of unit #3 receives an
impulse to bring its first column into receiving
position through a circuit traceable from line
contacts R331; now closed, R29c, cable 355,
contacts 322 of unit #3 to #3 magnet 294, and
thence to line 33|.
This results in the opening of contacts 322 and
closing of contacts 32| so that subsequent ener
gization of magnet 294 of unit #3 is through the
circuit from line 333, wire 358, contacts R52a,
contacts R290., upper contacts MRld, contacts
32|, #3 magnet 2.94 to line 33|. This energiza
section of stepping relay SR2, its plug socket d4,
plug connection 31S to plug socket e5, relay
magnet R39, wire 353 to line 33|. At the same
time, of course, the magnets SRI and SR2 are
also energized so that both stepping relays ad
vance another step to bring their wipers in con
tact with the segments in their ñfth positions.
Relay magnet R3| closes its contacts R3|b to
complete the circuit through cable 361 (Fig. 41d)
so that magnet 294 of storage unit #4 will be
tion takes place, of course, each time a column
of the card is sensed.
continuously energized as already explained to ad
It may be pointed out that in connection with
storage unit #2 this unit is also advanced to its
this point in the operation of the machine all
four storage units are in their home positions
with each containing a setting representing the
amounts perforated in the four ñelds of the record
card (Fig. 13).
Relay R33 serves to initiate operations of read
ing out the values entered in the storage devices
and its energization is a signal that entries from
the card have been completed. Since the reading
out operations are not part of the prescrit inven~
home position in a similar manner to that in
which unit #l was previously returned to home
position, This ís eifected by holding magnet 294
continuously energized through a circuit trace
able from line 333, contacts MRlc, wire 349, con
tacts R211), cable 331, upper contacts MRI d (sec- <
ond from the top), contacts 32| of unit #2, the 2
magnet 234 to line 33|. When this unit reaches
home position, shifting of contacts 32| and 322
breaks the circuit.
Reading the third amount
Sensing of the 10th, 11th and 12th columns
of the card and setting of the amount 9012 in
unit #3 takes place in the now familiar manner`
and, when this unit is stepped to its fourth column 30
is sensedasthe
is a 4 column
is com'
pleted: from line 33B, wire 35S, contacts R520..
wire 352, brush 323 of unit #3 in the fourth posi«
tion, to the plug socket dlll, plug connection 314
vance this unit to its home position, so that at
tion, the same are not shown or described herein.
Another card may now be sensed and its data
entered into the storage devices as before. If
this card has the same' number of columns allo
cated to each field, the connections 333, 31|, 314
and 311 will remain the same. If, however, for
example, the first field contained only two columns
of digits, connection 353 would- be made to the
socket of the commutator of unit l (Fig. 14a)
so that, following the sensing of the second card
column, unit #2 is stepped to its first entry receiv
ing position.. Unit #l will, however, contain entry
in its third and fourth positions from the previ
ous card and it is for this reason that unit #l
to plug socket o1, thence through wire 354 to the
(and other units) are stepped to home position
two lower commutatore of stepping relay SR! and
upon completion of entries therein. for in doing
thence in parallel to plug sockets c| and m, plug
so any previous settings in higher orders than
connections 315 and 316, respectively, to plug
sockets c2 and u2 to energize relay magnets R29 40 used for the current card will. be reset and the
unit will contain only desired. data.
and R35 in parallel, the circuit being completed
The initial resetting of all units at the com~
through wire 353 to line 33|.
mencement of operations is a precautionary
As before, the stepping magnets SRI and SR?.
measure to insure that no settings have remained
are energized along with the relay magnets R23
in the units from some prior operation as where
and R35. Energization of magnet R35 causes its
contacts R35a to complete the now familiar cir
cuit through cable 355 and contacts 322 of unit
#4 to energize the related magnet 294 and ad~
vance it the one step into position to receive the
entry from column i3 of the card (Fig. 13). At
the same time closure of contacts R291; also com
pletes a circuit parallel to those already traced
for the storage units #l and #2 through cable
361, and upper contacts MRld, contacts 32| of
unit #3 to continuously energize magnet 294 of
storage unit #3' until the latter has advanced to
its home position. Contacts R29a incidently open
to prevent any impulses being routed to the other
storage unit clutch magnets from this source.
Reading the fourth amount
The data from the fourth field of the card
(columns 13 to 18) now is entered column by
column into storage unit #4 in the now familiar
manner. Since this is a 6 column field, entry
progresses until the brush 323 of unit #4 has
advanced to the 6th position. In such position a
circuit is traceable from line 330, wire 358, conm
tacts R52a, wire 362, brush 323 of unit #4 to the
in such prior operation entries were made in four
.units and only three are now to receive new ein
tries. In such case there would be four entries
to be read out after the card has been sensed.
when only three are desired.
While there has been shown and described and
pointed out the fundamental novel features of
the invention as applied to a single modification.
it will be understood that various omissions and
substitutions and changes in the form and details
of the device illustrated and in its operation may
be made by those skilled in the art without de
parting from the spirit of the invention. It is
the intention therefore to be limited only as indi
cated by the scope of the following claims.
What is claimed is:
l. In a machine of the class described, an entry
receiving device comprising a series of conductive
slides arranged in parallel and mounted fol` re
ciprocation, a series of contact elements, one se
ries for each slide, each series including an ele
nient for each of the digits of a notation, carried
by and in electrical Contact with the related slide,
each element being movable to two alternate
’.cositions, the elements of the several slides
sixth plug socket il |, plug connection 311,- plug
related to the same digit lying in a common plane,
socket d1, stepping relay segments of relay SRI.
wire 334, left hand section of stepping relay SRI,
a seriesy of contact bars, one for each of the digits,
plug socket dl, plug connection 318, plug socket
each bar extending along a line adjacent to the
related plane of elements transversely to the
d2, relay magnet RSI, wire 353, to line 33|. A
parallel circuit is traceable from wire 354, lower 75 slides, any contact element upon being moved
from its ñrst to its second alternate position con
tacting the related contact bar to effect an elec
being controlled by the sensing means to position
the elements on the slides when in their entry
receiving positions to represent on each slide the
data, sensed in the successive card column, and
trical connection between a bar and a slide, a
series of actuators, one for each set of like digital
contact elements, said elements being normally
means operative when entries have been made in
unresponsive to the operation of the actuators,
a predetermined number of slides for preventing
means for reciprocating the slides seriatirn
further entries.
through the entire series of slides, means for oper
6. The invention set forth in claim 5 in which
ating said actuators, said series of contact ele
the entering means is common to all the slides
ments being responsive to the operation of the 10 and the means for moving the slides in succession
actuators only during the reciprocation ofthe
comprises an intermittent drive mechanism oper
related slides.
ative to bring the slides into cooperative relation
2. In a, machine of the class described, a device
ship with the entering means one by one.
for receiving a digital entry comprising a slide, a
7. In a machine of the class described, a series
clutch drive mechanism for eñecting operation 15 of slides, a plurality of contact elements on each,
of said slide in a manner so as to move it from
separately settable in a reset or entry repre
a rest position, through a reset position, through
to an entry receiving position and back to rest
position, a series of contact elements pivoted to
the slide, each having a set and an unset posi
tion, means for selectively rocking any one of the
elements from unset to set position when the
slide is in its entry receiving position, and means
eil'ective as the slide passes through its reset posi
tion and before it reaches its entry receiving posi
tion for causing rocking of any said elements to
its unset position.
3. In a. machine of the class described, a slide
movable from a rest position to a reset position,
then to an entry receiving position and then
back to its rest position, a contact element sup
ported on the slide movable to a set or unset posi
tion, detenting means to hold the element in
either position, means for moving the slide from
its rest to its reset and receiving positions and
back to rest position in succession, means effec
tive when the slide moves to its reset position for
adjusting the element to its unset position if it
is not already there,` and means selectively eiîec
tive when the slide is in its subsequent receiving
position for adjusting the element to its set posi
tion, said detenting means holding the element in
set position as the slide moves back to its rest
senting position, a stationary structure adjacent
to said elements, each slide being individually
movable so that any element thereon will be ad
20 .iusted from its entry representing position to
reset position by engagement with the stationary
structure during the individual movement of the
slide, and means for moving the slides, one by
one, in successive order to effect resetting of the
25 elements slide by slide.
8. In a machine of the class described, a series
of parallel slides, a plurality of pivoted arms on
each slide, one for each of the digits of a nota
tion, the arms related to the same digit on the
30 several slides forming a line transverse to the
length of the slides, a plurality of balls extend
ing transversely to the slides, one bail for each
line of arms, said arms being normally out of
the path of move-ment of the bails, means for
selectively rocking the bails, an intermittently
operating drive, means `for moving the slides in
succession to clear said arms and to bring them
into the path of movement of the bails whereby
the selected bail will rock the related arm, means
40 effective during said movement of a slide and prior
to its arrival in the path of movement of the bails
for causing restoration of any previously rocked
arm, and means for retaining the rocked arm in
4. The invention set forth in claim 3 in which 45
9. In a machine of the class described, a pair
of entry receiving devices, each comprising a
the means for moving the slide comprises a cam
plurality of orders of entry receiving elements,
mechanism, and the means eiîective to move the
entering means comprising a single set of mag
element to its unset position comprises a fixed
nets having a single set of armatures for directly
member positioned in the path of movement of
the element, to stop the element while the slide 50 operating all the orders of both devices, record
continues to move, the resultant relative move
controlled means for energizing the set of mag
ment of slide and element causing adjustment of
the element to its unset position.
tions on a record card, means for rendering one
nets in response to the sensing of data designa
of the entry receiving devices responsive to the
operation of said set of magnets, said last named
5. In a machine of the class described, a series
of slides, each having a plurality of settable ele
ments thereon positionable to represent data en
tries on the slides, means for moving the slides
in succession, each to an entry receiving position
and back again, means for sensing a record card,
column by column, for data representations there
in, entering means for the slides operative to posi
tion the elements thereon, means coordinated
with said sensing means for causing said moving
means causing the elements of the said one de
vice to be responsive to the operation of the mag
nets in successive order, and means controlled
by the said one device when entries have been
in a predetermined number of elements
means to move the slides in succession and begin
ning with the ñrst slide in the series as successive 65
card columns are sensed, said entering means
thereof for rendering the second entry receiving
device responsive to the operation of said set of
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