US2044120A - Sorting machine - Google Patents

Sorting machine Download PDF

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Publication number
US2044120A
US2044120A US547822A US54782231A US2044120A US 2044120 A US2044120 A US 2044120A US 547822 A US547822 A US 547822A US 54782231 A US54782231 A US 54782231A US 2044120 A US2044120 A US 2044120A
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Prior art keywords
card
interpreter
sensing
gates
pins
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Expired - Lifetime
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US547822A
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English (en)
Inventor
William W Lasker
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Unisys Corp
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Remington Rand Inc
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Priority to US547822A priority Critical patent/US2044120A/en
Priority to NL58157A priority patent/NL38241C/xx
Priority to FR724077D priority patent/FR724077A/fr
Priority to DEA66435D priority patent/DE651631C/de
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Publication of US2044120A publication Critical patent/US2044120A/en
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K13/00—Conveying record carriers from one station to another, e.g. from stack to punching mechanism
    • G06K13/02—Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
    • G06K13/08—Feeding or discharging cards
    • G06K13/14—Card magazines, e.g. pocket, hopper

Definitions

  • This invention relates to card sorting machines for general purposes and more particularly to machines for grouping perforated cards used in accounting and statistical analyzing systems.
  • the invention as herein illustrated is directed to improvements in sorters of the Powers type.
  • Sorting machines of the Powers type have, up to the time of the present invention, possessed the ability to sort perforated cards according to only one code, and that. one the code for which the machine was designed.
  • Types of such machines are those disclosed in the patents to Lasker 1,315,370, dated Sept. 9, 1919, 1,476,161, dated December 4,- 1923, and 1,643,386, dated Sept. 27, 1927.-
  • some machines sort only cards which are perforated according to the old and well known IS-column system, others sort only cards punched according to the equally well known 90-column system and still others perform only according to some other specific code system. In no case has manipulative change from one code to another been possible.
  • the present invention is directed to improvements in sorting machine's, whereby manipulative means permit a single sorting machine to sort cards perforated according to a plurality of types of code.
  • One of the objects of this invention is to modify a well known perforated card sorting mechanism so that it will accurately segregate the cards regardless of whether they are punched according to the single perforation code or according to the combination perforation code.
  • Another object of this invention is to provide means whereby cards perforated in a plurality of fields of the card may be sorted according to the perforations in any preselected field.
  • Another object of this invention is to provide a simple manipulative means to change from straight code sorting to combination code sorting.
  • Anotherobject of this invention is to provide means for sorting according to any one of several c'ombinational code perforations.
  • Another object of this invention is to disclose the basic mechanical principles whereby sorting according to either straight or combination code may be effected regardless of the locations of the perforated field.
  • Another object of the present invention is to suggest basic principles for an extremely wide range of equivalent modes of accomplishing the general results above enumerated.
  • the improvements are embodied in a machine for sorting data record cards, perforated according'to'a plurality of,cods, and involve the combination of card sensing means, pockets for the reception of said cards,'which pockets are under control of gates, and a plurality of optional- 5 1y selectable coupling mechanisms therebetween, whereby the gates are controlled by' a series of substitutions according to the indices perforated in the cards.
  • Fig. 1 is a fragmentary sectional view taken from the right side of a usual form of the well known Powers sorting'machine with the invention embodied therein.
  • Fig. 2 is a sectional view taken from the same position as Fig. 1 showing an attachment which is applied to the sorting machine and illustrating an embodiment of the invention comprising a series of interponents placed at a break in the Bowden wires which operate the card gates.
  • Fig. 3 is an isometric view showing the front and side of the mechanism in Fig. 2 set for 45- colu 11, S0rting.
  • Fig. 4- is an isometric view of a typical train of connections showing the 90-column interpreter I mechanism of this invention interposed in the Bowden wire between a sensing pin and a card gate trigger.
  • Fig. 5 is a view similar to Fig.4 illustrating the interponent mechanism for the 9 sensing pin.
  • Fig. 6 is a reduced scale isometric view of the firing lever restoring mechanism.
  • Fig. '7 is a conventionalized diagram of the connections which are necessary for sorting cards perforated according to the so called 45-column system (single hole code)- 40
  • Fig. 8 is a diagram similar to Fig. 7 for sorting cards perforated according to the so called 90- column system (two hole code).
  • Fig. 9 is an exploded isometric view of a portion of the firing lever controlling latches showing particularly the 9s control mechanism.
  • Fig. 10 is an isometric view of the connections between the interpreter. wires for 45-column sorting as seen from the right and front of the machine.
  • Fig. 11 is a reduced view of an ordinary punched card showing 45-column perforations in zone a, lower field 90-column perforations in zone b, and upper field 90-column perforations in zone c;
  • Field is that portion of a card which lies be tween two lines, either real or imaginary, drawn parallel to the long edges of the card.
  • Zone is that portion of a card which lies between two lines, either-real or imaginary, drawn parallel to the short edges of the card.
  • combination perforations As an example of combination perforations the odd digits may be represented by a single perforation and the even digits by two co-columnar perforations. way of representing the even digits is to associate any single odd digit perforation with the perforation which would represent 9 to represent the next higher consecutive even digit.
  • cards with twelve positions in each column and representing the even digits by combination code the desired doubled capacity can be secured without disturbing the usual columnar spacing of the now well known card.
  • a card with multiple perforations, equivalent to thatjust described will be, called a 90-column card.
  • the digits occurring in arithmetic are symbols representative of quantities and similarly the perforations in a punched card may also be regarded as symbols. These symbols are related..to the'd'igit symbols by some conventional rule or codifying system. 'It therefore follows that the perforation in a card is really a substitution.
  • a punched card is read by a sensing mechanism certain elements are displaced, such displacements characterize digits and may, hence, be called symbols.
  • Such displacements are necessarily related tothe positions of the perforations, by the law or codifying action of the sensing device and therefore the mechanical displacement is in mathematical terms, a. substitution.
  • Such a series of substitutions may conveniently include a norm or standard form.- That is, given a certain code, the substitutions may be so made as to reduce it to a simple standard code from which the substitutions may be continued to yield the desired final code.
  • a substitution to a norm is particularly convenient since it permits of the conversion from substantially any given code to substantially any other given code, and the procedure may, if desired, be regarded as two complete substitution cycles, the norm being merely a substitution of the original data, condition two.
  • the device of the present invention is, therefore, particularly adapted to receive a series of cards having perforations therein according to a given code, indicating certain data or information, and to deposit them in pockets which are marked to correspond to the indices perforated in the cards.
  • the cards to be sorted are stacked and weighted in the magazine 2
  • the cards are fed one at a time from the bottom of the stack by a suitably located, power driven, harmonically operated picker 22 to the first of a series/of pairs of power driven feed rolls 23. These feed rolls convey the card to the second pair of feed rolls.
  • the said card stop is mounted to move synchronously with the harmonically moving power driven sensing pin box supporting cross head 25.
  • the sensing pins 26, which are mounted on the cross head 25 descend sufliciently .to read the perforation (or perforations as the case may be) in the column to which the sensing pins 26 have been previously adjusted.
  • Any sensing pin 26 (or pins as the case may be) which passes through a; perforation in the card is automatically locked so as to be immovable with respect to the descending cross head 25.- Continued descent of the cross head will cause positive actuation of the core of the corresponding Bowden wire 21 to position (through mechanism to be described more fully hereinafter) a rotating disksupported trigger 28. The positioning of any trigger 28 opens a card gate 30 corresponding to the perforation, or perforations, which have been sensed during the downward movement of the cross head 25.
  • the lower of the first pair of feeding rolls 23 is driven, preferably, by a belt from a suitable prime mover such as 20.
  • the lower horizontal row of feed rolls 23 are positively connected through a gear train so as to rotate synchronously in the same direction.
  • the shaft 33 is driven by a pinion mounted on the shaft which supports one of the idlers of the feed roll train, and carris an eccentric foroscillating the picker, and a. pair of eccentrics for reciprocating the cross head.
  • the triggers 28 are supportedon disks rigid with the shaft 34 which is driven in a any suitable manner from shaft 33.
  • a suitable gear train drives shaft 35, which shaft drives the upper of the pairs of transporting rolls 32.
  • the feed rolls 23a eject the card to a position where-it will be engaged by the first of the pairs of transport rolls 32' (except that it happens the holes in the card have caused the gate 30 of the l2" receptacle to open).
  • the transport rolls 32 carry the sensed card onward, usually at progressively decreasing speed, until it reaches the opened card gate 30 of the pocket or receptacle 3
  • the sensing pins 26 may have the form 11- lustrated in Fig. 4 whichcorresponds to thatof Fig. 5 in cited Lasker Patent 1,476,161, which is suchthat any one, or any group, can be locked over the sensing pin disabling bar 36'.
  • Fig. 4 whichcorresponds to thatof Fig. 5 in cited Lasker Patent 1,476,161, which is suchthat any one, or any group, can be locked over the sensing pin disabling bar 36'.
  • those sensing pins 26 which correspond to the six possible perforations of the lower half of the card are disabled.
  • the pins corresponding to the upper half of card field are disabled when sorting in the lower half of the card.
  • none of the sensing pins will be disabled, except as is described in the Patent 1,476,161 to Lasker.
  • zone 1 the first twelve columns, constituting zone "a are perforated to represent consecutively the digits from 0 to 9 inclusive and also those perforations usually designated as H and I2 which is the usual 45-column practice.
  • zone 1 show perforations in the lower field of the card corresponding to the consecutive array of digits 0 to 9 inclusive, thus a 0 corresponds to the usual 4, 1 corresponds to the usual 5, combined perforations of the usual 5 and 9 correspond to 2, the
  • afn object of this invention is to provide a simple mechanism which will cause the sorting machine to function in substantially the usual manner whether sorting is according to the single perforations indicated in zone a. or according to the combination perforations in either zone 1) or zone 0. Itis thus seen that the sorter as improved by this invention is in reality three different machines in one.
  • the gist of my invention consists, in part, of a series of interponents placed at a convenient break in the usual Bowden wire card gate controls of a sorting machine.
  • Such interponents comprise a series of bellcrank levers 43 '(Figs. 2-5) for operating the one or the other of two sets of interpreter wires 6l-62 for releasing firing latches 46-41 to operate the trigger setting ends of the Bowden wires 29.
  • the elements comprising the interponent assembly are supported and carried by'a pair of rigidly connected side frames 40 (Fig. 3) which has turned over ears by which the entire assembly may be secured by suitable means, such as screws, to the main frame member 4
  • the side plates 40 are rigidly held in spaced relation to each other by a pair of bell crank guiding combs 42, the firing which through the medium of Bowden wires 23 actuate the triggers which control the card gates 30.
  • the side plates 40 support the ends of a rod 44 upon which are journaled the bell cranks 43; a rod 53 upon which are journaled the spring urged latches 54; and the rod 46' on which are described the matrix to joumaled the pairs of hubbed firing levers 46, 41.
  • the side plates 40 are provided with notches which serve as open bearings for the pintles II which support .the partially rotatable interpreter cage 56. v
  • the inte preter cage 56 (Figs. 2, 3, 7 and 8) consists of a pair of end disks held in rigid relation to each other by four perforated bars 51 and 58 and a pair of cross rods 60 thus making a rigid cage for supporting and guiding the sets of doubly oil-set interpreter wire 6! and the lat-- erally off-set interpreter wires 62.
  • Each of the perforated bars 58 is constructed of two parts so as to facilitate the assembly of the interpreter wires 6
  • the end plates of cage 56 and the frames 40 are provided with studs 63 for anchoring thesprings '64 (Figs.
  • a small hand'lever 65 provided with a slot through which extends one of the cage supported studs 63, thw providing the means for rotating the interpreter cage 56 so that either of the sets of interpreter wires 62 or ii may be placed between the bell crank levers 43 and latches 54 as most clearly shown in Fig. 2.
  • a small hand'lever 65 provided with a slot through which extends one of the cage supported studs 63, thw providing the means for rotating the interpreter cage 56 so that either of the sets of interpreter wires 62 or ii may be placed between the bell crank levers 43 and latches 54 as most clearly shown in Fig. 2.
  • formed sheet metal cover 68 (Fig. 1) is provided which may be attached in any suitable manner.,...- The cover 68 is provided with a long narrow slit through which the adjusting lever 65 extends .and a scale which indicates whether the cage 56 is set with interpreter wires 62 .in position to interpret 45-column cards, or with interpreter wires 6
  • each sensing pin 26 controls a Bowden wire21 each of which has a predetermined lay. These wires are supported immediately beneath the card receptacles, and terminate in a suitably supported terminal block 66 (Figs.- 2 and 3). Each of the cores of Bowdenwires 21 terminates in the usual plunger for acting on its individual bell crank 43. A typical train of the mechanism of this invention is shown in Fig. 4. There it is seen that downward movement of a locked sensing pin 26 will displace the core of Bowden wire 21 to rock the loosely pivoted bell crank 43 anti-clockwise and elevate a corresponding interpreter wire 6
  • the spring urged latch 54 is rocked anti-clockwise releasing a firing lever 46, which is rocked clockwise by the comparatively strong spring 61, thus shifting the core of the corresponding Bowden wire 29 -to set the usual pin for the tripping trigger 2B.
  • the trigger arrives at approximately its highest position during the continuous rotation of shaft 34. it will open the card gate 30 (Fig. 1) to receive the correspondingly sensed card which arrives at the opened gate shortly thereafter.
  • the trigger setting Bofilen wires 29 are provided with'the usual plungefs slidably mounted in the terminal block 52 whence they are extended under the frame of the machine to their respective trigger operating terminal...
  • the train of mechanism shown in Fig. 4- is typical of that corresponding to zero or any.
  • the Ss firing lever 410 is provided with a short laterally extending pin 11 which is engaged by a hook on the upper edge of thespecial latch 15 when the latter rocks anti-clockwise ger 54 by any interpreter wire 6i (except the 9) causes the special latch 15 to lock the 9's firing lever 41c against operation.
  • the majority of the latches 54 latch two firing levers against operation; the one, 41, is provided with a downwardly extending hook, the other, 46,
  • the 45- column interpreter wires are specially connected. These connections are diagrammatically illustrated in Fig. 10.
  • the interpreters operated by 75 the 6, i2, 4, 8 and 2 sensing pins are stubs which do not directly operateon latches 54, (see also Figs. and 7). Each of the remaining seven interpreter wires is directly operative upon its corresponding latch 54.
  • Rigidly attached to each of the stub interpreter wires 88 is a laterally extending arm 86 for operating an adjacent interpreter wire 62.
  • An off-set arm 81 is rigidly attached with the interpreter wire operated by the 2 sensing pin to operate the interpreter wire associated with the I sensing pin.
  • the collars 85 are shown conventionally and indicate that the interpreter wires 62 may be operated either by the arms 86 or 81, or by the corresponding lever 43.
  • the interpreter-wire 62, associated with the digit 9 is fixed to the yoke 90, and a projection on said yoke is slidable with respect to the interpreter wire 62 associated with the digit 2.
  • Projections on the yoke 98 overlie all of thestub wires 88, so that the operation of any stub interpreter wire 88 usually causes the operation of its associated wire 82 and in addition thereto the wire associated with 9.
  • the set of connections shown in 'Fig. 10 insures the correct selection of the firing lever 46 or 41, which lever is then released and actuates the opening of the 4 card gate which corresponds to the perforation sensed.
  • release latch H and bail 12 move in unison due to the resilient connection through spring 13.
  • the special latch H be urged to a position such that 9's firing lever 41 is latched against operation.
  • a spring 18 (Figs. 2 and 3) attached to a forwardly extending projection of one of the supporting side arms of the universal bail 12.
  • the resiliently connected elements comprising universal bail I4 and special latch must be urged to a position such as to normally prevent operation of the 9s firing lever 41c.
  • alight spring 88 (Fig. 2) extending from a stud rigid with a side plate and a hook on one of the supporting arms of the universal ball 14.
  • the lever 83 may be extended to the midpoint of said rod.
  • the restoring arm 83 is positively operated by a cam 84 (Figs. 1 and 6) mounted on the trigger disk carrying'shaft ,34.
  • a cam 84 FIGs. 1 and 6 mounted on the trigger disk carrying'shaft ,34.
  • Fig. 12 there appears in the first column aseries 'of numbers. These are representative of the twelve possible perforations in a column of a' card and are arranged according to the usual manner of naming these positions.
  • the second column shows by letters the connections through wire 21 to terminal block 66 (Fig. 3). That is the sensing pin in the 12" position terminates at h in block 66.
  • the third column also shows a series of letters identical to those in the second column.
  • the table is then read thus: Sensing pin l2 actuates wire 21h to cause the movement of lever 43h.
  • the fourth column, headed Interpreter wires 62 shows a series of letters which indicate the specific interpreter wires that are moved by the actuation of the preceding element of mechanism.
  • pin I 2 actuates in turn wire 21h, lever 43h and through members 86 and 98 (Figs. 7 and 10) interpreters 62c, 6272, and 622'.
  • the fifth column shows the firing lever combination which is affected by the activity of the next preceding member, namely, interpreterwire 62. In the particular instance these are levers 48s, He and 410 (Figs. 4, 5, and 9).
  • Column six shows the numbers of the effective, that is fired levers. In the illustrative example, using sensing pin l2, mechanism associated with 9's firing lever latch 1
  • the series of letters in column seven indicate the respective wires 29 which are actuated by the release of a firing lever, in the present illustra-' tion, h.
  • the eighth column shows the number oi the card pocket which is controlled.
  • Fig. 13 the performance of the various elements in sensing a column, or double capacity, card and selecting the appropriate pocket 3
  • a card is perforated in the upper half, or zone, and in positions H and 3.
  • Wires 212' and 27] are displaced androck levers 431' and 43). These cause the interpreter GM with its tied-in interpreter 6H and interpreter 6b with its tied-in wire 81c to be elevated (see Fig, 8).
  • i i causes the unlatching of firing levers 46b and 47b and interpreter 6
  • an oscillatable assembly comprising an interpreting device including dual sets or elements operable by said data sensing means for interpreting sensed data in accordance with any of the said plurality of codes, card gates controlled by said interpreting device, and manual means for alternatively setting said oscillatable assembly to bring one or the other of said dual sets of elements into operative position.
  • a reciprocatory sensing mechanism In a machine of the class described, a reciprocatory sensing mechanism, card gates controlled thereby, and interponents between said sensing mechanism and card gates, which interponents comprise a set of displacement transmitting elements actuated by said sensing mechaments in operative position.
  • a reciprocatory sensing mechanism for reading any of a plurality of codes, card gates controlled thereby, and interponents between said sensing mechanism and said card gates, which interponents include sets of displacement transmitting elements, a rockable interpreter cage comprising dual sets of elements for transmitting displacements in accordance with a given one of said plurality of codes.
  • a reciprocatory sensing mechanism including optionally active sensing pins, card gates controlled thereby, interponents between said pins and said card gates, which interponents include a set of interpreteractuating levers, dual sets of rockably mounted alternatively operative interpreter elemenbs and sets of firing levers actuated by said interpreter elements for selecting said card gates.
  • a recip- 5 rocatory sensing mechanism for sensing perforations in records, card gates controlled thereby, interponents between said sensing mechanism and said card gates, which interponents include sets I of displacement transmitting elements, a rockably settable interpreter cage containing plural sets of alternatively operative interpreters, a set of interpreter actuating levers and plural sets of firing levers, said cage and levers being between the said sets of displacement transmitting elements.
  • reciprocatory sensing pin mechanism including a plurality of optionally active sensing pins, a displacement transmitting element associated with each 4 sensing pin, an interpreter displaced by the last named elements, means whereby one sensing pin may displace a plurality of interpreters, sets of firing levers controlled by said interpreters, and means controlled bythe said interpreters for releasing only one firing lever of one of the sets of firing levers.
  • interponents between saidpins and said gates which interponents comprise sets of displacement transmitting elements
  • an interpreter unit having plural sets of interpreter elements mounted therein and oscillatably disposed between said sets of displacement transmitting elements and manipulative for alternatively placing one or the other of said sets of interpreter ele- 8.
  • a series of optionally active sensing pins In a machine 01' the class described, a series of optionally active sensing pins, a corresponding series of card gates controlled thereby, plural sets of displacement transmitting interponents between said pins and said card gates, a set of interpreter actuating levers'and plural sets of firing levers between said sets of displacement transmitting interponents, an interpreter cage mounted on pintlesand containing plural sets of interpreters between said sets of levers, and a sin- 70 gle manipulative device for alternatively rocking said interpreter cage to place one interpreter of a said set of interpreters in position to be operated by one of said active sensing pins.
  • a series of optionally active sensing pins and a corresponding series of card gates selectable thereby, groups of displacement transmitting interponents between said pins and said gates, said groups being arranged in sets, a rockably mounted interpreter cage between said displacement transmitting interponents, and a single manipulative means associated with said cage to cause each of said pins to select a gate appropriateto' the setting of said interpreter cage.
  • a set. of card gates controllable thereby, and dual sets of displacement transmitting interponents between said pins and said gates, a rockably mounted interpreter cage between said sets of displacement transmitting interponents, and asingle manipulative means for rocking said interpreter cage.
  • a unit between said sets of displacement transmitting interponents which -unit comprises a set of interpreter actuating levers, plural sets of interpreters, plural sets of firing levers and latches therefor, means con-.
  • plural sets of optionally active record sensing pins and a set of card gates controllableby any of said sets of pins, sets of displacement transmitting interponents between said pins and said gates with a set of interpreter actuating levers, plural sets of optionally selectable interpreters, plural sets of firing levers and latches therefor between said sets of displacement transmitting interponents, means controlled by'said interpreters for unlatching said firing levers, additional means controlled by said interpreters for controlling the selection of a single firing lever, means independent of .the set of active sensing pins for controlling the opening of a'card gate, and optionally operable manipulative means for selecting the set of pins to be made active. 16.
  • plural sets of optionally active sensing pins and a. set of card gates to be selected by any set of said pins, a series of mechanical displacement transmitting nterponentsbetween said pins and said gates, which interponents generate a series of mechanical substitutions, and a single optionally operable rockable manipulative. means for determining the character of the said substitutions.
  • plural sets of optionally active sensing pins for sensing perforations according to difiering codes, a set of card gates to be selected by any of said sets of pins, 9. series of mechanical displacement transmitting interponents between said pins and said gates for generating a series of substitutions and oscillatable optionally operable manipulative means for determining the character of the said substitutions whereby any setting of said manipulative means insures that said substitution is identical to the code.
  • a set of card gates to be selected by any set of said pins, of a series of mechanical displacement transmitting interponents, including plural setsof interpreters between said pins and said gates, means for causing the said interponents to generate difiering series of substitutions, and oscillatable manipulative means for determiningthe series of substitutions to be generated.
  • the combination of sensing pins adapted to perform according to either straight or combination code, mechanism operated thereby to select card gates, said mechanism comprising dual setsof displacement transmitting elements, and. a switching device therebetween which may be turned on its mountings and thereby set according to the code in which the cards are perforated.
  • a manually rockable translating device comprising dual sets of translating members, one
  • said sets being adapted to receive impulses according to a known code from a number of sources greater than the number of translating members, to translate said impulses to a basic code and to re-translate said impulses to the original code and actuate impulse transmitting elements
  • the other of said 'sets being adapted to receive impulses according to a diflferent code from a number of sources equal to the number of translating members, to translate said impulses to the same basic code and re-translate said impulses to the code of said first set to actuate said impulse transmitting elements.
  • a set of translating members adapted to receive impulses according to a known code and translate said impYflses to a basic code
  • another set of translating members adapted to receive impulses according to a dverent code and translate said impulses to said basic code
  • a suitable rockable mounting for said sets of translating members to permit the optional selection of either of said sets of translating members
  • sets of levers operable by said translating members for transmitting the impulses received from said translating members and a universal means associated with said levers for selecting a single lever .of one of said sets.
  • a device for transmitting coded impulses comprising a plurality of spring actuated levers. arranged in pairs, latches for restraining said levers, means for efiecting the selectig n of a pair of said levers and universal means associated with said levers for releasing in the selected pair one lever which is appropriate to the coded impulses received.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
US547822A 1931-06-30 1931-06-30 Sorting machine Expired - Lifetime US2044120A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US547822A US2044120A (en) 1931-06-30 1931-06-30 Sorting machine
NL58157A NL38241C (enrdf_load_html_response) 1931-06-30 1931-08-20
FR724077D FR724077A (fr) 1931-06-30 1931-09-09 Perfectionnements aux machines à trier les cartes perforées d'appareils calculateurs
DEA66435D DE651631C (de) 1931-06-30 1932-06-30 Maschine zum Auswerten von nach einem Kombinationssystem gelochten Karten

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US547822A US2044120A (en) 1931-06-30 1931-06-30 Sorting machine
NL58157A NL38241C (enrdf_load_html_response) 1931-06-30 1931-08-20
FR724077T 1931-09-09

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DE (1) DE651631C (enrdf_load_html_response)
FR (1) FR724077A (enrdf_load_html_response)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552202A (en) * 1948-09-18 1951-05-08 Remington Rand Inc Card-sorting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552202A (en) * 1948-09-18 1951-05-08 Remington Rand Inc Card-sorting machine

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FR724077A (fr) 1932-04-21
DE651631C (de) 1937-10-20

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