US2688916A - Statistical machine - Google Patents

Statistical machine Download PDF

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Publication number
US2688916A
US2688916A US251665A US25166551A US2688916A US 2688916 A US2688916 A US 2688916A US 251665 A US251665 A US 251665A US 25166551 A US25166551 A US 25166551A US 2688916 A US2688916 A US 2688916A
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type
carrier
character
platen
stops
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US251665A
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English (en)
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Baldwin Richard Everest
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Powers Samas Accounting Machines Ltd
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Powers Samas Accounting Machines Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems

Definitions

  • This invention relates to statistical machines and in particular to a method of and apparatus for printing a record of data sensed from a vertical column of a statistical record card.
  • Apparatus heretofore proposed for producing printed records of data sensed from statistical record cards has usually employed type-carrying bars, or sectors, or type wheels, each of which carries the full range of type characters from which selection is to be made and the rate at which such apparatus can operate is restricted to a speed of the order of 120 to 150 lines per minute. It is a main object of the present invention to provide an apparatus for producing printed records of data sensed from statistical record cards which apparatus will operate at a relatively high speed, that is a speed of the order of 400 lines per minnte.
  • a method of printing a record of data sensed from a vertical column of a statistical record card comprising-the steps of disposing type characters around the peripheries of a plurality of type-carrying elements mounted for angular movement in a carrier therefor, selecting a type character and aligning it with a platen for a printing operation by sliding or rocking the carrier relative to the platen and by angularly moving the type-carrying elements, and effecting relative movement between the carrier and the platen to effect the taking of an impression from the character aligned with the platen.
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a platen, a plurality of angularly movable typecarrying elements having type characters disposed around the peripheries thereof, a carrier supporting said plurality of type-carrying elements for angular movement and mounted for movement relative to said platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen, character-selecting means to effect angular movement of the type-carrying elements simultaneously to select to character on each said element for alignment with the platen, locating means selectively to position the type-carrying elements in or substantially in impression-taking relation with the platen, and actuating means to effect relative movement between the platen and said carrier to cause an impression to be taken from the type characters aligned with the platen.
  • Figure 1 is a side elevation of a printing apparatus according to the invention
  • Figure 2 is a view partly in section of the apparatus shown in Figure 1 and,
  • Figure 3 is a view, to an enlarged scale, of a part of the apparatus shown in Figure 2.
  • the apparatus shown therein is arranged to be operated in accordance with data sensed from perforated statistical record cards.
  • the record cards are fed inknown manner to, sensing mechanism which, being well-known, is not described herein but which, in one embodiment, comprises mechanism which includes sensing pins arranged to pass through perforations in av record, card during a sensing operation and to operate transmission elements I which impart. a setting to stops 2 contained in a stop basket 3.
  • the arrangement of the stop basket and the manner of operation thereof is similar to that described in United States patent specification No. 1,245,502, the
  • the stops 2 are spaced somewhat differently from the. manner in which they are spaced in the aforesaid prior specification.
  • the stop basket includes twelve stops 2 corresponding respectively to the 0 to 9 positions in a vertical column of a record card and to the A and B positions.
  • the stop basket includes twelve stops 2 corresponding respectively to the 0 to 9 positions in a vertical column of a record card and to the A and B positions.
  • the carrier for the type-carrying ele ments is provided with a depending element comprising a first abutment having an abutment face IE to be engaged by one or other of the A, B or E) stops as will be described below and with a further abutment face i! which is arranged to abut against a restoring bar It for the carrier when the bar is in its forward position as shown in Figure 2.
  • Each of the type-carrying elements l, 5, 5, 1 is, as can be seen from the drawings, of relatively small diameter and has ten notches i9 formed in its periphery forming teeth to engage with corre sponding teeth on the toothed characterselecting element l4, and the peripheral faces M of the teeth formed between the notches it have type characters formed thereon.
  • the four typecarrying elements between them accommodate a range of predetermined type characters, the accommodation being for forty characters, ten for each of the four type-carrying elements or wheels. If it is desired not to use the full character capacity of a wheel one or more of the peripheral faces may be a blank having no character formed thereon.
  • cams 30 are arranged to move the platen so that it is oscillated towards and away from a type-carrying element in impression-taking position and soeffect a printing operation on a web P of paper which is fed by any suitable mechanism, not shown, to and from printing position by feeding rollers 33, 3G.
  • a transfer medium such as an ink ribbon which may be fed across the path of the type elements by employing any suitable known form of ribbon feeding mechanism, such mechanism, of course, being provided with reversing devices as is well understood in the art.
  • the printing operation may, as will be well understood, be effected on superposed webs interleaved, in known manner, with carbon webs or provided with other means whereby a plurality of copies may be made during a printing operation.
  • the carrier for the type-carrying elements is retained in its starting position, now shown, to the right of Figure 2 by the restoring bar 18 which is carried by a pair of links 36 supported by levers 3i, pivoted at 38 to brackets 39 secured to .the'
  • the lower edges of the plates l2 comprising the carrier are provided with four notches it to be engaged by a pawl i i, pivoted at ie to an angle member 456 supported by bell cranks 4?, Fig. 1, pivoted at A8 to the frames of the machine.
  • Links 49 connected to the bell cranks il are oscillated by a cam roller 56 co-operating with a cam 5! on the shaft 3!.
  • the cam roller is supported by an arm 52 secured to a spindle 53 to which are also secured arms 54 connected to the lower end of the links Q9.
  • the arrangement is such that when the links 48 are moved upwards, as viewed in Figure 1, the pawl M is moved into engagement with one or other ofthe notches 43 according to-the type-carrying element which is in printing position and moves the carrier therefor a short distance to the right, as viewed in Figure 2, so that the abutment i5 is moved slightly out of engagement with the stop by which it was arrested.
  • the stops are arranged that they arrest the type-carrying elements in a position which is slightly beyond the printing position and the pawl M positively moves the carrier a. short distance in the reverse direction and locates it accurately in impression-taking position with relation to the platen.
  • the toothed character-selecting element M with which the type-carrying elements are in mesh is provided with a depending portion 5 5 which comprises a second abutment to be arrested by one or other of the stops 2 representative of the one to nine positions in the vertical column of the card.
  • the toothed characterselecting element It is moved to a starting position, not shown, to the right of Figure 2, by a restoring bar 55, the restoring bar being supported by a pair of links 51 connected to arms 53 pivoted at 38 to the bracket 39 and the arms 58 support a cam follower 59 which engages a cam 60 on the shaft 3
  • the restoring bar 56 is moved to its furthest position to the left,
  • the toothed characterselecting element. Ht is caused to" follow the restoring bar due to: the action. of arspring 8 until the abutment 55 is arrested by one or other of the one to nine stops or by the restoring bar 56' at the end of its travel.
  • the upper face of the toothed character-selecting element [4 is provided with ten notches 62: with which there movement therewith.
  • the pawls 4'4 and 63 are held in raised position out of engagement with the notches 43 and 62 respectively until the carrier for the type-carrying elements and the toothed character-selecting elements have been arrested by their respective stops in the stop basket 3.
  • the platen When the appropriate type character has been aligned with respect to the platenlZZ, the platen is moved downwards by the cam 39', as described above, so that an impression is made. on the web P.
  • Means is provided to accommodate slight differences in the heights of the characters and to this end there is provided beneath the carrier a resilient pad comprising aplate 12, Figs. 2- and 3, guided for movement in a vertical path by vertical guides it, M.
  • a resilient pad comprising aplate 12, Figs. 2- and 3, guided for movement in a vertical path by vertical guides it, M.
  • At the upper ends of theguides are portions which overlie the path of the plate 12 and a spring T5 beneath the plate tends to urge it upwards into engagement with said overlying portions.
  • the said overlying portions are slotted so that the plate 12 is engaged by the carrier during an impression-taking operation and the plate '12 moves against the action of the springs T5.
  • the appropriate transmission elements I are actuated to set up the stops 2 associated therewith, whereupon the restoring bars i8 and 56 are caused to move to the left, as viewed in Figure 2, so that. the carriers for the type-carrying elements and the associated toothed elements M move to the left, as viewed in Figure 2, from their starting positions until each is arrested, by the appropriate stop.
  • the pawls M and 63 then engage the carrier and the toothed character-selecting element respectively to move the carrier and the toothed character-selecting element slightly to the right and out of engagement with the stops by which they were arrested, thus aligning the selected type character with the platen 22 which is then operated to effect an impression-taking operation.
  • the restoring bars are then again 6. moved tothe right, as viewedin Figure 2 and fully restore the carrier and the toothed charaoter-selecting element [4 to their" starting posi# tions.
  • any one of four characters may be disposed in printing relation with the platen, but the particular one from which printing is to be effected is determined by the positionin which the carrier for the type-carrying element is arrested, as will be understood from the foregoing description.
  • the abutment 55 of the toothed character-selecting element M is of a length such that it possesses a certain degree of resilience, thus reducing the impact stress. between the abutment and a stop 2 or the restoring bar 56.
  • the springs 6 i and 42 are heavy in weight and light in pull, so that when a toothed element 14 or its carrier is sharply arrested the spring associated therewith continues to travel, thus stretching the end of the spring which is connected to the member and so causing a sharp increase in the pull which holds the member against rebounding.
  • each card column in the printing mechanism according to the present invention there is provided a carrier and type-carrying elements 4, 5, 5, 1 over the peripheries of which are interspersed the characters of a-range from which selection is to be effected, and a toothed character-selecting element I4 associated therewith.
  • the restoring bars I8, 56, the angle members 46, E5, the platen 22, and the buffer plate 2, however, are common to all the columns for which type-carrying elements. are provided.
  • the stops 2 in the stop basket 3 may be set up from any suitable form of sensing mechanism, thus the sensing mechanism may comprise sensing pins arranged positively to engage and actuate the transmission elements I, or electrical impulses may, as is well known in the art, be generated as a result of a sensing operation and these impulses may be employed to effect the setting of the stops 2.
  • the sensing mechanism may comprise sensing pins arranged positively to engage and actuate the transmission elements I, or electrical impulses may, as is well known in the art, be generated as a result of a sensing operation and these impulses may be employed to effect the setting of the stops 2.
  • apparatus for producing a printed record of'data sensed from a vertical column of a statistical record car, apparatus comprising a platen, a plurality of angularly movable type-carrying elements each having a part of a predetermined range of type characters disposed around the peripheries thereof, a carrier supporting said pluralityof type-carrying elements for angular movement in the same plane and mounted for movement relative to said platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen, character-selecting means to efiect angular movement of the type-carrying elements simultaneously to select a character on each said ele ment for alignment with the platen, locating means selectively to positionthe type-carrying elements in impression taking relation with the platen, and actuating means to effect relative movement between the platen and said carrier to cause an impression to be taken from the type character aligned with the platen.
  • apparatus for producing a printed record of data sensed from a vertical column of a staistical record card, apparatus comprising a platen, a plurality of angularly movable toothed type-carrying elements each having a part of a predetermined range of type characters formed on the peripheral faces of said teeth, a carrier supporting said plurality of type-carrying elements for angular movement in the same plane and mounted for movement relative to said platen to: position a selected one'of the type-carrying elements in impression-taking position relative to the platen, a toothed character-selecting element engaged'by the teeth of each of the plurality of type-carrying elements and movable relative to said carrier to effect angular movement of the type-carrying elements simultaneously to select a character on each said type-carrying element for alignment with the platen, locating means selectively to position the type-carrying elements in impression-taking relation with the platen,
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said'ba'sket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed type-carrying elements each having a part of a predetermined range of type characters formed on the peripheral faces of said teeth, a carrier supporting said plurality of type-carrying elements for angular movement in the same plane and mounted for movement relative to said platen toposition a selected one of the type-carrying elements in impression-taking position relative to the platen, a toothed character-selecting element engaged by the teeth of each of the plurality of type-carrying elements and movable relative to said carrier to effect angular movement of the type-carrying elements simultaneously to select a character on each said type-carrying element for alignment with the platen, a
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed type-carrying elements each having a part of a predetermined range of type characters formed on the peripheral faces of said teeth, a carrier supporting said pluralityof type-carrying ele- 8 ments for angular movement in the same plane and mounted for movement relative to said platen to position a selected one of the type-carrying elements in impression-taking position relative to' the platen, a toothed character-selecting element engaged by the teeth of each of the plurality oftype-carrying elements and movable relative to said carrier to effect angular movement of the type-carrying elements simultaneously to select a.
  • tuating means to effect relative movement be- 20 tween the platen and said carrier to cause an impression to be taken from the type character aligned with the platen, and restoring bars to engage said abutments and respectively restore said carrier and character-selecting element to a'starting position from which they are movable to impression-taking position.
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed type-carrying elements having type characters formed on the peripheral faces of said teeth, a carrier supporting said plurality of type-carrying elements for angular movement and mounted for movement relative'to said platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen, a toothed character-selecting element engaged by the teeth of each of the plurality of typecarrying elements and movable relative to said carrier to effect angular movement of the typecarrying elements and simultaneously to select a character on each said type-carrying element for alignment with the platen, a first abutment movable with said carrier for engagement with a stop of one said
  • apparatus for producing a printed record, of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed type-carrying elements having type characters formed on the peripheral faces of said teeth, a carrier supporting said plurality of typecarrying elements for angular movement and mounted for movement relative to said platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen, a toothed character selecting element engaged by the teeth of each of the plurality of type-carrying elements and movable relative to said carrier to effect angular movement of the type-carrying elements simultaneously to select a character on each said typecarrying element for alignment with the platen, a first abutment movable with said carrier for engagement with a stop of one said group of stops to determine
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed type-carrying elements having type characters formed on the peripheral faces of said teeth, a carrier supporting said plurality of typecarrying elements for angular movement and mounted for movement relative to said platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen, a toothed character-selecting element engaged by the teeth of each of the pinrality of type-carrying elements and movable relative to said carrier to effect angular movement of the type-carrying elements simultaneously to select a character on each said typecarrying element for alignment with the platen, a first abutment movable with said carrier for engagement with a stop of one said group
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a' stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed typecarrying elements having type characters formed on the peripheral faces of said teeth, a carrier supporting said plurality of type-carrying elements for angular movement and mounted for movement relative to said platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen, a toothed character-selecting element engaged by the teeth of each of the plurality of type-carrying elements and movable relative to said carrier to effect angular movement of the type-carrying elements simultaneously to select a character on each said type-carrying element for alignment with the platen, a first abutment movable with said carrier for engagement with a stop of one said
  • impression to be taken from the type character aligned with the platen and restoring bars to engage said abutments and respectively restore Q said carrier and character-selecting element to a starting position from which they are movable to impression-taking position.
  • apparatus for producing a printed record. of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed type-carrying elements having type characters formed on the peripheral faces of said teeth, a carrier supporting said plurality of typecarrying elements for angular movement and mounted for movement relative to said platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen, a toothed character-selecting element engaged by the teeth of each of the plurality of type-carrying elements and movable relative to said carrier to effect angular movement of the type-carrying elements simultaneously to select a character on each said typecarrying element for alignment with the platen, a first abutment movable with said carrier for engagement with a stop of one said group
  • aligning means positively to move the carrier and character-selecting element rearward slightly to disengage the abutments from their arresting stops and position the selected character for impression-taking
  • actuating means to effect relative movement between the platen and said carrier to cause an impression to be taken from the type character aligned with the platen
  • restoring bars to engage said abutments and respectively restore said carrier and characterselecting element to a starting position from which they are movable to impression-taking position, one said restoring bar in its forward posi- I tion acting as a stop for said carrier to locate one of the type-carrying elements in or substantially in impression-taking position and the other bar in its forward position acting as a stop for the character-selecting element to determine one character-selecting position thereof.
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups,
  • a platen a plurality of angularly movable toothed type-carrying elements having type characters formed on the peripheral faces of said teeth, a carrier supporting said plurality of type-carrying elements for angular movement and mounted for movement relative to said platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen,
  • said group of stops to determine which of the type-carrying elements is to be disposed in impression-taking position, a second abutment movable with said character-selecting element for engagement with a stop of another group of stops to determine type character selection, said stops being so located relative to the platen as to arrest the carrier and character-selecting element in positions slightly in advance of the impression-taking position, notches formed respectively in said carrier and character-selectin element, pawls movable in timed relation with the carrier and character-selecting element to engage in said notches and positively move the carrier and character-selecting element rearward slightly to disengage the abutments from their arresting stops and position the selected character for impression-taking, actuating means to effect relative movement between theplaten and said carrier to cause an impression to be taken from the type character aligned with the platen and restoring bars to engage said abutments and respectively restore said carrier and characterselecting element to a starting position from which they are movable to impression-taking position, one
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed type-carrying elements having type characters formed on the peripheral faces of said teeth, a carrier supporting said plurality of type-carrying elements for angular movement and mounted for movement relative to said platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen, a toothed character-selecting element engaged by the teeth of each of the plurality of typecarrying elements and movable relative to said carrier to effect angular movement of the typecarrying elements simultaneously to select a character on each said type-carrying element for alignment with the platen, a first abutment movable with said carrier for engagement with a stop of one said group of
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed type-carrying elements having type characters formed on the peripheral faces of said teeth, a carrier supporting said plurality of typecarrying elements for angular movement and mounted for movement relative tosaid platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen, a toothed character-selecting element engaged by the teeth of each of the plurality of type-carrying elements and movable relative to said carrier to effect angular movement of the type-carrying elements simultaneously to select a character on each said type-carrying element for alignment with the platen, a first abutment movable with said carrier for engagement with a stop of one said
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed type-carrying elements having type characters formed on the peripheral faces, of said teeth, a carrier supporting said plurality of type-carrying elements for angular movement and mounted for movement relative to said platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen, a toothed character-selecting element engaged by the teeth of each of the plurality of typecarrying elements and movable relative to said carrier to effect angular movement of the typecarrying elements simultaneously to select a character on each said type-carrying element for alignment with the platen, a first abutment movable with said carrier for engagement with a stop of one said group
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed type-carrying elements, having type characters formed on the peripheral faces of said teeth, a carrier supporting said plurality of typecarrying elements for angular movement and mounted for movement relative to said platen to position a selected one of the type-carrying elements in impression-taking position relative to the platen, a toothed character-selecting element engaged by the teeth of each of the plurality of type-carrying elements and movable relative to said carrier to effect angular movement of the type-carrying elements simultaneously to select a character on each said type-carrying element for alignment with the platen, a first abutment movable with said carrier for engagement with a stop of one said
  • apparatus for producing a printed record of data sensed from a vertical column of a statistical record card, apparatus comprising a stop basket, settable stops in said basket the stops being arranged in columns representative of data positions in vertical columns of a record card and the stops of each column being disposed in groups, a platen, a plurality of angularly movable toothed type-carrying elements having type characters formed on the peripheral faces of said a first abutment movable with said carrier for engagement with a stop of one said group of stops to determine which of the type-carrying elements is to be disposed in impression-taking position, a recond abutment movable with said character-selecting element for engagement with a stop of another group of stops to determine type character-selection, said stops being so located relative to the platen as to arrest the carrier and character-selecting element in positions slightly in advance of the impressiontaking position, notches formed respectively in said carrier and character-selecting element, pawls movable in timed relation with the

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
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US2787953A (en) * 1953-04-02 1957-04-09 Anker Werke Ag Print device shifiting means for effecting interspersed printing
US2853940A (en) * 1953-12-31 1958-09-30 Burroughs Corp Type ban groups in record controlled printing machines
US2867168A (en) * 1953-11-06 1959-01-06 Ibm Printer positioning mechanism
DE1124751B (de) * 1960-03-31 1962-03-01 Ibm Deutschland Impulsgesteuertes Druckwerk
US3371602A (en) * 1966-04-18 1968-03-05 Ncr Co Serial type printer with disc-type carrier
US3596594A (en) * 1968-04-22 1971-08-03 Nippon Telegraph & Telephone High-speed printer employing plural print heads and paper feed expedients

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US1882766A (en) * 1928-06-20 1932-10-18 Tabulating Machine Co Printing mechanism for tabulating machines
US1909550A (en) * 1931-10-29 1933-05-16 Tabulating Machine Co Printing device
US2027916A (en) * 1932-06-13 1936-01-14 Remington Rand Inc Addressing machine
US2034112A (en) * 1934-07-10 1936-03-17 Remington Rand Inc Interpreting and printing device
US2181996A (en) * 1938-08-26 1939-12-05 Ibm Perforated card interpreter
US2399724A (en) * 1943-06-24 1946-05-07 Ibm Alphabet printing mechanism
US2438071A (en) * 1944-12-23 1948-03-16 Ibm Perforated card controlled alphabet and numeral printer

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US1882766A (en) * 1928-06-20 1932-10-18 Tabulating Machine Co Printing mechanism for tabulating machines
US1909550A (en) * 1931-10-29 1933-05-16 Tabulating Machine Co Printing device
US2027916A (en) * 1932-06-13 1936-01-14 Remington Rand Inc Addressing machine
US2034112A (en) * 1934-07-10 1936-03-17 Remington Rand Inc Interpreting and printing device
US2181996A (en) * 1938-08-26 1939-12-05 Ibm Perforated card interpreter
US2399724A (en) * 1943-06-24 1946-05-07 Ibm Alphabet printing mechanism
US2438071A (en) * 1944-12-23 1948-03-16 Ibm Perforated card controlled alphabet and numeral printer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2787953A (en) * 1953-04-02 1957-04-09 Anker Werke Ag Print device shifiting means for effecting interspersed printing
US2867168A (en) * 1953-11-06 1959-01-06 Ibm Printer positioning mechanism
US2853940A (en) * 1953-12-31 1958-09-30 Burroughs Corp Type ban groups in record controlled printing machines
DE1124751B (de) * 1960-03-31 1962-03-01 Ibm Deutschland Impulsgesteuertes Druckwerk
US3371602A (en) * 1966-04-18 1968-03-05 Ncr Co Serial type printer with disc-type carrier
US3596594A (en) * 1968-04-22 1971-08-03 Nippon Telegraph & Telephone High-speed printer employing plural print heads and paper feed expedients

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Publication number Publication date
GB703270A (en) 1954-02-03
NL165379B (nl)
FR1048588A (fr) 1953-12-22
CH298698A (fr) 1954-05-15

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