US1902060A - Printing mechanism - Google Patents

Printing mechanism Download PDF

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Publication number
US1902060A
US1902060A US410127A US41012729A US1902060A US 1902060 A US1902060 A US 1902060A US 410127 A US410127 A US 410127A US 41012729 A US41012729 A US 41012729A US 1902060 A US1902060 A US 1902060A
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Prior art keywords
type
groups
selecting
printing
lever
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Expired - Lifetime
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US410127A
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English (en)
Inventor
Dechene Peter
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Tabulating Machine Co
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Tabulating Machine Co
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  • This invention relates to record card controlled machines and more particularly to the printing mechanism of such a machine in which alphabetical printing is desired.
  • Fig. 1 is a detailed elevation of type selecting and printing mechanism.
  • Fi 2 is the same as Fig. 1 shown in the position of selecting a type element for print- Tig. 3 is a tabulation showing the letter groups and the index positions associated therewith.
  • Fig. 4 shows a portion of a record card punched to spell a word.
  • This printing mechanism may be substituted for or used in part with the printing mechanism shown and described in the application of C. D. Lake, Serial No. 639,153, filed May 13, 1923, now Patent No. 1,822,594.
  • the card feed, brush sensing mechanisms and controls have not been shown, they being the same as described in the Lake application mentioned above.
  • the impulses transmitted from the sensing brushes by virtue of perforations in the cards passing the brushes effects the printing magnets to select the proper notch 1n the type bar carrier in the same manner and thereforefor the sake of simplicity the type bar carrier and coacting selecting mechanisms only are shown.
  • a cross head 10 which is moved upwardly in timed relation to the passage of record cards beneath sensing brushes, not shown, situated in another part of the machine.
  • sensing brushes As the method of card feed and the use of sensing brushes is generally known and fully described in the application to Lake previously mentioned and per se form no part of the present invention, it is deemed unnecessary to illustrate or explain them in detail.
  • a comb 11 fixed to the cross head 10 has slidably mounted therein a plurality of type carrier members 12. Abutting the end of each of these members is a lever 13 pivoted to a bracket 14 fixed to the cross head.
  • the lever 13 is biased upwardly by the spring 15 so that when the cross head rises the members are raised by spring pulled lever 13 until such time as the locking pawl 16 engages one of the teeth 17 integral. with the. member 12 at which time the member 12 is halted and the continued. rising of the cross head causes the lever 13 to yield through the resiliency of the spring 15.
  • a rack 18 Integral with the upper end of the member 12 is a rack 18 which meshes with a gear 19 pivoted at 20 to a lever 21 said lever being pivotally mounted at 22 to a bar fixed to the frame of the machine (not shown).
  • the lever 21 is biased by a spring 23 in a clockwise direction about its pivot 22 to normally hold the gear 19 in mesh with the rack 18.
  • a disk 24 Fixed to the gear 19 is a disk 24 having on its periphery raised alphabetical ty e indicia 25.
  • the dis 24 rotates in a clockwise direction and the teeth 17 pass the locking pawl in synchronism with the passage of the index point positions of the card under the sensing brushes in another part of the machine.
  • the sensing brush encounters a perforation it releases the pawl coacting with its corresponding type carrier member to engage the notch corresponding to that particular index point position.
  • the sensing brush encounters a perforation it releases the pawl coacting with its corresponding type carrier member to engage the notch corresponding to that particular index point position.
  • a card is perforatedinthe fifth index point position of the column corresponding to the mechanism shown in Figs.
  • the member 12 will rise-in synchronism with the travel of the card and as the sensing brush encounters the perforation at the fifth index point position the fifth notch 17 will be opposite the locking pawl 16 and the magnet 27* will receive an electric impulse by virtue of the contact made by the sensing brush through said perforation.
  • Saidimpulse energizes magnet 27 and releases the locking pawl to engage the notch 17, and the mechanism is timed to bring the E type indicia into printing position when; the member 17 reaches its final locked position prior to the printing operation.
  • the alphabet is divided into three groups AI, JR, SZ (Fig. 3) these groups being assigned to the index point positions 1-9 inclusive, column 28 (Fig. 3) representing the index point positions relative to the alphabet.
  • the index point position 9 may designate either of the three letters A, J, S or the position 8 may designate either of the letters B, K. T, and so on as clearly shown in Fig. 3.
  • the alphabetical type therefore is placed around the periphery of the disk 24 ina corresponding manner, thus A, J, S, B, K, T, C, L, U, etc. as shown in Fig. 1.
  • the selection of one of the three letters for a given index point position is determined by the presence or absence of perforations at the 0 index point position or at both the O and 11 index point positions If a perforation appears at the 6 index hole position only in a column the letter D will be printed; if at the 6 and 0 index point posi-' tions, the letter M will be printed; and if in 1 addition to the perforations in the two positions ust mentioned there is a third perforation encountered at the 11 index point position, the letter V will be printed.
  • Fig. 4 illustrates how a card may be perforated to spell the Word Hot which is made up of three letters, one from each group. Although the the 0 or 11 index point position in the preferred embodiment described herein, it will be understood that these holes may follow the primary selection or first hole at any position following the same.
  • the locking of the member 17 in the proper' position to cause a designated letter to be printed is accomplished by the pawl 16 which is pivotally mounted atc28 to a lever 29 and is biased in a clockwise direction by the spring 30.
  • the lever 29 is pivotally mounted on a rod 31 which extends across the printing bank of the machine, said lever being normally held in the position shown in Fig. 1 by the action of the spring 32 fastened to said lever at one end and to the frame of the machine (not shown) at the other.
  • a latch 33 pivoted at 34 supports the arm 16 of the locking pawl 16 normally holding it out of contact with the notches on the member 17.
  • a link 35 pivotally connects the latch 33 with an armature lever 36, said lever being pivotally mounted at 37 to the frame of the machine.
  • A. spring 38 biases the armature lever 36 in a clockwise direction thereby normally holding the armature away from its coacting electromagnet 27 and holding the latch 33 in latching position.
  • Pivotally mounted to the link 35 is a pawl 38 coacting with ratchet teeth 39 on the peripheryof a disk 40, said pawl being held in coacting relationship with said ratchet teeth by means of the spring 41.
  • the disk 40 is rotatably mounted on a rod 42 which is supported by the frame of the machine (not shown).
  • the disk 40 is biased in a clockwise direction by a coiled spring 43, one end of which is fixed to said disk and the other end to the rod 42.
  • the disk 40 has provided on its periphery a second series of ratchet teeth 44 and three position steps 45, 46 and 47 with which the lever 29 coacts to position the proper type element for printing.
  • a pawl 48., pivoted at 49 and biased in a counterclockwise direction by spring 50 coacts with the ratchet teeth 44.
  • the end of the pawl 48 is fastened by a pin and slot connection to a link 51 the other end of said link being pivotally fastened to an armature lever 52, pivoted at 53 and coacting with an electromagnet 54.
  • Said armature lever 52 is resiliently held away from its coacting magnet 54 by a spring 55.
  • Fixed to the link 51 is a pin 56 which coacts with the pawl 38 to withdraw it from the ratchet teeth 39 when the magnet 56 is energized.
  • the perforation at the 11 index point position causes a third impulse to be sent through the magnet 27 which advances the disk 40 another notch and presents the stop position 47 to the contact point of lever 29 so that the member 17 rises slightly further turning the lever 29 until it rests on said stop position 47, which moves the type element W into printing position.
  • Printing is effected by energization of a magnet 60 occurring when the cross head has reached the limit of its upward travel.
  • said magnet attracts its armature 61 fixed to a lever 62 pivoted at 63, at one end, the other end being formed into a hook shape which coacts with a stirrup 64 which rests in an indentation in an extended arm 65 integral with the lever 21.
  • the stirrup 64 is pulled downwardly causing the lever 21 to swing counterclockwise about its supporting pivot 22, thus movthe gear 19 and rack 18 become disengaged,
  • a brake 69 slidably fastened to the lever 21 by a pin and slot connection 7 0.
  • This brake is normally held in its up position (Fig. 1) by means of the spring 71. Touching the upper side of the brake is a roller 72, ournalled in a bifurcated end of a lever 73, pivoted at 74 and biased in a clockwise direction by the spring 75.
  • the brake is wedge-shaped, there is an upward thrust against the roller 72 when the lever 21 is swung to the right.
  • the brake 69 is forced downward against the type to lock the disk 24 from rotating.
  • the sideward thrust of the roller 72 is compensated by the resilient spring 75.
  • a printing mechanism having a type carrier, a plurality of type divided into groups on said carrier and means for selecting the individual type in the groups by repeated operations of a single operating member during a single printing operation of said printing mechanism.
  • a printing mechanism having a plurality of type divided into groups, an operating member for selecting both the groups and the individual type within the groups and means cooperating with said member to effect group selection by the number of operations of said member and the individual type by the timing of the operations.
  • a printing mechanism having a plurality of type divided into groups, an operating member for selecting both the groups andthe individual type within the groups and means for selecting both the groups and the individual type Within the groups and a single electromagnet for operating said mechanism to select the groups by the number of energizations of said electromagnet and the indi- .vidual type within the groups by a single energization of said electromagnet.
  • a printing mechanism having a plurality of type divided into groups, mechanism for selecting both the groups and the individual type Within the groups and a single electromagnet for operating said mechanism to select the groups according to the number of energizations of said electromagnet and the individual type within the groups by the timing of the energization of said electromagnet.
  • a printing mechanism having a plurality of type divided into groups, selecting mechanism having a single operating member for normally selecting the individual type Within a predetermined group said selecting mechanism also comprising mechanism cooperating with said single member to effect selectlon of other groups on repeated operations of said member during a single printing operation of said printing mechanism.
  • a printing mechanism having a plurality of type divided into groups, electromagnetically controlled selecting mechanism for normally selecting the individual type Within a predetermined group, a single control electromagnet for said selecting mechanism and mechanism cooperating with the selecting mechanism to effect selection of type within other groups on repeated operations of said control electromagnet.
  • a printing mechanism adapted to be controlled by records bearing index points comprising a plurality of type divided into groups, mechanism for selecting the groups and the individual type within the group including means responsive to the location of index points on a record for selecting the individual type and means cooperating with said first named means and responsive to any number of index points on a record including two in addition to the first mentioned index point for selecting the groups.
  • a printing mechanism adapted to be controlled by records bearing index points
  • a printing mechanism adapted to be controlled by records bearing index points, comprising a plurality of type divided into groups, mechanism responsive to data designating index points on records for selecting the individual type and mechanism cooperating with said last named mechanism and responsive to any number of index points on a record including two in addition to the first mentioned data designating index points, for selecting the groups.
  • a printing mechanism adapted to be controlled by records bearing index points comprising a plurality of type divided into groups, a single selecting device for selecting both the groups and the individual type Within the groups, mechanism responsive to data designating index points on records to control said single selecting device for selecting the individual type and mechanism responsive to any number of index points on a record including two in addition to the first mentioned data designating index points to control said single selecting device for selecting the groups.
  • a printing mechanism comprising a plurality of type divided into groups, a selecting member adapted by the time of its operation to select the individual type and having a plurality of operated positions to select the groups, means for Operating said selecting member at diflerent times to select the individual type and means for selecting the operated position of said selecting member to select the groups.
  • a printing mechanism comprising a plurality of type divided into groups, a selecting member adapted by the time of its operation to select the individual type and having a plurality of operated positions to select the groups, means for operating said selecting member at different times to select the individual type, means for selecting the operated position of said selecting member to select the groups and a common operating device for both of said means.
  • a printing mechanism comprising a plurality of type divided into groups, a selecting member adapted by the time of its operation to select the individual type and having a plurality of operated positions to select the groups, means for operating said selecting member at different times to select the individual type, means for selecting the position of said member when operated and a common operating device for both of said eeaoeo means for selecting the type by a single timed operation and for selecting the grbups by repeated operations.
  • a printing mechanism having a type carrier with a plurality of groups of type thereon and having the type of one group intermediate the type of another group, means for moving said type carrier into different positions, a stop member for determining the printing positions of said carrier, means for operating said stop member for selectin the difierent type and means for controlling the position of said stop member when operated for selecting the groups.
  • a printing mechanism having a type carrier with a plurality of groups of type thereon and having the type of one group intermediate the type of another group, means for moving said type carrier into difierent positions, a stop member for determining the printing positions of said carrier, means for operating said stop member for selecting the individual type, means for controlling the position of said stop member when operated for selecting the groups and a common operating device for both of said means.
  • a printing mechanism having a type carrier with, a plurality of groups of type thereon and having the typeof one group 39 intermediate the type of another group,
  • a stop member having a plurality of difierent operated positions for arresting the type carrier in its different printing positions, means for timing the operation of said stop member to select the individual type, means for controlling the position of said stop member when operated, and a common electromagnet for operating said first named means from a single impulse and said second named means from repeated impulses.
  • a printing mechanism having a type carrier with a plurality of groups of type thereen and having the type of one group intermediate the type of another group, a member for moving said carrier into different positions and a ratchet on said member, a stop pawl cooperating with said ratchet to stop the carrier in difi'erent positions, a cam cooperating with said pawl to control its positions when operated to permit selection of all groups of type and a common operating device to release ai'd pawl for cooperation 55 with the ratchet at different times to select individual type and to operate said cam to conzrol the position of the pawl when operate In testimony whereof I hereto aflix. my. 0 signature.

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US410127A 1928-12-18 1929-11-27 Printing mechanism Expired - Lifetime US1902060A (en)

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DE1902060X 1928-12-18

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744946C (de) * 1938-03-05 1944-01-31 Hollerith Maschinen Ges M B H Durch Zaehlkarten gesteuerte druckende Geschaeftsmaschine
US2647457A (en) * 1953-08-04 Ticket issuing and printing machine
US2720833A (en) * 1954-08-13 1955-10-18 Cons Edison Co New York Inc Methods and arrangements for carrying out postcard billing operations and the like
US2771025A (en) * 1953-11-02 1956-11-20 Ibm Print impression mechanism
US2867168A (en) * 1953-11-06 1959-01-06 Ibm Printer positioning mechanism
US2929314A (en) * 1953-07-20 1960-03-22 Olivetti & Co Spa Printing mechanism for business machines
US2999001A (en) * 1959-10-22 1961-09-05 Pannier Corp Fluid actuated servo index
US3094064A (en) * 1960-01-04 1963-06-18 Ibm Positioning mechanism in selective type printing machines
US3171348A (en) * 1958-07-19 1965-03-02 Wetzer Hermann Type wheel indexing mechanism in high speed printing and counting devices
US3839957A (en) * 1971-06-08 1974-10-08 Burroughs Corp Electro-mechanical printer
WO1981001684A1 (en) * 1979-12-06 1981-06-25 Ncr Co Impact printer

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647457A (en) * 1953-08-04 Ticket issuing and printing machine
DE744946C (de) * 1938-03-05 1944-01-31 Hollerith Maschinen Ges M B H Durch Zaehlkarten gesteuerte druckende Geschaeftsmaschine
US2929314A (en) * 1953-07-20 1960-03-22 Olivetti & Co Spa Printing mechanism for business machines
US2771025A (en) * 1953-11-02 1956-11-20 Ibm Print impression mechanism
US2867168A (en) * 1953-11-06 1959-01-06 Ibm Printer positioning mechanism
US2720833A (en) * 1954-08-13 1955-10-18 Cons Edison Co New York Inc Methods and arrangements for carrying out postcard billing operations and the like
US3171348A (en) * 1958-07-19 1965-03-02 Wetzer Hermann Type wheel indexing mechanism in high speed printing and counting devices
US2999001A (en) * 1959-10-22 1961-09-05 Pannier Corp Fluid actuated servo index
US3094064A (en) * 1960-01-04 1963-06-18 Ibm Positioning mechanism in selective type printing machines
US3839957A (en) * 1971-06-08 1974-10-08 Burroughs Corp Electro-mechanical printer
WO1981001684A1 (en) * 1979-12-06 1981-06-25 Ncr Co Impact printer
US4308795A (en) * 1979-12-06 1982-01-05 Ncr Corporation Low energy impact printer

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