US2056391A - Printing mechanism - Google Patents

Printing mechanism Download PDF

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Publication number
US2056391A
US2056391A US739760A US73976034A US2056391A US 2056391 A US2056391 A US 2056391A US 739760 A US739760 A US 739760A US 73976034 A US73976034 A US 73976034A US 2056391 A US2056391 A US 2056391A
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carriage
card
printing
brushes
contacts
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US739760A
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George F Daly
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International Business Machines Corp
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International Business Machines Corp
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/04Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by rack-type printers

Definitions

  • This invention relates to tabulating machines and more particularly to improvements in the printing mechanisms therefor.
  • the main object of the invention is to provide 5 an improved printing mechanism for printing alphabetical characters as well as digits in which the type characters are moved into printing position in a positive manner.
  • the preferred means comprises a type carrying member provided with a plurality of groups of type, one group, for example, being numeral type; a second, substantially a third of the letters of the alphabet; a third, the second third of the letters of the alphabet; and last, if so desired, the remaining letters of the alphabet.
  • the several groups of type are overlapped so that a numeral type is followed by a type of each of the other three groups and the numeral type are arranged to be normally presented to the printing line as perforations in Hollerith record cards register with the usual record analyzing brushes.
  • Each group of alphabetic type is represented on the record card with what is known as a zoning perforation. These perforations apply only to the alphabetic characters, the numerical characters being indicated by single perforations in the usual manner and the alphabetic characters being indicated by a numerical perforation accompanied by a zoning perforation, thus forming a two-hole combinational reading.
  • the numerical perforations are first sensed and cause the type bar to be positively advanced from a position of rest to present the numerical type corresponding to the location of the perforation to printing position.
  • the zoning holes are analyzed by the same set of analyzing brushes and cause the further positive advance of the type bar to select one of the type adjacent to the numeral type in accordance with the location of the zon ing perforation on the record card.
  • a further object of the invention is to provide printing mechanism responsive to perforations in a record card whereby repeated printing operations may be effected from the same record card.
  • two card analyzing stations are usually provided and known as the upper and lower brush stations.
  • analysis of alphabetical designations may be made as the record card passes the upper brushes and printing effected accordingly.
  • analysis may be made of alphabetic des- 1934, Serial No. rsatcc (or. nor-es) ignations in another portion of the card and caused to control the same section of the printing mechanism.
  • This arrangement has particular utility in printing names and addresses where the name is on one portion of the card and the address on another.
  • Fig. l is a central section of the printing mechamsm.
  • Fig. 2 is an outside view of the printing mechanism, showing some of the driving cams.
  • Fig. 3 is a position view at an enlarged scale of the essential parts of the printing mechanism.
  • Fig. 4 is a detail isometric view showing the arrangement of the stopping teeth on the type bar.
  • Fig. 6 is a time chart of certain of the operations of the machine showing the relationship therebetween.
  • Fig. '7 is a detail view of the type bar carriage operating cams.
  • Fig. 8 is a fragment of a card showing the combinational arrangement of the perforations.
  • Fig. 9 is a diagrammatic View of the card feeding and analyzing mechanism.
  • Fig. 10 is a detail of certain cam controlled contacts associated with the card feeding mechanism.
  • Fig. 11 is a circuit diagram of the electric wiring of the printing circuits of the machine.
  • Fig. 12 is a sample of a record showing the manner in which successive lines of alphabetic data are printed from the single record card.
  • the record card R has the usual perforations for indicating numerical values as shown at the right end of the card.
  • the alphabetical characters from A to I are combinations of one of the numerical characters from 9 to 1 plus a perforation in the R index point position.
  • Characters J to R comprise a perforation in one of the numerical positions 9 to 1 plus a perforation in the X index point position.
  • the remaining letters of the alphabet namely, S to Z,
  • the record cards R are placed in the usual feed magazine (Fig. 9) from which they are fed one by one by the picker ll into engagement with the usual feed rollers l2 which convey the cards downwardly past the usual upper analyzing brushes U13 and exactly one machine cycle later past the lower analyzing brushes LB, after which the cards continue downwardly into the usual stacker mechanism (not shown).
  • the card feeding mechanism shown in Fig. 9 is or the usual structure found in this type of machine. In the present instance, however, provision is made for suppressing operation of the picker H and the uppermost pair of feed rollers for a cycle of operations so that the preceding card may first be completely passed through the machine. The manner in which this is effected will now be described.
  • Shaft i3 may be driven continuously from a suitable source of power during the operation of the machine and is adapted to make one revolution for each cycle of operations.
  • gear-- ing generally designated M
  • the three lower pairs of feed rollers 32 are rotated to advance the card after it has passed the upper brushes UB.
  • a gear E5 on shaft l3 drives a gear 15 to which is secured a clutch driving element ll rotatable on the shaft I8.
  • Secured to the shaft 18 is an arm l9 which has secured thereto a gear 28 which meshes with a gear 2 l
  • through eccentrically attached link 22 operates the picker H once each revolution of gear 2
  • a spring-pressed dog 23 Carried by arm i9 is a spring-pressed dog 23 which is normally in engagement with driving element II so that the parts rotate in unison.
  • a member 24 is normally adapted to be latched in the dotted line position by armature 25 and magnet 25. Energization of magnet 26 will release the member 24 so that it will assume its full line position and cause dog 23 to rock out of engagement with element l1 thereby interrupting the operation of picker H and uppermost feed rollers l2.
  • the pin 2'! carried by 8981' I5 Toward the end of the cycle the pin 2'! carried by 8981' I5 will engage a laterally extending arm of member 24 and rock the same to its dotted line or latched position so that operation of picker l I will resume after an interruption of a single cycle.
  • Magneticnet 26 is energized under control of a record analyzing brush 28 located slightly in advance of the brushes U3 and is adapted to sense a special designation indicating the presence of a so-called "
  • Sensing of such perforation will cause energize.- tlon of magnet 26 in a manner to be pointed out in connection with the description of the circuit diagram whereby the interruption of the operation of the upper pair of feed rolls l2 will permit the address card to completely traverse both the upper and lower brushes before the next card is fed.
  • Shaft 58 (Fig. 10) carries a com 233 which cooperates with follower roller 30 on arm 3!.
  • Arm 3i carries a ball 32 of insulating material which serves to hold contacts 33, 34 in the position shown in Fig. 10 whenever shaft i8 is disconnected from driving engagement with the shaft 13. When the parts are connected, the ball 32 is lowered throughout the major portion of the cycle so that contacts 34 are closed and contacts 33 open. The manner in which the contacts function and the circuits which they control will be further explained in connection with the circuit diagram.
  • the printing type bar is designated 35 in Fig. 1 and carries at its upper end the type head 36 provided with type elements 31 horizontally slidable in the head 36.
  • the bars 35 are suitably guided for vertical reciprocation in the frame of the machine.
  • Each type bar carries a pawl 38 pivoted thereto which is connected to a hook 39 which is normally held in the position shown in Fig. 1 by a latch 45 which, when the type bar is in its lowered or restored position, tends to hold hook 39 upwardly against the tension of its spring at and bell crank 38 is accordingly held in the position shown.
  • a notched member 42 Integral with car 35 is a notched member 42 whose upper end terminates in a finger 63 which also cooperates with latch Ml and restrains the type bar 35 against upward movement.
  • carriage 44 Extending across type bars 35 is a so-called carriage 44 which is given an invariable vertical reciprocation cach cycle of the machine from the position shown in Fig. 1 to that of Fig. 3 and back again.
  • Carriage 44 is provided with a succession of ledges 45 numbered 9 to 1 and these ledges successively pass the toe of pawl 38 as the carriage moves upwardly. At differential times during the upward movement of the carriage pawl 38 may be permitted to rock in a clockwise direction into engagement with one of the ledges 45.
  • the carriage is provided with pairs of rollers 52 (Fig. 1) which ride upon a vertical track 53.
  • the lower end ot the carriage is connected by a.
  • shaft 58 is shown as having secured thereto a double armed cam follower member 59 which cooperates with complementary cams 60 secured upon shaft 6!.
  • Shaft Si is adapted to make a single revolution for each cycle of the machine and may be suitably geared to shaft 03 of Fig. 9 for rotation in synchronism therewith so that each shaft will make one revolution per cycle of the machine.
  • each type bar is pro- .vided with a pin 52 which, when the type bar moves upwardly, will permit counterclockwise rocking of a member 63 pivoted to the lower end of a latch tit so that the left end of member 63 will engage a ball 65.
  • bail be is rocked clockwise and in those positions in which the type bar has advanced member t3 will be drawn toward the left causing clockwise rocking of the attached latches M.
  • the latches be normally hold spring-pressed printing hammers 68 in the position shown and since hammer restoring bail bit is out of engagement with the hammers at this time, unlatching by M will permit printing to take place and the type elements on the printing line will be urged against platen ill.
  • the operating mechanism for bails 65 and 6b is shown in Fig. 2 where shaft Sill supporting bail St has secured thereto the bell crank iii connected by a link ii to an arm i2 integral with a double armed cam follower member i3 whose rollers cooperate with a pair of complementary cams M mounted on shaft ti.
  • carriage 44 is in synchronism with the movement of the record cards past the analyzing brushes in such manner that the ledges 9, 8, 7, etc., successively pass the toe of pawl 3b as the corresponding index point positions of the record cards pass the analyzing brushes.
  • a secondary carriage i8 is moved upwardly.
  • Carriage it has pivoted thereon spring-pressed pawls it normally held in the position shown in Fig. l by latches 8t spring-biased in a clockwise direction.
  • the latches til are provided with upwardly extending fingers ti which, as carriage it moves upwardly, come within the range of members tit pivoted at 83.
  • members ii? are connected to links bi so that energization of any magnet it will rock its member 82 clockwise causing counterclockwise rocking of the member dd so that pawl it will be urged into engagement with notched member if and, depending upon the time of energization of member 69, bar 35 will be advanced by carriage it an additional 1, 2, or 3 steps to select the first, second or third alphabetic character adjacent to the previously selected numerical character.
  • Fig. 3 The position of the parts for the selecting of the character P is shown in Fig. 3 wherein carriage M is shown in its extreme upward position and pawl 38 in its dotted line position indicates the extent to which it is advanced by car'- riage it after having been tripped into engagecarriage M at the upper end of its stroke.
  • magnet 49 may be energized twice during the cycle in response to each of the pair of combinational perforations, it is desirable to effect restoration of the armature 50 during the interval between energizations of the magnet.
  • This is effected by means of a bail 84 carried by shaft 85.
  • shaft 85 carries an arm 86 whose free end supports a link 87? connected to an arm M on a stud as.
  • Link ti and arm 38 form a. toggle connection whose common center is. connected by a link Qii to a bell crank bi pivoted on shaft 92.
  • the other arm of bell crank ti carries a roller 93 which traverses the periphery of a cam ti mounted on shaft 6 i.
  • the mechanism for elevating carriage iii will now be described.
  • the carriage is supported ohrods ill (Figs. 1 and 2) which are supported in suitable bearings in the frame of the machine.
  • Link 98 connects the frame to cam follower member 99 whose rollers cooperate with a pair of complementary cams tilt carried by shaft 66.
  • pawl iui Carried by frame iii and adjacent to each pawl i9 is an overthrow pawl iti having an arm M2 which, when the carriage it is in its lower or restored position engages a fixed cross member M3 to hold the pawl mi away from the member 42.
  • pawl iui will be free to rock clockwise under the influence of its spring i lid and will move into the path of tabs formed on member M. It will be recalled that frame itl moves upwardly just as the carriage id is at the end of its upward movement and the function of pawl MM is to prevent any overthrow of.
  • the second perforation in the X position causes coupling of the type bar to the carriage H8 at the point indicated loll-X which is at a time when the carriage 44 is at rest.
  • the frame is will therefore further advance the type bar two steps until it also dwells before restoration is efiected.
  • the advance of the type bar is in two distinct steps as the movement of the carriage 34 is completed and a numerical character presented to the printing line before the type bar is coupled to the secondary carriage which then advances it one or two additional steps.
  • the timing clmrt shows that a type bar is coupled to the frame at the point Ind-ll.
  • the tripping of the pawl I9 occurs about a cycle point before this so that the pawl is in engagement with the notched member 42 and moving upwardly therewith but at a slower rate so that immediately upon stopping of carriage 44, pawl I8 will pick up the type bar at point III-ll and continue its advance for three additional steps.
  • the type bar is thus given a continuous movement from restored positionto the alphabetic printing position without interruption.
  • FIG. 11 the entering circuits are shown as extending between lines M0 and i l I.
  • the brushes UB receive current from line HI through the usual card lever contacts UK'JL and circuit breaker I II.
  • the lower brushes LB receive current through lower card lever contacts LCL and circuit breaker H3 while the special brush 28 receives current through upper card lever contact UCLZ and a cam contact Ill timed to make at 9.
  • Record cards bearing name and address will contain a perforation in the 9 index point position of the column traversed by brush it so that the presence of such perforation will complete a circuit through clutch magnet 23 and further feeding will be interrupted until the address card has passed both upper and lower brushes in succession.
  • the circuit for magnets 49 is traceable from line lll, contacts LCL, I I3, brushes LB in the field in which the address" is perforated, through connections iI'o, contacts 33, magnets 49, to line H0.
  • the address will thus be printed in columnar alinement with the name.
  • the detail cards accompanying the address card may contain information relating, for example, to price in the field corresponding to that in which the name is entered on the address card and information relating to, let us say, description, in the field corresponding to that in which the address is entered on the address card.
  • a multi-contact relay H1 which controls normally closed contacts H111 and a pair of contacts lllb.
  • the contacts Illa are wired to print magnets '29 in another section of the machine for printing in columns of the record other than those in which the name and address appear, for example, along the right hand edge of the record shown in Fig. 12.
  • the contacts Illa are wired to print magnets '29 in another section of the machine for printing in columns of the record other than those in which the name and address appear, for example, along the right hand edge of the record shown in Fig. 12.
  • Fig. 12 is shown a specimen record in which the first two lines are printed under control of the address card during the two cycles of the machine during which the address card passes the upper and lower brushes in succession. The other three lines are printed under control of detail cards, there being one line for each detail card and each line of data is printed under control of the lower brushes only.
  • the mechanism for spacing the record is usually operative to effect a line space for each cycle of operation so that the record will appear as in Fig. 12 with a space between the address and the first detail line, this spacing being brought about due to the cycle of operations during which feeding of new cards is suppressed so that during the cycle following the passage of the address card by the lower brushes there will be no printing effected but record spacing will nevertheless take place.
  • the type bar 35 (Fig. 3) is, according to the preceding detail description, normally in restored or lowered position where it remains unless and until its associated magnet 59 is energized at which time the type bar is coupled to the invariably movable carriage M and thereby positively raised to printing position.
  • the over throw pawl fldi engages the type bar to prevent the possibility of overthrowing and carriage it as it moves upwardly may have the type bar 35 coupled thereto, in which event further positive upward movement is imparted to the bar to bring it to a final printing position. It will thus be apparent that the type bar 35 is at all times during its operating movement under the positive and direct control of the frames of the carriages 44 or it and that any retardation or overthrowing is efiectively prevented.
  • means being adapted to uninterruptedly continue the movement of the carrier, in the same direction to present the type element adjacent to said initially presented element to printing position and means for efiecting printing from said adjacent element.
  • a type bar In a. printing mechanism, a type bar, a carriage having an invariable extent of movement, means for connecting said bar to said carriage for movement therewith in one direction, and means efiective at the end of the movement of said carriage for preventing overthrow of the bar beyond the position to which it has been moved by the carriage.
  • a positive drive mechanism for a typebar having alphabetic and numerical type elements thereon comprising a primary type bar carriage adapted to positively advance said bar to present one of the numerical type elements to printing position and a secondary carriage adapted to positively and without interruption continue the movement of the bar to present one of the alphabetic type elements to printing position.
  • a, first and a second analyzing station each comprising a single line of brushes for successively analyzing adjacent fields of arecordcard for combinational representations designating alphabetic information, and means controlled by each station as the same analyzes its associated held for causing the alphabetic information therein to be printed on a separate line of 2. record sheet.
  • a first and a second record analyzing station means for successively feeding detail and address record cards past said stations whereby as a record card passes said first station, another record card is passing said second station, means for determining the presence of an address card and means controlled thereby for interrupting the normal succession of feeding until the address card has completely passed both oi? said stations and means controlled by each station as the same analyzes the address card for causing the data thereon to be printed on separate lines of a. record sheet.

Description

Oct. 6, 1936. G. F. DALY PRINTING MECHANISM Filed Aug. 14, 1934 6 Sheets-Sheet l FIG A TTORNEYS.
Oct. 6, G. F DALY,
PRINTING MECHANISM Filed Aug. "14, 19:54
6 Sheets-Sheet 2 I? INVENTOR. BY 2 l Z ATTORNEYS.
G. F. DALY 2,056,391
PRINTING MECHANISM Filed Aug. 14, 1934 6 Sheets-Sheet 5 Oct. 6, 1936.
3/. 3 DJJJJjry yJD 3%33333333333133333133339 L .1 I I V I j Oct. 6, 1936. DALY 2,056,391
PRINTING MECHANISM Filed Aug. 14, 1934 6 Sheets-Sheet 4 FIG CARD
YPE BIIR CARRIAGE TYPE BAR CARRIAGE CHM ZUNE CARRIAGE CAMS 100 HRNMERTRIP! RESTORING CANS RRMFTURE KNOLKOFF RESTORING C M BDFNJLNPRTVXZ135769 ACEGIKMOQSUWYO246 I ITTORNEYS.
Oct, 6, 136, G. F. DALY PRINTING MECHANISM Filed Aug. 14, 1954 6 Sheets-Sheet 5 FIG.10.
INVENTOR. I
A TTORNEYS.
Oct. 6, .1936. G DALY V I I 2,056,391
PRINTING MECHANISM Filed Aug. 14, 1934 6 Sheets-Sheet 6 FIG".
FIGJZ.
JOHN SMITH COLUMBIA omo 1 :an L. VARNISH 5.22
1 GAL. 53a PAINT 7.40
5 GAL TURPENT! NE 11.00
V? INVENTOR.
a z BY *rff A'TTORNEYS.
Patented ct. 6. 1936 IPRKN'EHNG li/iECzii i George F. lllialy, West Grange, N. 3., assignor to International Business Machines Corporation, New York, N. Y., a corporation oi New York Application August M,
Claims.
This invention relates to tabulating machines and more particularly to improvements in the printing mechanisms therefor.
The main object of the invention is to provide 5 an improved printing mechanism for printing alphabetical characters as well as digits in which the type characters are moved into printing position in a positive manner. In carrying out the present invention the preferred means comprises a type carrying member provided with a plurality of groups of type, one group, for example, being numeral type; a second, substantially a third of the letters of the alphabet; a third, the second third of the letters of the alphabet; and last, if so desired, the remaining letters of the alphabet. The several groups of type are overlapped so that a numeral type is followed by a type of each of the other three groups and the numeral type are arranged to be normally presented to the printing line as perforations in Hollerith record cards register with the usual record analyzing brushes. Each group of alphabetic type is represented on the record card with what is known as a zoning perforation. These perforations apply only to the alphabetic characters, the numerical characters being indicated by single perforations in the usual manner and the alphabetic characters being indicated by a numerical perforation accompanied by a zoning perforation, thus forming a two-hole combinational reading. As the record cards pass the analyzing brushes the numerical perforations are first sensed and cause the type bar to be positively advanced from a position of rest to present the numerical type corresponding to the location of the perforation to printing position.
Following this, the zoning holes are analyzed by the same set of analyzing brushes and cause the further positive advance of the type bar to select one of the type adjacent to the numeral type in accordance with the location of the zon ing perforation on the record card.
A further object of the invention is to provide printing mechanism responsive to perforations in a record card whereby repeated printing operations may be effected from the same record card. In the well known form of I-lollerith tabulating machine, two card analyzing stations are usually provided and known as the upper and lower brush stations. With the present arrangement of printing mechanism, analysis of alphabetical designations may be made as the record card passes the upper brushes and printing effected accordingly. As the card proceeds past the lower brushes, analysis may be made of alphabetic des- 1934, Serial No. rsatcc (or. nor-es) ignations in another portion of the card and caused to control the same section of the printing mechanism. This arrangement has particular utility in printing names and addresses where the name is on one portion of the card and the address on another. Heretofore in machines of this type it has been necessary to provide two record cards, one bearing the name and the other the address and throughout tabulating operations it has been necessary to keep these two related cards together. With the present arrangement, the obvious inconveniences of using two cards are entirely eliminated. In the operation of the machine, so-called address cards which contain a name and address are provided with a distinguishing perforation in a selected index point position and the presence of this perforation is detected before the card arrives at the analyzing stations and its presence causes the machine to pass the address card by the upper and lower brushes completely before the next following record card is advanced.
Other record cards which are not classified as address cards move past the brushes in the normal manner; that is, as one card is passing the lower brushes, the next following card is passing the upper brushes.
Various other objects and advantages of the invention will be obvious from the following particular description of one form of mechanism embodying the invention or from an inspection of the accompanying drawings; and the invention also constitutes certain new and novel features of construction and combination of parts hereinafter set forth and claimed.
In the drawings:
Fig. l is a central section of the printing mechamsm.
Fig. 2 is an outside view of the printing mechanism, showing some of the driving cams.
Fig. 3 is a position view at an enlarged scale of the essential parts of the printing mechanism.
Fig. 4 is a detail isometric view showing the arrangement of the stopping teeth on the type bar.
Fig. 5 is a detail of the type head with a se== lected character in printing position.
Fig. 6 is a time chart of certain of the operations of the machine showing the relationship therebetween.
Fig. '7 is a detail view of the type bar carriage operating cams.
Fig. 8 is a fragment of a card showing the combinational arrangement of the perforations.
. Fig. 9 is a diagrammatic View of the card feeding and analyzing mechanism.
Fig. 10 is a detail of certain cam controlled contacts associated with the card feeding mechanism.
Fig. 11 is a circuit diagram of the electric wiring of the printing circuits of the machine.
Fig. 12 is a sample of a record showing the manner in which successive lines of alphabetic data are printed from the single record card.
Referring to Fig. 8, the record card R has the usual perforations for indicating numerical values as shown at the right end of the card. The alphabetical characters from A to I are combinations of one of the numerical characters from 9 to 1 plus a perforation in the R index point position. Characters J to R comprise a perforation in one of the numerical positions 9 to 1 plus a perforation in the X index point position. The remaining letters of the alphabet, namely, S to Z,
comprise a combination including one of the perforations 9 to 2 plus a perforation in the zero index point position. The record cards R are placed in the usual feed magazine (Fig. 9) from which they are fed one by one by the picker ll into engagement with the usual feed rollers l2 which convey the cards downwardly past the usual upper analyzing brushes U13 and exactly one machine cycle later past the lower analyzing brushes LB, after which the cards continue downwardly into the usual stacker mechanism (not shown). The card feeding mechanism shown in Fig. 9 is or the usual structure found in this type of machine. In the present instance, however, provision is made for suppressing operation of the picker H and the uppermost pair of feed rollers for a cycle of operations so that the preceding card may first be completely passed through the machine. The manner in which this is effected will now be described.
Shaft i3 may be driven continuously from a suitable source of power during the operation of the machine and is adapted to make one revolution for each cycle of operations. Through gear-- ing, generally designated M, the three lower pairs of feed rollers 32 are rotated to advance the card after it has passed the upper brushes UB. A gear E5 on shaft l3 drives a gear 15 to which is secured a clutch driving element ll rotatable on the shaft I8. Secured to the shaft 18 is an arm l9 which has secured thereto a gear 28 which meshes with a gear 2 l The gear 2| through eccentrically attached link 22 operates the picker H once each revolution of gear 2| and also serves to drive the uppermost feed rollers l2. Carried by arm i9 is a spring-pressed dog 23 which is normally in engagement with driving element II so that the parts rotate in unison. A member 24 is normally adapted to be latched in the dotted line position by armature 25 and magnet 25. Energization of magnet 26 will release the member 24 so that it will assume its full line position and cause dog 23 to rock out of engagement with element l1 thereby interrupting the operation of picker H and uppermost feed rollers l2. Toward the end of the cycle the pin 2'! carried by 8981' I5 will engage a laterally extending arm of member 24 and rock the same to its dotted line or latched position so that operation of picker l I will resume after an interruption of a single cycle. .Magnet 26 is energized under control of a record analyzing brush 28 located slightly in advance of the brushes U3 and is adapted to sense a special designation indicating the presence of a so-called "address card.
Sensing of such perforation will cause energize.- tlon of magnet 26 in a manner to be pointed out in connection with the description of the circuit diagram whereby the interruption of the operation of the upper pair of feed rolls l2 will permit the address card to completely traverse both the upper and lower brushes before the next card is fed. Shaft 58 (Fig. 10) carries a com 233 which cooperates with follower roller 30 on arm 3!. Arm 3i carries a ball 32 of insulating material which serves to hold contacts 33, 34 in the position shown in Fig. 10 whenever shaft i8 is disconnected from driving engagement with the shaft 13. When the parts are connected, the ball 32 is lowered throughout the major portion of the cycle so that contacts 34 are closed and contacts 33 open. The manner in which the contacts function and the circuits which they control will be further explained in connection with the circuit diagram.
Printing mechanism The printing type bar is designated 35 in Fig. 1 and carries at its upper end the type head 36 provided with type elements 31 horizontally slidable in the head 36. The bars 35 are suitably guided for vertical reciprocation in the frame of the machine. Each type bar carries a pawl 38 pivoted thereto which is connected to a hook 39 which is normally held in the position shown in Fig. 1 by a latch 45 which, when the type bar is in its lowered or restored position, tends to hold hook 39 upwardly against the tension of its spring at and bell crank 38 is accordingly held in the position shown.
Integral with car 35 is a notched member 42 whose upper end terminates in a finger 63 which also cooperates with latch Ml and restrains the type bar 35 against upward movement. Extending across type bars 35 is a so-called carriage 44 which is given an invariable vertical reciprocation cach cycle of the machine from the position shown in Fig. 1 to that of Fig. 3 and back again. Carriage 44 is provided with a succession of ledges 45 numbered 9 to 1 and these ledges successively pass the toe of pawl 38 as the carriage moves upwardly. At differential times during the upward movement of the carriage pawl 38 may be permitted to rock in a clockwise direction into engagement with one of the ledges 45. When this occurs the .pawl 38 and associated bar 35 will be efiectively coupled to the carriage and will move upwardly therewith to present the digit corresponding to the engaging ledge in printing position. 011 the return movement of carriage 44 the member it will engage a pin 41 in the lower end of bar 35 to cause the positive restoration of the bar and a cam bar 48 extendlng across the top the carriage will engage the toe of pawl 38 rocking it counterclockwise so that hook 39 will be reengaged with latch 40. The initial tripping of pawl 38 is effected under control of printing magnet 49 which upon energization will attract its armature ill and draw spring-pressed link toward the right. The left end of the link is connected to the free end of latch 40 and will accordingly disengage the same from hook 38 so that spring 4| may draw the latter downwardly and rock pawl 38 into engagement with a ledge of carriage. The manner in which carriage 44 is reclprocated will now be described.
The carriage is provided with pairs of rollers 52 (Fig. 1) which ride upon a vertical track 53. The lower end ot the carriage is connected by a.
link 54 (see also Fig. 2) to an arm 55 which in turn is connected by a link 56 to an arm 5! secured upon shaft 58. In Fig. 7, shaft 58 is shown as having secured thereto a double armed cam follower member 59 which cooperates with complementary cams 60 secured upon shaft 6!. Shaft Si is adapted to make a single revolution for each cycle of the machine and may be suitably geared to shaft 03 of Fig. 9 for rotation in synchronism therewith so that each shaft will make one revolution per cycle of the machine.
Referring again to Fig. 1, each type bar is pro- .vided with a pin 52 which, when the type bar moves upwardly, will permit counterclockwise rocking of a member 63 pivoted to the lower end of a latch tit so that the left end of member 63 will engage a ball 65. After the carriage "M has reached its uppermost position, bail be is rocked clockwise and in those positions in which the type bar has advanced member t3 will be drawn toward the left causing clockwise rocking of the attached latches M. The latches be normally hold spring-pressed printing hammers 68 in the position shown and since hammer restoring bail bit is out of engagement with the hammers at this time, unlatching by M will permit printing to take place and the type elements on the printing line will be urged against platen ill. The operating mechanism for bails 65 and 6b is shown in Fig. 2 where shaft Sill supporting bail St has secured thereto the bell crank iii connected by a link ii to an arm i2 integral with a double armed cam follower member i3 whose rollers cooperate with a pair of complementary cams M mounted on shaft ti. I
Bell crank lid is connected by a link it and am it to shaft ll upon which the bail $5 is carried and the timing is such that bail BS is retracted before bail 65 operates to trip the hammers. The hammer tripping mechanism per se forms no part of the present invention and only so much thereof has been described as is necessary for an understanding of the operation.
It will be understood, of course, that the upward movement of carriage 44 is in synchronism with the movement of the record cards past the analyzing brushes in such manner that the ledges 9, 8, 7, etc., successively pass the toe of pawl 3b as the corresponding index point positions of the record cards pass the analyzing brushes. Near the end of the upward stroke of carriage Mi a secondary carriage i8 is moved upwardly. Carriage it has pivoted thereon spring-pressed pawls it normally held in the position shown in Fig. l by latches 8t spring-biased in a clockwise direction. The latches til are provided with upwardly extending fingers ti which, as carriage it moves upwardly, come within the range of members tit pivoted at 83. The upper extremity of members ii? are connected to links bi so that energization of any magnet it will rock its member 82 clockwise causing counterclockwise rocking of the member dd so that pawl it will be urged into engagement with notched member if and, depending upon the time of energization of member 69, bar 35 will be advanced by carriage it an additional 1, 2, or 3 steps to select the first, second or third alphabetic character adjacent to the previously selected numerical character.
The position of the parts for the selecting of the character P is shown in Fig. 3 wherein carriage M is shown in its extreme upward position and pawl 38 in its dotted line position indicates the extent to which it is advanced by car'- riage it after having been tripped into engagecarriage M at the upper end of its stroke.
ment with a ledge 45 under control of the perforation in the 7" index point position of the card, this position being one of the combination associated with the character P. As the carriage l8 subsequently moves upward the reenergization of magnet 49 trips pawl 19 into engagement with the member 42 as shown and bar 35, together with pawl 38, advances upwardly two additional steps, bringing pawl 36 to the full line position and moving the type head 36 two additional steps beyond the 7" position. This, it will be observed in connection with Fig. 5. is the position in which the character P occurs.
Since magnet 49 may be energized twice during the cycle in response to each of the pair of combinational perforations, it is desirable to effect restoration of the armature 50 during the interval between energizations of the magnet. This is effected by means of a bail 84 carried by shaft 85. In Fig. 2, shaft 85 carries an arm 86 whose free end supports a link 87? connected to an arm M on a stud as. Link ti and arm 38 form a. toggle connection whose common center is. connected by a link Qii to a bell crank bi pivoted on shaft 92. The other arm of bell crank ti carries a roller 93 which traverses the periphery of a cam ti mounted on shaft 6 i. As the cam rotates clockwise the arm carrying roller 93 engages and rides upon a. shoe 95 secured to cam 94. As the arm drops off the abrupt edge of the shoe, spring 9% will rock bell crank iii rapidly in a clockwise direction drawing toggle til, 88 across dead center.
During further rotation of the cam 94 the high portion will rock bell crank 9i back to its initial position. It will be observed that the action of the toggle is such as to reciprocate bail M, moving it rapidly toward the left and then back again.
The mechanism for elevating carriage iii will now be described. The carriage is supported ohrods ill (Figs. 1 and 2) which are supported in suitable bearings in the frame of the machine. Link 98 connects the frame to cam follower member 99 whose rollers cooperate with a pair of complementary cams tilt carried by shaft 66.
Carried by frame iii and adjacent to each pawl i9 is an overthrow pawl iti having an arm M2 which, when the carriage it is in its lower or restored position engages a fixed cross member M3 to hold the pawl mi away from the member 42. As the frame itmoves upwardly, pawl iui will be free to rock clockwise under the influence of its spring i lid and will move into the path of tabs formed on member M. It will be recalled that frame itl moves upwardly just as the carriage id is at the end of its upward movement and the function of pawl MM is to prevent any overthrow of. type bar 35 due to the stopping of As the carriage it moves downwardly to restored position, arm W2 engages member m3 and a depending arm itt of pawl it will also engage member tilt to retract the pawl for relatching by latch 5t The sequence of the various mechanical operations will now be reviewed with particular reference to the timing chart (Fig. 6) in which the more important operations are diagrammatically illustrated.
It will be noted that the upward rise of the operating cam Wt of carriage it commences before the cam "Sll has completely elevated the carriage iii; so that for an interval the two carriages are moving together with the carriage l8 advanc ing at a slower rate. It will also be observed that the restoration by com 85 of the armature knock-01f ball 34 occurs before the X and "R" index point positions are sensed by the brushes UB or LIB. This, it will be observed, occurs after the carriage I8 has commenced to rise but takes place before finger 8! (Fig. 1) has risen sufflciently to lie in the path of member 32. In the example selected, that is, selection of the letter "P whose combination perforation is represented by a '7 and an 11 hole, energlzation of the magnet 49 will occur as soon as the perforation is encountered but coupling of the type bar to the carriage 44 is delayed for almost a cycle point due to the mechanical action of the parts so that tripping under control of the 7 hole results in commencement of the upward movement of the type bar just before the sixth position is analyzed. The upward rise of the type bar, therefore, commences at the point indicated 6fl'| of the line of cam 80 and proceeds seven steps with the upward movement of the carriage 44, after which the carriage dwells for a considerable period while the secondary carriage I8 completes its movement. The second perforation in the X position causes coupling of the type bar to the carriage H8 at the point indicated loll-X which is at a time when the carriage 44 is at rest. The frame is will therefore further advance the type bar two steps until it also dwells before restoration is efiected.
It will be noted that for alphabetic characters whose combinations include either an X or an "R" perforation, the advance of the type bar is in two distinct steps as the movement of the carriage 34 is completed and a numerical character presented to the printing line before the type bar is coupled to the secondary carriage which then advances it one or two additional steps. Where a zero perforation is part of a combinatlonal designation, the timing clmrt shows that a type bar is coupled to the frame at the point Ind-ll. As pointed out above, the tripping of the pawl I9 occurs about a cycle point before this so that the pawl is in engagement with the notched member 42 and moving upwardly therewith but at a slower rate so that immediately upon stopping of carriage 44, pawl I8 will pick up the type bar at point III-ll and continue its advance for three additional steps. The type bar is thus given a continuous movement from restored positionto the alphabetic printing position without interruption.
Wiring diagram Referring now to Fig. 11 the entering circuits are shown as extending between lines M0 and i l I. The brushes UB receive current from line HI through the usual card lever contacts UK'JL and circuit breaker I II. The lower brushes LB receive current through lower card lever contacts LCL and circuit breaker H3 while the special brush 28 receives current through upper card lever contact UCLZ and a cam contact Ill timed to make at 9. Record cards bearing name and address will contain a perforation in the 9 index point position of the column traversed by brush it so that the presence of such perforation will complete a circuit through clutch magnet 23 and further feeding will be interrupted until the address card has passed both upper and lower brushes in succession.
It will be recalled that this declutchlng of the card feed will occur when contacts 34 are closed and contacts 33 open and the contacts will remain in this position throughout the analysis of the aosaaor card by the upper brushes and the timing is such that as the card passes the lower brushes, contacts 33 will be closed and contacts 34 open. Therefore, as the address card passes the upper brushes, circuits will be completed from line ill, contacts UCL, II2, brushes UB in the field of the card in which the name is perforated, connections H5, contacts 34, print magnets id, to line H9. The first energization of magnets 59 will efiect the primary selection of a digit and the secondary selection will effect the final positioning of the type bar to present the proper character. As the address card passes the lower brushes, the circuit for magnets 49 is traceable from line lll, contacts LCL, I I3, brushes LB in the field in which the address" is perforated, through connections iI'o, contacts 33, magnets 49, to line H0. The address will thus be printed in columnar alinement with the name.
The detail cards accompanying the address card may contain information relating, for example, to price in the field corresponding to that in which the name is entered on the address card and information relating to, let us say, description, in the field corresponding to that in which the address is entered on the address card. In
4 order to read these fields of the detail cards and to prevent conflict in the circuits, a multi-contact relay H1 is provided which controls normally closed contacts H111 and a pair of contacts lllb.
The contacts Illa are wired to print magnets '29 in another section of the machine for printing in columns of the record other than those in which the name and address appear, for example, along the right hand edge of the record shown in Fig. 12. Thus, as a detail card passes through the machine, it will traverse the upper brushes without the completion of any circuits since contacts 34 are open at such time. As the card passes the lower brushes, the circuits through the brushes LB in the price field will complete circuits through contacts la and the right hand group of magnets 49, while brushes LB, which traverse the description field, complete circuits through contacts 33 and left hand group of magnets 49 in the same manner as explained in connection with the circuits for printing the address.
When an address card arrives at the brushes, the special perforation in the "9 index point position is sensed by the upper brush UB which traverses the column with the special perforation and completes a circuit from line III, contacts "UCL, II2, brush UB, cam contacts H8, timed to close momentarily at "9, relay magnet I I9, to line H3. Relay IIll closes its points II 902 which provide a holding circuit which extends from line I I I to cam contacts I20, contacts I I So, relay magnet H9, to line H0. Later in the cycle, as the address card is about to pass the lower brushes, cam contacts I 2| close momentarily, completing a circuit from line I l I, contacts I2 I, contacts I I9b, now closed, multi-contact relay Ill, to line IIO. Magnet II'I opens the contacts ma so that the lower brushes traversing the main field of the address card do not complete circuits to the right hand group of printing magnets 49.
Closure of contacts lllb provides a holding circuit for relay III which is traceable from line lII, cam contacts I22, contacts lI'lb, magnet H1, to line IN. This circuit is held while the address cam traverses the lower brushes. Reference to the timing chart (Fig. 6) will disclose the timing of the several cam contacts mentioned. In Fig. 12 is shown a specimen record in which the first two lines are printed under control of the address card during the two cycles of the machine during which the address card passes the upper and lower brushes in succession. The other three lines are printed under control of detail cards, there being one line for each detail card and each line of data is printed under control of the lower brushes only. In machines of this type the mechanism for spacing the record is usually operative to effect a line space for each cycle of operation so that the record will appear as in Fig. 12 with a space between the address and the first detail line, this spacing being brought about due to the cycle of operations during which feeding of new cards is suppressed so that during the cycle following the passage of the address card by the lower brushes there will be no printing effected but record spacing will nevertheless take place.
The type bar 35 (Fig. 3) is, according to the preceding detail description, normally in restored or lowered position where it remains unless and until its associated magnet 59 is energized at which time the type bar is coupled to the invariably movable carriage M and thereby positively raised to printing position.
Just before it reaches this position, the over throw pawl fldi engages the type bar to prevent the possibility of overthrowing and carriage it as it moves upwardly may have the type bar 35 coupled thereto, in which event further positive upward movement is imparted to the bar to bring it to a final printing position. It will thus be apparent that the type bar 35 is at all times during its operating movement under the positive and direct control of the frames of the carriages 44 or it and that any retardation or overthrowing is efiectively prevented.
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 departing from the spirit of the invention. It is the intention therefore to be.
means being adapted to uninterruptedly continue the movement of the carrier, in the same direction to present the type element adjacent to said initially presented element to printing position and means for efiecting printing from said adjacent element.
2. In a. printing mechanism, a type bar, a carriage having an invariable extent of movement, means for connecting said bar to said carriage for movement therewith in one direction, and means efiective at the end of the movement of said carriage for preventing overthrow of the bar beyond the position to which it has been moved by the carriage.
3. A positive drive mechanism for a typebar having alphabetic and numerical type elements thereon, comprising a primary type bar carriage adapted to positively advance said bar to present one of the numerical type elements to printing position and a secondary carriage adapted to positively and without interruption continue the movement of the bar to present one of the alphabetic type elements to printing position.
i. In a printing mechanism for a tabulating machine, a, first and a second analyzing station each comprising a single line of brushes for successively analyzing adjacent fields of arecordcard for combinational representations designating alphabetic information, and means controlled by each station as the same analyzes its associated held for causing the alphabetic information therein to be printed on a separate line of 2. record sheet.
5. In a printing mechanism for a tabulating machine, a first and a second record analyzing station, means for successively feeding detail and address record cards past said stations whereby as a record card passes said first station, another record card is passing said second station, means for determining the presence of an address card and means controlled thereby for interrupting the normal succession of feeding until the address card has completely passed both oi? said stations and means controlled by each station as the same analyzes the address card for causing the data thereon to be printed on separate lines of a. record sheet.
GEORGE F. DALY.
Mil
lid
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424076A (en) * 1943-12-27 1947-07-15 Ibm Alphabetic interpreter
US2528427A (en) * 1948-06-12 1950-10-31 Ibm Record feeding device
US2547457A (en) * 1945-06-22 1951-04-03 Ibm Drive means for reciprocable type bars
US2562554A (en) * 1946-01-15 1951-07-31 Ibm Selective typesetting and restoring means
US2566944A (en) * 1946-09-19 1951-09-04 Ibm Typesetting means in record controlled printing machines
US2577092A (en) * 1947-12-20 1951-12-04 Ibm Record controlled alphabetic printing machine
US2671548A (en) * 1950-11-29 1954-03-09 Anderson Ralph Andrew Graph printing machine
US2757604A (en) * 1953-08-26 1956-08-07 Burroughs Corp Decoding and character forming means for high speed recorder
US3094064A (en) * 1960-01-04 1963-06-18 Ibm Positioning mechanism in selective type printing machines

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424076A (en) * 1943-12-27 1947-07-15 Ibm Alphabetic interpreter
US2547457A (en) * 1945-06-22 1951-04-03 Ibm Drive means for reciprocable type bars
US2562554A (en) * 1946-01-15 1951-07-31 Ibm Selective typesetting and restoring means
US2566944A (en) * 1946-09-19 1951-09-04 Ibm Typesetting means in record controlled printing machines
US2577092A (en) * 1947-12-20 1951-12-04 Ibm Record controlled alphabetic printing machine
US2528427A (en) * 1948-06-12 1950-10-31 Ibm Record feeding device
US2671548A (en) * 1950-11-29 1954-03-09 Anderson Ralph Andrew Graph printing machine
US2757604A (en) * 1953-08-26 1956-08-07 Burroughs Corp Decoding and character forming means for high speed recorder
US3094064A (en) * 1960-01-04 1963-06-18 Ibm Positioning mechanism in selective type printing machines

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