US3378254A - Pack advancer - Google Patents

Pack advancer Download PDF

Info

Publication number
US3378254A
US3378254A US518138A US51813866A US3378254A US 3378254 A US3378254 A US 3378254A US 518138 A US518138 A US 518138A US 51813866 A US51813866 A US 51813866A US 3378254 A US3378254 A US 3378254A
Authority
US
United States
Prior art keywords
paper
tray
sheet
stack
gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US518138A
Other languages
English (en)
Inventor
Roger H Eichorn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Priority to US518138A priority Critical patent/US3378254A/en
Priority to GB51/67A priority patent/GB1129872A/en
Priority to GB52/67A priority patent/GB1158671A/en
Priority to DER44961A priority patent/DE1289850B/de
Application granted granted Critical
Publication of US3378254A publication Critical patent/US3378254A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6502—Supplying of sheet copy material; Cassettes therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
    • B65H1/18—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device controlled by height of pile

Definitions

  • the tray also has associated therewith, switching means including a pivotable arm coactable with the topmost sheet of the stack to actuate a motor to raise the tray so that the topmost sheet of the stack is always at a predetermined level for being fed.
  • switching means including a pivotable arm coactable with the topmost sheet of the stack to actuate a motor to raise the tray so that the topmost sheet of the stack is always at a predetermined level for being fed.
  • the tray also has, associated therewith, a finger cooperable with an aperture in the tray so as to terminate the operation of the device upon the depletion of the stack of sheet material.
  • This invention relates in general to sheet feeding and in particular to seriatim feeding of paper sheet material. More specifically, the invention relates to an improved paper stack advancing mechanism adapted to handle various size paper stock which automatically adjusts the material level in controlled increments to maintain a predetermined height for the separation and advancement of sheet material into an appropriate sheet advancing mechanism. This invention also provides means for terminating operation of the mechanism in which it is used when the paper stack has been depleted, lowering the advancing mechanism, thereby permitting additional sheet material to be positioned in the apparatus. For convenience of illustration, the invention is described with reference to its use in a xerographic reproducing machine. However, it is to be understood that it is not intended to be limited thereto.
  • an adjustable pack holder adapted to maintain the level of paper stack at a predetermined height to aid in the separation and advancement of a single sheet from that height, terminating machine operation, and adapted to lower the paper tray when the paper stack is depleted.
  • FIG. 1 illustrates schematically a Xerographic reproducing machine incorporating a stack advancing mechanism constructed in accordance with this invention.
  • FIG. 2 is an upper horizontal profile view of the stack advancer.
  • FIG. 3 is a vertical section view of the mechanism taken along line 3-3 of FIG. 2 to better illustrate the construction thereof.
  • FIG. 4 is a vertical section view taken along line 4--4 of FIG. 2.
  • FIG. 5 is a horizontal profile view of the adjustable stack centering mechanism.
  • FIG. 6 is a vertical section view of the adjusting mechataken along line 6-6 of FIG. 5 to better illustrate the construction thereof.
  • FIG. 7 is a perspective view of the paper feeding mechanisrn used in cooperation with the invention.
  • FIG. 8 is a perspective view of a paper separating device used in the invention.
  • FIG. 9 is a schematic diagram of the control circuit of the invention.
  • FIG- 1 an embodiment of the subject invention in a suitable environment such as an automatic Xerographic reproducing machine.
  • This machine comprises a xerographic plate 1 including a photoconductive layer or light-receiving surface on a conductive backing journaled in a frame to rofate in the direction indicated by the arrow to cause the plate surfac sequentially to pass a plurality of Xerographic processing stations.
  • the stack advancing mechanism 10, positioned for seriatim feeding of cut-sheet support material comprises an adjustable tray for holding a supply of cutsheets, a separator roller and devices for separating a single sheet of support material from the supply, feed rollers for feeding a single sheet, means for coordinating the operation of the separator rollerand feed rollers, and a paper tray level control device for raising the tray to facilitate the feeding of sheets of support material from the top of the stack.
  • the apparatus for feeding sheets of transfer material to the xerographic drum 1 in timed relation to the appearance of a developed image thereon includes a pair of feed rollers 201 and 202 mounted in cooperative relation to each other to direct sheets of support material forwarded by said feed rollers onto a paper transport 290 to be forwarded to the register stop 360 which functions to align and synchronize the movement of the support material with the image on the xerographic drum.
  • the feed roller 201 is journaled in the frame support plates of the paper transport 200, driven by means of bolts 203 of the paper transport.
  • the feed roller 202 which is an idler roller, is journaled in cooperative relation with feed roller 201 to forward a sheet of support material advanced into the bite of the two rollers.
  • the paper tray 15 includes a base comprising three sections: a stationary base member 16, a left-hand angle member 17, and a right-hand angle member 29.
  • the angle members 17 and 20 are each formed with upright sheet guide portions 18 and 21 and lateral portions 19 and 22 respectively, and are positioned with their upright guide portions parallel to the sides of the vase member 16 and with their lateral portions extending in a plane parallel to the base member 16.
  • the angle members 17 and 20 are actuable toward and away from each other by a linkage system mounted below the base member 16.
  • the base member 16 is in a plane parallel with that of left and right lateral portions 19 and 22.
  • a gear portion 25 rotatably mounted as by a pivot pin appropriately secured to the bottom of a base member 16.
  • a complementary pair of gear racks 28 and 31, slideably supported by portions 29 and 32, respectively, of the base member 16 are provided in operative relation to gear 27 and gear 30 whereby rotation of these gears will effect movement of the gear racks 28 and 31 moving the angle members 17 and 20 by means of pins 35 and 36 secured through racks 28 and 31 to the lateral portions 19 and 22 of angle members 17 and 20, respectively, for adjusting the supply holder to various sizes of paper support material.
  • the gear portion 25 is provided with a manually actuable handle 26 which may be secured as by welding to the gear portion 25. Movement of the handle 26 in a counterclockwise direction as seen in FIG. 5 will move the angle members 17 and 20 toward each other. Movement of the angle members 17 and 20 will be in unison and equal to maintain the paper supply at a centered position.
  • a stack of support material sheets is placed on the tray 15 and the handle 26 manipulated to bring the angle members 17 and 2% into contact with the adjacent edges of the sheets. This will ensure that the stack is centrally located within the tray and in proper alignment with the paper feed rollers.
  • the handle 26 is rotated in a clockwise direction which results in the angle members 17 and 20 being moved away from the center of the stack. The limit of travel of the angle members 17 and 20 will be determined by the length of the slots 37, 38, 39 and 40.
  • the tray 15 comprising the base member 16, the angle members 17 and 20, and the adjusting mechanism is mounted for horizontal movement as a unit toward and away from the feed rollers 201 and 202.
  • the base member 16 is secured to the inner races 43 and 45, denoting left and right side, of a commercial type file cabinet-drawer slide.
  • the outer races 44 and 46 for the slides are attached to spacers 47 which are mounted beneath the base member and secured to an elevating table 50.
  • Each of the outer races 44 and 46 is secured by suitable means to the spacers 47 on the elevating table 51) and serves to support the base member 16 and linkage system relative to the elevating table 50.
  • Suitable ball bearings mounted between the races 43 and 44, and and 46 permit slidable action between the tray 15 and the elevating table 50 and allow horizontal movement of the tray relative to the elevating table 50 to facilitate loading of sheet material.
  • a suitable stop 13 is connected to the front of the base member 16 to ensure correct positioning of the tray 15 after loading and upon repositioning in the apparatus.
  • the tray 15 is also mounted for vertical movement, and to this end the elevating table 50 is provided with a left-hand and a right-hand flange 51 and 55, respectively, each flange being secured to a pair of gear sectors 52 denoting the left-hand gear sectors and 56 denoting the right-hand gear sector. Movement of the tray 15 is effected by an electric motor 60 driving gears 62 and 63 secured to shaft 64. The two gears 62 and 63 drive left and righthand gear racks 67 and 68, respectively, in a horizontal direction. The gear sectors 52 and 56 mated with the gear racks 67 and 68 are thereby moved in a path determined by vertical and horizontal slots 71 and 72 in frame plates 73 and 74, respectively.
  • Suitable bearing supports 75 and 76 are secured to the frame plates 73 and 74 on the leftand right-hand side, respectively, to facilitate the horizontal movement of the gear racks 67 and 68.
  • the electric motor will be actuated by means of a circuit to be hereinafter disclosed, to drive the gear racks 67 and 68 forward in the direction of paper travel, as shown in FIG. 3, through the mechanical linkage previously described.
  • This movement of the gear racks rotates the complementary gear sectors 52 and 56 in the direction of paper travel raising the elevating table 50 in a path determined by the vertical gulde slots 71, by means of journaled pins 57 secured to the gear sectors. Movement in a vertical direction only is effectuated by the synchronous movement of the aXis of rotation 54 of each sector along the path defined by the horizontal guide slots 72 with the vertical movement of the elevating table 50.
  • separating devices 78 and 79 As shown in FIG. 8 WhlCll apply a light-restraining force on the forward cor ners of the topmost sheet and the leading edge of the paper stack.
  • Each of the separating devices comprises a vertically movable plunger freely movable in a tubular element secured to the outside surface of angle members 17 and 20, respectively, and movable therewith.
  • Each of the plungers has a snubber 82 and 83, respectively, secured thereto to be positioned against the leading edge of the stack with the snubber overlying the corner of the topmost sheet.
  • the weight of each of the plungers is imposed on the upper forward corners of the paper stack by means of the snubbers 82 and 83, and the weight on each corner is such that the plungers will follow the level of the stack downwardly as the stack level is lowered.
  • Their weights also provide a restraining force which will assist in the feeding of a single sheet of paper when the stack is acted upon by the sheet feed mechanism to be described hereinafter.
  • the lower ends of the separating devices 78 and 79 extend below the stack of support material and terminate in round ends preferably formed of nylon or Teflon. These ends are adapted to ride upon inclined plates 84 and 85 located below each separating device.
  • the separating devices 78 and 79 will engage the inclined plates and be raised where they will remain as the tray is retracted. With the separating devices held in their uppermost position, the snubbers 82 and 83 will be clear of the paper stack thereby permitting the addition or removal of paper sheets from the tray without encountering interference.
  • the plungers will again resume their position with the snubbers resting upon the topmost sheet.
  • a sheet feed means 410 comprising driven rollers 411 secured upon a shaft 412 journaled in bearings mounted in leftand right-hand arms 413 and 414, respectively, adapted for arcuate movement about drive shaft 415.
  • the drive shaft 415 is driven by means of a sheet feed drive mechanism 420 not specifically disclosed herein.
  • the sheet feed mechanism 400 comprising the sheet feed roller assembly 419 and the sheet feed drive mechanism 420 is of the type disclosed in RH. Eichorn et a1. Patent No. 3,099,943, and reference is made thereto for the details disclosed therein. However, it is to be understood that this invention is not to be limited thereto, but may be used in cooperation with various sheet feed devices.
  • a stop plate 13 slida'ole in guide blocks 91 and 92 connected to the base member 16, engaging a pair of bosses 88 and 89 on stop 90.
  • the stop plate 13 is slidahly engaged in suitable slots of lefthand and right-hand guide blocks 91 and 92, respectively, secured to upturned portions of base member 16.
  • the stop 90 upon which bosses (i8 and 89 are mounted is secured to the frame plates 73 and 74.
  • the engagement of the stop plate 13 with the bosses 88 and 89 prevents the elevating of the stop plate 13 with the paper tray 15.
  • the stop plate which is slidable in guide blocks 91 and 92 will, therefore, remain in a proper height relationship to the supply of sheet material while the paper tray is elevated.
  • the height of the stop plate 13 is normally below that of the snubbers 82 and 83 which, as previously stated, rest upon the corners of the topmost sheet of the stack.
  • the snubbers 32 and 83 will always occupy a position no lower than the upper edge of the stop plate 13 which must be cleared for a sheet of paper to be fed to the feed rollers 101 and 102.
  • the leading edge corners of the sheet engage the snubbers 82 and 83 whereupon the sheet will buckle upwardly and inwardly.
  • the snubbers are tapered, being formed with an inner edge that is at an acute angle relative to the leading edges of the sheets of paper.
  • the tray 15 is adapted for vertical movement in order to maintain the level of the stack at a relatively fixed point. This is accomplished by the use of a motor drive and a switching arrangement which will drive the tray 15 upwardly from an initial lower position when the tray supports a stack of paper to an uppermost position of the tray when only a few sheets or no sheets of paper remain in the tray.
  • This drive action is provided by a drive motor 61) provided with a gear reduction device 61. driving an output shaft 64 to which is secured the drive gears 62 and 63.
  • the drive gears 62 and 63 mesh with gear racks 67 and 68, respectively, for vertical movement of the paper tray 15.
  • Energization of the motor 69 is under control of a paper level limit switch LS-l, a low paper limit switch LS-Z, and a shut down switch LS-3.
  • the paper level switch LS-l is mounted on a connecting rod 94 which extends across the tray above the level of the stack and is secured to the frame plates 73 and 74.
  • This switch is provided with an arm 96 adapted to contact the stack level for actuating the switch into its open and closed positions.
  • the paper level switch LS-1 is in its closed position when no force is applied upon the arm 96; however, when the level of the stack reaches a predetermined height, the top of the stack engage the arm to actuate the switch LS-l to its open condition, thus de-energizing the motor 68.
  • the switch LS-l is connected in series with the motor 60 and a suitable door interlock switch LS4, which is in a closed condition when the door 98 of the base section for the apparatus is closed.
  • the motor 6% When the top of the stack is below the predetermined level, the motor 6% will be energized through the normally closed contacts of LS1 until the top of the stack reaches the predetermined level, whereupon the switch LS-l will be actuated to its open position for de-energizing the motor.
  • a low paper limit switch LS2 is secured to frame plate 74 in a position to be contacted by gear rack 68 when the gear rack has moved to its forwardmost position which indicates that the paper tray 15 has been advanced to its uppermost height.
  • the gear rack 68 As the tray is moved upwardly when paper is being fed out of the tray 15 under the power produced by the motor 60 and as controlled by the paper level determining switch LS-1, the gear rack 68 is moved forward. This occurs as the paper stack becomes gradually depleted through use of the Xerographic apparatus. When the paper tray 15 contains only a few sheets of paper, the gear rack 68 will contact the low paper limit switch LS-Z closing its contacts and actuating a warning light to indicate the supply of sheet material is depleted.
  • a shut down switch LS3 is provided to terminate operation of the copying mechanism in which the apparatus of this invention is used by energizing a timer shown in FIG. 9 to time out the machine after the last sheet has been fed from the paper tray.
  • the switch LS3, mounted on tie rod 94, is provided with an arm 93 which rests on the top of the stack of sheet material. Upon the feeding of the last sheet, the arm will fall through a slot 23 in base member 16 of the paper tray 15 closing the normally open contacts LS-3a to energize the timer to terminate operation of the mechanism and opening the normally closed contacts LS-3b to prevent further operation of the motor 69. With the printing apparatus shut down, the operation of the xerographic apparatus terminates until paper is added to the tray 15.
  • the paper feed mechanism also includes a mechanical interlock device between the door 98 to the printing apparatus and the tray 15.
  • the mechanical interlock device comprises a ratchet bar 151 secured to rack support plate 152 as by welding and to an angle bar support 153 which extends the width of the support plate.
  • a bell crank 156 rotatably secured to an angle bracket 154 supported on the rack support plate 15?. is biased in a clockwise direction, as seen in FIG. 3, by means of a torsion spring, with its pawl arm 157 engaging the ratchet to permit only unidirectional movement of the gear racks when the pawl is engaging the ratchet bar.
  • the bell crank 156 is rotated by means of an adjustable linkage 160 secured to the door at one end by means of a bracket 161.
  • the other end of the adjustable linkage is connected to a pin 162 secured to arm 158 of the bell crank engaging a slot 163 in the adjustable linkage.
  • the linkage rotates the bell crank pawl out of engagement with the ratchet bar thus lowering the paper tray.
  • Two springs 99 each secured at one end to pins 69 and 70, respectively, of frame plates 73 and '74, respectively, and at the other ends to gear sectors 52 and 56, respectively, prevent rapid lowering of the paper tray and the resulting impact.
  • Suitable locks shown as magnetic catches 97, are provided on the door to prevent accidental opening of the door 98 thereby interrupting the machine operation.
  • a pack advancer for use in cooperation with a sheet feed mechanism to maintain a stack of sheet material at a predetermined height including support means for containing a stack of sheet material,
  • rotatable gear sectors each having first pins extending through said sectors perpendicular to the plane of rotation of said sectors, each of said sector having second pins parallel to said first pins journaled for rotation in said sectors and said support means,
  • a gear rack operatively coupled with each gear sector to rotate said gear sectors to effect horizontal motion of said first pins and vertical movement of said second pins and said support means to thereby raise sheet material contained on said support means
  • switching means connected in said circuit for controlling energization of said drive means, said switching means including a pivo-table arm adapted to coact with the topmost sheet of the stack for energizing said drive means to elevate said tray and to de-energize said drive means when the topmost sheet reaches a predetermined level, said switching means also including a finger adapted to coact with an aperture in said support means when the stack of sheet material has been depleted to thereby terminate the operation of the pack advancer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
US518138A 1966-01-03 1966-01-03 Pack advancer Expired - Lifetime US3378254A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US518138A US3378254A (en) 1966-01-03 1966-01-03 Pack advancer
GB51/67A GB1129872A (en) 1966-01-03 1967-01-02 Stack raiser
GB52/67A GB1158671A (en) 1966-01-03 1967-01-02 Adjustable Pack Holder
DER44961A DE1289850B (de) 1966-01-03 1967-01-03 Vorrichtung zur Vereinzelung der Blaetter eines auf einer Grundplatte befindlichen Blattstapels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US518138A US3378254A (en) 1966-01-03 1966-01-03 Pack advancer

Publications (1)

Publication Number Publication Date
US3378254A true US3378254A (en) 1968-04-16

Family

ID=24062719

Family Applications (1)

Application Number Title Priority Date Filing Date
US518138A Expired - Lifetime US3378254A (en) 1966-01-03 1966-01-03 Pack advancer

Country Status (3)

Country Link
US (1) US3378254A (de)
DE (1) DE1289850B (de)
GB (2) GB1158671A (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3561772A (en) * 1968-09-24 1971-02-09 Embro Co Inc Reclining exercising device
US3759509A (en) * 1971-12-20 1973-09-18 Honeywell Inf Systems Document loader
US3831933A (en) * 1973-04-06 1974-08-27 Xerox Corp Tamper detection and recovery
DE2264820A1 (de) * 1971-06-03 1975-03-13 Canon Kk Ueberwachungseinrichtung zum ueberwachen des tonergehalts in der entwicklerfluessigkeit der entwicklungseinrichtung eines kopiergeraets
US3945635A (en) * 1974-07-19 1976-03-23 Pitney-Bowes, Inc. Power stacker
US3957366A (en) * 1974-09-05 1976-05-18 Xerox Corporation Sheet feeding apparatus
DE2226358C3 (de) 1971-06-03 1980-06-26 Canon K.K., Tokio Elektrofotografische« Kopiergerat mit Vorlagenforderung
DE3017329A1 (de) * 1979-05-10 1980-11-13 Tokyo Shibaura Electric Co Kopierpapier-transportvorrichtung
US4390175A (en) * 1980-02-18 1983-06-28 Canon Kabushiki Kaisha Recording medium feeding device
US4466604A (en) * 1980-10-24 1984-08-21 Konishiroku Photo Industry Co., Ltd. Elevator type paper feeding apparatus
US4480827A (en) * 1982-11-23 1984-11-06 Burroughs Corporation Pivotal feed head for printing apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH633378A5 (fr) * 1979-10-19 1982-11-30 Radioelectrique Comp Ind Machine de table pour le comptage de liasses de billets usages.
KR0183760B1 (ko) * 1995-11-25 1999-04-15 김광호 용지 급지 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US759558A (en) * 1903-07-20 1904-05-10 Hayden Saddlery Hardware Co P Elevating-truck.
DE433914C (de) * 1925-12-04 1926-09-10 Fenestra Fabrik Fuer Eisenhoch Hilfsplattform fuer Transportwagen
US3097760A (en) * 1960-06-06 1963-07-16 Callaway Mills Co Apparatus for dispensing towels and the like
US3301551A (en) * 1964-12-31 1967-01-31 Xerox Corp Sheet feed mechanism

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE491702C (de) * 1930-02-14 Emil Dueball Vorrichtung zum Heben des Stapeltisches an Schablonendruckern, Typendruckern o. dgl.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US759558A (en) * 1903-07-20 1904-05-10 Hayden Saddlery Hardware Co P Elevating-truck.
DE433914C (de) * 1925-12-04 1926-09-10 Fenestra Fabrik Fuer Eisenhoch Hilfsplattform fuer Transportwagen
US3097760A (en) * 1960-06-06 1963-07-16 Callaway Mills Co Apparatus for dispensing towels and the like
US3301551A (en) * 1964-12-31 1967-01-31 Xerox Corp Sheet feed mechanism

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3561772A (en) * 1968-09-24 1971-02-09 Embro Co Inc Reclining exercising device
DE2226358C3 (de) 1971-06-03 1980-06-26 Canon K.K., Tokio Elektrofotografische« Kopiergerat mit Vorlagenforderung
DE2264820A1 (de) * 1971-06-03 1975-03-13 Canon Kk Ueberwachungseinrichtung zum ueberwachen des tonergehalts in der entwicklerfluessigkeit der entwicklungseinrichtung eines kopiergeraets
US3759509A (en) * 1971-12-20 1973-09-18 Honeywell Inf Systems Document loader
US3831933A (en) * 1973-04-06 1974-08-27 Xerox Corp Tamper detection and recovery
US3945635A (en) * 1974-07-19 1976-03-23 Pitney-Bowes, Inc. Power stacker
US3957366A (en) * 1974-09-05 1976-05-18 Xerox Corporation Sheet feeding apparatus
DE3017329A1 (de) * 1979-05-10 1980-11-13 Tokyo Shibaura Electric Co Kopierpapier-transportvorrichtung
US4332375A (en) * 1979-05-10 1982-06-01 Tokyo Shibaura Denki Kabushiki Kaisha Copy sheet-feeding apparatus
USRE32281E (en) * 1979-05-10 1986-11-11 Tokyo Shibaura Denki Kabushiki Kaisha Copy sheet-feeding apparatus
DE3050853C2 (de) * 1979-05-10 1992-02-06 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa, Jp
US4390175A (en) * 1980-02-18 1983-06-28 Canon Kabushiki Kaisha Recording medium feeding device
US4466604A (en) * 1980-10-24 1984-08-21 Konishiroku Photo Industry Co., Ltd. Elevator type paper feeding apparatus
US4480827A (en) * 1982-11-23 1984-11-06 Burroughs Corporation Pivotal feed head for printing apparatus

Also Published As

Publication number Publication date
DE1289850B (de) 1969-02-27
GB1158671A (en) 1969-07-16
GB1129872A (en) 1968-10-09

Similar Documents

Publication Publication Date Title
US3378254A (en) Pack advancer
US4108427A (en) Feeding device
US3623806A (en) Original document feeder with registering gate and movable platen
US4008957A (en) Reproduction machine control
EP0075398B1 (de) Apparat zur Geradeführung eines Bandes
US3642370A (en) Document presentation device
GB2025377A (en) Sheet feeding apparatus
US3667840A (en) Electrophotographic copier with removable drum
US3604797A (en) Photoelectrostatic duplicator
US4368973A (en) Recirculating document feeder
EP0106568B1 (de) Blattzuführeinrichtung
US5018717A (en) Sheet stacking apparatus
US3424526A (en) Photocopy machine having moving carrier for original
US3599966A (en) Sheet-handling apparatus
US3301551A (en) Sheet feed mechanism
US3671119A (en) Electrostatic copying apparatus
US3866901A (en) Reverse buckle feeder
US3561754A (en) Sheet collation distributor
US3406964A (en) Adjustable pack holder
US3547431A (en) Pneumatic cut sheet feeder
US3272100A (en) Electrostatic copier
US3415510A (en) Auxiliary sheet feeder
US3684372A (en) Copying machine
US3601394A (en) Sheet retaining apparatus
US3256009A (en) Sheet registration device