EP0105844A2 - Procédé et dispositif de transport pour l'introduction individuelle de matériel d'impression sous forme de feuilles dans une machine de bureau - Google Patents

Procédé et dispositif de transport pour l'introduction individuelle de matériel d'impression sous forme de feuilles dans une machine de bureau Download PDF

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Publication number
EP0105844A2
EP0105844A2 EP83810450A EP83810450A EP0105844A2 EP 0105844 A2 EP0105844 A2 EP 0105844A2 EP 83810450 A EP83810450 A EP 83810450A EP 83810450 A EP83810450 A EP 83810450A EP 0105844 A2 EP0105844 A2 EP 0105844A2
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EP
European Patent Office
Prior art keywords
roller
gear
take
sheet
platen
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.)
Granted
Application number
EP83810450A
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German (de)
English (en)
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EP0105844A3 (en
EP0105844B1 (fr
EP0105844B2 (fr
Inventor
Kurt Rünzi
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Individual
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Individual
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Publication of EP0105844A2 publication Critical patent/EP0105844A2/fr
Publication of EP0105844A3 publication Critical patent/EP0105844A3/de
Publication of EP0105844B1 publication Critical patent/EP0105844B1/fr
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Publication of EP0105844B2 publication Critical patent/EP0105844B2/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/0009—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets control of the transport of the copy material
    • B41J13/0018—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets control of the transport of the copy material in the sheet input section of automatic paper handling systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section

Definitions

  • the invention relates to a method and a transport device for the single supply of impression material, in particular paper sheets to a writing or printing office machine, in particular a typewriter, according to the preamble of claims 1, 2 and 8.
  • the transport takes place continuously Imprinting or printing material in roll form or with a fan fold by pin wheels engaging in side perforations. Since such edge perforations are perceived as disturbing in many cases, machines are known which separate these perforated edge strips after the inscription. This is cumbersome and requires additional work and machinery.
  • scanning the leading edge of the sheet by means of reflecting light rays has the disadvantage that it does not respond to colored sheets or sheets printed on the top, since the difference in brightness is often insufficient to make the photosensitive cell respond.
  • a separate drive motor is required for the sheet feed, since the necessary movement cannot be derived from the platen roller.
  • the object to be achieved by the invention is to create an automatic single sheet feed suitable for office machines, which is particularly simple, reliable and precise and whose movement can be derived from the platen roller, so that a separate drive motor for the sheet feed is unnecessary.
  • inventive method is in claim 1 and the inventive transport device is characterized in claims 2 and 8.
  • the transport device can be placed and removed as a removable unit on an office machine, in particular on a typewriter 1.
  • a gear 3 sits on the shaft 4 of the platen roller 2 and is connected to the platen roller 2 of the typewriter 1 in a rotationally fixed manner.
  • This gear 3 engages in a gear 10 belonging to the transport device and thereby effects a drive connection between the movement of the platen roller 2 and the drive movement of the transport device.
  • the shaft 4 of the platen roller 2 is encompassed on both sides by a hook-shaped locking lever 5, so that a detachable connection between the transport device designed as a separable unit and the automatic typewriter 1 or the like. is formed.
  • an operating rod 7 is moved by hand. This operating rod 7 is over a
  • Joint 75 movable with the locking lever 5. connected.
  • a pin 74 engaging in a longitudinal slot is provided for guiding the actuating rod 7.
  • the shaft 4 can be released.
  • the transport device contains a side plate 8 at both ends, which extend essentially in the vertical direction and are connected to one another by at least one rod-shaped strut 9. At least one rocker 13 sits on the strut 9 and serves to receive the supply stack 19 of the sheets 11 to be labeled or printed.
  • each of these rockers 13 there are two such rockers 13 which can be pivoted about the strut 9 as an axis of rotation and can be displaced relative to one another to accommodate sheets 11 of different widths.
  • Each of these rockers 13 includes a flat bottom 37 and a V ertikalwand 39 and is urged by a spring 53 upward.
  • Each of these take-off rollers 15 is provided with an overrunning clutch 17 according to FIG. 5, in the sense that these take-off rollers 15 can be positively driven in one direction of rotation - which corresponds to the paper feed direction C - while these drive rollers 40 are stopped when the shaft 40 is stopped 15 these can rotate freely on the top sheet 11 removed.
  • an embodiment shows such an overrunning clutch 17, together with an A bzugsrolle 15.
  • pinch rollers 60 or clamping balls of the external ring are performed 56 depending on a curve track 64.
  • Spring loaded Pressure pins 62 press these pinch rollers 60 in the direction against the narrower part of the cam track 64.
  • the take-off roller 15 can nevertheless rotate as a freewheel in the direction of the arrow G, since the pinch rollers 60 are located in the enlarged part of the curved tracks 64 and thereby the non-positive connection between the outer ring 56 and the inner ring 58 is interrupted.
  • the gearwheel 10 which engages in the gearwheel 3 of the platen roller 2, is rigidly connected to a first pulley 12.
  • a first endless toothed belt 14 engages in this pulley 12 and is guided over a deflection roller 18 and a tensioning roller 16 over a second pulley 20.
  • a third, smaller pulley 22 seated on an axis 21 is rigidly connected to this second pulley 20 and is looped around by a second endless toothed belt 26.
  • This second toothed belt 26 leads to a fourth pulley 24, which is seated on a horizontal axis 29.
  • Connected to this fourth pulley 24 is a toothed wheel 28, the ring gear of which only extends over part of a full circumference, preferably approximately approximately half the circumference.
  • a cam disk 32 is rigidly attached to this fourth pulley 24.
  • This cam disk 32 acts with a locking disk 34 together.
  • the locking disk 34 contains one or more, in the present case three arcuate recesses, the radius of which corresponds to that of the cam disk 32.
  • a pinion 38 is rigidly connected to the locking disk 34 and sits on the same axis of rotation 40 as the take-off rollers 15. This axis of rotation 40, the pinion 38 and the locking disk 34 are rigidly connected to one another.
  • the pinion 38 is designed such that it comes into and out of engagement with the ring gear 28 after a predetermined, constant angle of rotation.
  • the segment ring gear 28 together with the pinion 38, the cam 32 and the locking disk 34 forms a gear 31 with intermittent movement, in the sense that with a continuous rotation of the fourth pulley 24, the pinion 38 occurs intermittently.
  • this pinion 38 is positively blocked by the arcuate recesses 36 of the locking disk 34 abutting against the larger-diameter part of the cam disk 32. If the fourth pulley 24 thus rotates due to a movement of the toothed belt 26 in the direction of rotation indicated in the direction of arrow E, this does not initially result in any rotational movement of the pinion 38, starting from the position shown in FIG.
  • the pinion 38 When the fourth pulley 24 continues to rotate, the pinion 38 thus executes a certain number of revolutions, which is determined by the length of the ring gear 28. Then the locking disk 34 again reaches the area 42 of the cam disk 32 with the larger radius, whereupon the pinion 38 no longer rotates, since it has reached the area of the toothless part 30. The locking disk 34 again causes the pinion 38 to be stopped in a precisely predetermined position and remains in this position while the cam disk 32 continues to rotate. The process described above is then repeated.
  • the transmission ratio is also selected so that the angular velocity of the platen roller 2 corresponds as closely as possible to the angular velocity of the draw-off roller 15, so that a Synchronous movement occurs when the pinion 38 is in engagement with the ring gear 28 and the paper feed speed A corresponds to the peripheral speed of the platen roller 2.
  • a one-way clutch 49 according to FIG. 4 is present between the platen roller 2 and the gear 31 with intermittent movement.
  • This one-way or driver clutch 49 is located between the second and third pulleys 20, 22.
  • the second pulley 20 is provided with an axially or radially projecting cam 46 or pin, against which a driver projection 52 which projects radially from a driver disk 50 loosely abuts.
  • the drive pulley 50 is connected to the third pulley 22.
  • the second pulley 20 is provided with a cylindrical recess 48, into which the driving pulley 50 projects.
  • the driver shoulder 52 is carried along by the cam 46, so that the two pulleys 20, 22 rotate at the same speed.
  • the pulley 22 stops and with it the movement-suspending gear 31 and the take-off rollers 15. Since a reverse rotation of the platen roller 2 usually only detects a few lines, for example when writing of chemical or mathematical formulas, it is sufficient that the one-way clutch only Prevents the reverse rotation of the third pulley 22 over just a single revolution.
  • the one-way clutch 49 could also be arranged between other rotational transmission elements, for example between the gearwheel 10 and the first pulley 12. Furthermore, this one-way clutch 49 could also be designed as a claw clutch with great play between the intermeshing claws.
  • All pulleys 12, 20, 22, 24 are provided with recesses or teeth for the slip-free transmission of the movements by the toothed belts 14, 26.
  • This transport device On the two rockers 13 there is a stack of 19 individual sheets 11. The front edge of the stack 19 lies against a stop 43 which merges into an angled tab 47 at the top. Close to the front edge of the uppermost sheet 11 are the two take-off rollers 15 seated on the shaft 40. When the platen roller 2 rotates, this movement is transmitted to the shaft 40 and thus to the take-off rollers 15, provided that in the gear 31 the pinion 38 is in engagement with the ring gear of the gear 28.
  • the drive motor of the platen roller 2 is stopped.
  • the sheet can subsequently be labeled or printed in the usual manner known per se and transported further line by line.
  • the pull-off roller 15, which is no longer driven, only moves as long as it lies on the top sheet which has been pulled away, after which it stands still.
  • the finished sheet 11 is then placed on the tray holder 51.
  • the ring gear 28 again engages with the pinion 38 and causes the shaft 40 and thus the take-off rollers 15 to rotate again, whereby a next sheet 11 is conveyed.
  • the sheet transporter is controlled exclusively by the rotary movement of the platen roller 2.
  • the control device of the platen roller drive motor is to be designed in such a way that a predetermined number of turning steps have to be carried out until a next sheet 11 to be labeled again reaches the exact same starting position.
  • the rotation assigned to a full sequence - i.e. when the whole process is repeated movement of the platen roller 2 thus corresponds to a sheet feed that is larger than the longest sheet 11 to be processed.

Landscapes

  • Handling Of Cut Paper (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Handling Of Sheets (AREA)
EP83810450A 1982-10-06 1983-10-04 Procédé et dispositif de transport pour l'introduction individuelle de matériel d'impression sous forme de feuilles dans une machine de bureau Expired - Lifetime EP0105844B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH5863/82 1982-10-06
CH5863/82A CH663601A5 (de) 1982-10-06 1982-10-06 Verfahren und transportvorrichtung zur zufuhr von blattfoermigem abdruckmaterial zu einer bueromaschine.

Publications (4)

Publication Number Publication Date
EP0105844A2 true EP0105844A2 (fr) 1984-04-18
EP0105844A3 EP0105844A3 (en) 1984-06-06
EP0105844B1 EP0105844B1 (fr) 1987-03-11
EP0105844B2 EP0105844B2 (fr) 1992-11-11

Family

ID=4300561

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810450A Expired - Lifetime EP0105844B2 (fr) 1982-10-06 1983-10-04 Procédé et dispositif de transport pour l'introduction individuelle de matériel d'impression sous forme de feuilles dans une machine de bureau

Country Status (7)

Country Link
US (1) US4544294A (fr)
EP (1) EP0105844B2 (fr)
JP (1) JPH0630915B2 (fr)
BR (1) BR8305532A (fr)
CA (1) CA1220441A (fr)
CH (1) CH663601A5 (fr)
DE (1) DE3370146D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3442814A1 (de) * 1983-11-25 1985-07-11 Silver Seiko Ltd., Kodaira, Tokio/Tokyo Automatische papiertransportvorrichtung
WO1985005076A1 (fr) * 1984-05-02 1985-11-21 Olympia Werke Ag Dispositif d'entrainement a moteur electrique pour differentes fonctions dans les machines a ecrire ou dans les imprimantes de construction semblable
DE3442915A1 (de) * 1984-11-24 1986-06-05 Helmut 7210 Rottweil Steinhilber Vorrichtung zum vereinzelten zufuehren von blaettern zur schreibwalze einer bueromaschine

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3490763T1 (fr) * 1984-09-20 1987-02-19
JPS6176381A (ja) * 1984-09-25 1986-04-18 Nippon Seimitsu Kogyo Kk 自動給紙装置
US4717136A (en) * 1984-11-02 1988-01-05 Albert Rutishauser Process and apparatus for feeding in of recording carriers to the writing roller of an office machine
US4662767A (en) * 1985-08-12 1987-05-05 Xerox Corporation Anti-backlash tractor assembly
US4714243A (en) * 1986-01-28 1987-12-22 Ziyad Incorporated Paper tray for a printing device
US4732255A (en) * 1986-02-18 1988-03-22 Bullard Wade A Dispensing apparatus
DE3708601A1 (de) * 1986-03-18 1987-10-01 Canon Kk Papierfoerdereinrichtung fuer ein aufzeichnungsgeraet
IT1190595B (it) * 1986-06-16 1988-02-16 Olivetti & Co Spa Alimentatore automatico di fogli per macchina per scrivere e simili macchine da ufficio
JPH0678015B2 (ja) * 1986-12-01 1994-10-05 チノン株式会社 プリンタの給紙装置
US5211690A (en) * 1988-12-23 1993-05-18 Canon Kabushiki Kaisha Transmission clutch and recording apparatus which uses the transmission clutch
US4986525A (en) * 1989-01-25 1991-01-22 Brother Kogyo Kabushiki Kaisha Sheet feed device for use in a printer or the like
JP2676061B2 (ja) * 1989-02-07 1997-11-12 スター精密株式会社 プリンタのベイル装置
US5178378A (en) * 1990-02-09 1993-01-12 Chinon Kabushiki Kaisha Paper feeder
JP3126548B2 (ja) * 1993-05-19 2001-01-22 キヤノン株式会社 記録媒体搬送装置
US5793399A (en) * 1993-12-27 1998-08-11 Canon Kabushiki Kaisha Sheet supplying apparatus
US7377508B2 (en) * 2003-05-12 2008-05-27 Lexmark International, Inc. Pick mechanism and algorithm for an image forming apparatus
US7182192B2 (en) * 2004-11-08 2007-02-27 Lexmark International, Inc. Clutch mechanism and method for moving media within an image forming apparatus
US7699305B2 (en) 2007-03-29 2010-04-20 Lexmark International, Inc. Smart pick control algorithm for an image forming device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2854695A1 (de) * 1978-01-23 1979-07-26 Rutishauser Data Ag Transportvorrichtung fuer blattfoermige aufzeichnungstraeger
DE2950707B2 (de) * 1979-03-20 1981-04-23 Helmut 7210 Rottweil Steinhilber Vorrichtung zum Zuführen von Einzelblättern von einem in einem Magazin gespeicherten Papierstapel zur Schreibwalze einer Büromaschine

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE513464C (de) * 1928-08-05 1930-11-27 Arthur Kaddatz Vorrichtung an Schreibmaschinen zum zeilenrechten Einordnen von mit Randlochungen ausgeruesteten Boegen
US2366206A (en) * 1941-08-18 1945-01-02 Standard Register Co Sheet feeding device
US2565295A (en) * 1943-07-14 1951-08-21 Underwood Corp Paper feeding mechanism for accounting machines
US2791482A (en) * 1953-12-24 1957-05-07 Electro Physical Lab Inc Record trace identification device
US2864484A (en) * 1955-03-01 1958-12-16 Standard Register Co Strip feeding mechanism
US3062534A (en) * 1961-07-03 1962-11-06 Xerox Corp Sheet feed mechanism
US3519117A (en) * 1969-05-23 1970-07-07 Singer Co Feed roller construction and drive
CH611577A5 (en) * 1976-04-05 1979-06-15 Kurt Ruenzi Device on an office machine for the automatic feeding thereof with sheets
DE2526445A1 (de) * 1975-06-13 1976-12-23 Triumph Werke Nuernberg Ag Papiereinwerfer
US4368994A (en) * 1976-07-14 1983-01-18 The Singer Company Single servo driven printer
JPS5374831A (en) * 1976-12-15 1978-07-03 Seiko Epson Corp Video game device
JPS5393912A (en) * 1977-01-26 1978-08-17 Suwa Seikosha Kk Paper feeder
DE2816442C2 (de) * 1978-04-15 1981-12-17 Helmut 7210 Rottweil Steinhilber Vorrichtung zum Zuführen von Einzelblättern von einem in einem Magazin gespeicherten Papierstapel zur Schreibwalze einer Büromaschine
JPS5556930A (en) * 1978-09-22 1980-04-26 Canon Inc Recorder
DE2941816C2 (de) * 1979-10-16 1985-05-09 Helmut 7210 Rottweil Steinhilber Vorrichtung zum Zuführen von Einzelblättern zur Schreibwalze einer Büromaschine
JPS571780A (en) * 1980-06-03 1982-01-06 Ricoh Co Ltd Paper feeder for printer
JPS5780089A (en) * 1980-11-06 1982-05-19 Ricoh Co Ltd Typeprinter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2854695A1 (de) * 1978-01-23 1979-07-26 Rutishauser Data Ag Transportvorrichtung fuer blattfoermige aufzeichnungstraeger
DE2950707B2 (de) * 1979-03-20 1981-04-23 Helmut 7210 Rottweil Steinhilber Vorrichtung zum Zuführen von Einzelblättern von einem in einem Magazin gespeicherten Papierstapel zur Schreibwalze einer Büromaschine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3442814A1 (de) * 1983-11-25 1985-07-11 Silver Seiko Ltd., Kodaira, Tokio/Tokyo Automatische papiertransportvorrichtung
WO1985005076A1 (fr) * 1984-05-02 1985-11-21 Olympia Werke Ag Dispositif d'entrainement a moteur electrique pour differentes fonctions dans les machines a ecrire ou dans les imprimantes de construction semblable
DE3442915A1 (de) * 1984-11-24 1986-06-05 Helmut 7210 Rottweil Steinhilber Vorrichtung zum vereinzelten zufuehren von blaettern zur schreibwalze einer bueromaschine

Also Published As

Publication number Publication date
EP0105844A3 (en) 1984-06-06
BR8305532A (pt) 1984-05-15
JPS5987187A (ja) 1984-05-19
CA1220441A (fr) 1987-04-14
CH663601A5 (de) 1987-12-31
DE3370146D1 (en) 1987-04-16
JPH0630915B2 (ja) 1994-04-27
US4544294A (en) 1985-10-01
EP0105844B1 (fr) 1987-03-11
EP0105844B2 (fr) 1992-11-11

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