EP0241358A1 - Schreibmaschine mit Vorrichtung zur wahlweisen Zufuhr von Einzelblättern aus zwei Papiermagazinen - Google Patents

Schreibmaschine mit Vorrichtung zur wahlweisen Zufuhr von Einzelblättern aus zwei Papiermagazinen Download PDF

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Publication number
EP0241358A1
EP0241358A1 EP87400727A EP87400727A EP0241358A1 EP 0241358 A1 EP0241358 A1 EP 0241358A1 EP 87400727 A EP87400727 A EP 87400727A EP 87400727 A EP87400727 A EP 87400727A EP 0241358 A1 EP0241358 A1 EP 0241358A1
Authority
EP
European Patent Office
Prior art keywords
sheets
motor
wheel
printing
arm
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
EP87400727A
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English (en)
French (fr)
Other versions
EP0241358B1 (de
Inventor
Jean-Pierre Deschamps
Benoît BIZET
Jean-Michel Ciccone
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.)
Sagem SA
Original Assignee
Sagem SA
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Filing date
Publication date
Application filed by Sagem SA filed Critical Sagem SA
Publication of EP0241358A1 publication Critical patent/EP0241358A1/de
Application granted granted Critical
Publication of EP0241358B1 publication Critical patent/EP0241358B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/44—Simultaneously, alternately, or selectively separating articles from two or more piles

Definitions

  • the systems for extracting sheets from the loading trays and for selecting the appropriate tray are, in these known machines, driven by their own electric motor, that is to say which is different from the feed motors of the sheets and printing in particular; the motor with two directions of rotation is associated with a transmission train including two free wheels so as to selectively drive the rollers for extracting the sheets or demarry rollers respectively in the two trays.
  • the motor used has a very high speed of rotation, which means that the movement transmission gears also rotate quickly, hence the generation of a noise important; in addition, the pinions, to be sufficiently resistant, must be metallic, which increases their cost and, taking account of the high rotational speeds, they must be mounted on ball bearings or the like, resulting in an additional increase in costs.
  • the object of the invention is essentially to remedy the drawbacks presented by these known printing machines, and to arrange the selective sheet feeding device so as to reduce its cost and make it more silent to operate.
  • the invention also proposes to take advantage of this arrangement to improve access to the various organs of the selective sheet feeding device, or even to the organs of the rest of the printing machine, so that maintenance and possible replacement of parts they are facilitated, simplified and therefore less expensive.
  • a printing machine arranged in accordance with the invention is characterized in that the device for feeding sheets of printing support is constituted in the form of a removable unitary module and also comprises means for taking movement which are able to cooperate by simple contact with a rotating member driven by the aforesaid main motor located outside the feed device, in the remaining part of the printing machine, and which are further arranged to transmit this movement inside of the device, and in that the aforesaid selection means comprise movement distributing means associated with said means for picking up and transmitting movements to direct the movement towards the means for extracting sheets from the selected tray and motor means for controlling said means distribution means so that they can occupy at least three positions, namely at at least two functional positions in which they cooperate selectively respectively with the means for extracting the two tanks and a neutral position in which they do not cooperate with any of the means for extracting the tanks.
  • the movement sampling means In order to make the positioning tolerances of the module in the printing machine less critical, it is advantageous for the movement sampling means to be able to cooperate by simple contact and without precise adjustment with the rotating member secured to the motor.
  • the means for picking up and transmitting movement to comprise an arm projecting at least partially outside the sheet feeder and articulated in rotation on said device; a power take-off wheel, carried by the free end of the arm, capable of cooperating with the rotating member of the sheet driving mechanism in the printer; an endless link supported by two pulleys or the like, one of which is coaxial with the power take-off wheel and integral with the latter in rotation and the other of which is coaxial with the axis of articulation of the arm on the device ; and elastic return means associated with the arm arranged so that the power take-off wheel is applied elastically between the rotating member.
  • the distributing means comprise a pendulum supported in rotation coaxially with the articulation axis of the arm and carrying at least one satellite wheel which interacts with a driven wheel, integral with the pulley for supporting the endless link coaxial with the axis of articulation of the arm and which is capable of coming into contact selectively with one or the other of the means for extracting sheets from the trays.
  • the motor means for controlling the balance comprises a drive member coupled to the pivoting balance and an electric motor whose output shaft cooperates in rotation with the arcuate edge of the pendulum drive member.
  • FIGS. 1 and 2 are schematic representations, respectively in partial front view and in side view, of a part of the printing machine arranged according to the invention
  • FIG. 3 is a partial side view of a part of the machine arranged according to the invention, constituting a variant of the arrangement of FIG. 2.
  • FIGS. 1 and 2 there is shown a part (generally the rear part or a side part) of a printing machine 1 shown by its cover 2, the part considered of the machine being the one where the supply of printing sheets (for example sheets of paper) is located.
  • the motor 3 or line spacing motor intended to move a sheet (not visible) in front of line by line printing means (not shown), as well as a toothed wheel 4 wedged on the axis of this engine.
  • the device 6 is provided with an arm 11, partially projecting from the outside, which, at its internal end (right end in FIG. 2), is pivotally mounted on an axis 12. At its other end (end on the left in Fig. 2), the arm 11 carries a toothed wheel 13 able to cooperate with the toothed wheel 4 driven by the motor 3.
  • an endless link such as a toothed belt 14, is supported d 'one side by a pulley 15 coaxial with the wheel 13 and integral in rotation with the latter and by a pulley 16 turning madly on the axis 12 of the opposite end of the arm.
  • a toothed wheel 17 is mounted on the axis 12 and is integral in rotation with the pulley 16.
  • a balance 18 is also supported for free rotation on the axis 12, this balance having the shape of a circular sector centered on the axis 12 and supporting at these two ends two idle gear wheels or satellite wheels 19 meshing with the gear wheel 17.
  • the circular periphery, or a part thereof, of the pendulum 18 is toothed (at 20) to cooperate with a toothed wheel 21 driven by a motor 22 with a double direction of rotation controlled by an appropriate selection means (change-over switch) not shown.
  • the selection of the upper or lower tray 7 is carried out by controlling the appropriate direction of rotation of the selection motor 22 which drives the balance 18; for example in the direction of arrow 24, as shown in the figures, to bring the upper toothed wheel 19 into contact with a toothed wheel 25 wedged on the upper shaft 10 (the lower toothed wheel 19 then being released from the toothed wheel 25 wedged on the lower shaft 10): it is then the sheets 8 of the upper tray which are delivered to the printing machine during printing.
  • a return spring 26 is associated with the balance 18 to return the latter to the neutral position in the absence of control of the selection motor 22: the wheels 25 and 19 both lower and upper no longer cooperate.
  • an elastic return arm 11 ensures effective cooperation of the toothed wheels 4 and 13, whatever the longitudinal positioning (within a certain range) of the device 6 relative to the motor 3, which makes the tolerances of said positioning.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
EP87400727A 1986-04-08 1987-04-02 Schreibmaschine mit Vorrichtung zur wahlweisen Zufuhr von Einzelblättern aus zwei Papiermagazinen Expired - Lifetime EP0241358B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8604978A FR2596703B1 (fr) 1986-04-08 1986-04-08 Machine imprimante equipee d'un dispositif d'alimentation selective en feuilles d'impression reparties dans deux bacs chargeurs
FR8604978 1986-04-08

Publications (2)

Publication Number Publication Date
EP0241358A1 true EP0241358A1 (de) 1987-10-14
EP0241358B1 EP0241358B1 (de) 1990-10-17

Family

ID=9334000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87400727A Expired - Lifetime EP0241358B1 (de) 1986-04-08 1987-04-02 Schreibmaschine mit Vorrichtung zur wahlweisen Zufuhr von Einzelblättern aus zwei Papiermagazinen

Country Status (5)

Country Link
US (1) US4770555A (de)
EP (1) EP0241358B1 (de)
DE (1) DE3765565D1 (de)
ES (1) ES2018279B3 (de)
FR (1) FR2596703B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2259499A (en) * 1991-09-11 1993-03-17 Xerox Corp Feeding sheets from a pile
EP0562812A1 (de) * 1992-03-26 1993-09-29 Xerox Corporation Gefaltete Klave in einer Zuführvorrichtung für Aufzeichnungsträger

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3707886A1 (de) * 1987-03-12 1988-09-22 Mannesmann Ag Vorrichtung zum zufuehren von einzelblaettern zur schreibwalze einer bueromaschine, insbesondere eines matrixdruckers
FR2665862B1 (fr) * 1990-08-20 1993-12-10 Seikosha Co Ltd Imprimante matricielle.
US5419543A (en) * 1992-07-22 1995-05-30 Tokyo Electric Co., Ltd. Paper feeding apparatus for printer
KR100211795B1 (ko) * 1996-11-08 1999-08-02 윤종용 레이저 빔 프린터의 보조 급지 장치용 구동장치
JP3581519B2 (ja) * 1997-04-24 2004-10-27 キヤノン株式会社 シート収容カセット、および、これを備えたシート給送装置，画像形成装置
US5954326A (en) * 1997-11-14 1999-09-21 Hewlett-Packard Company Three state shifting device for multi-function office equipment
US7306216B2 (en) * 2002-12-30 2007-12-11 Samsung Electronics Co., Ltd. Power transmitting apparatus, power switching apparatus, and driving apparatus of multi-function machine using the same
US7198263B2 (en) * 2004-04-21 2007-04-03 Lexmark International, Inc. Dual tray selectable sheet picking assembly
JP4605239B2 (ja) * 2008-03-31 2011-01-05 ブラザー工業株式会社 シート搬送装置及び画像記録装置
JP6406034B2 (ja) 2015-01-28 2018-10-17 ブラザー工業株式会社 電子機器
JP6406037B2 (ja) * 2015-01-29 2018-10-17 ブラザー工業株式会社 画像形成装置
JP6601107B2 (ja) * 2015-09-30 2019-11-06 ブラザー工業株式会社 画像形成システム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426001A1 (fr) * 1978-05-16 1979-12-14 Wang Laboratories Dispositif a double alimentation pour l'alimentation en feuilles de papier d'une imprimante
EP0103842A2 (de) * 1982-09-17 1984-03-28 Siemens Aktiengesellschaft Anordnung zum wahlweisen Entnehmen von einzelnen Papierblättern aus zwei Kassetten
GB2132591A (en) * 1982-12-17 1984-07-11 Centronics Data Computer Mechanical feed system for feeding cut sheet paper to a printer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1939130U (de) * 1966-03-28 1966-05-26 Grinten Chem L V D Blattabgabevorrichtung.
JPS58212537A (ja) * 1982-05-31 1983-12-10 Toshiba Corp 用紙搬送装置
JPS59177236A (ja) * 1983-03-26 1984-10-06 Canon Inc 給紙装置
CH654254A5 (fr) * 1983-06-03 1986-02-14 Hermes Precisa International Dispositif d'alimentation en feuilles pour imprimante ou machine a ecrire.
DE3445633A1 (de) * 1984-12-14 1986-06-26 Mannesmann AG, 4000 Düsseldorf Vorrichtung zum separieren bzw. zufuehren von aufzeichnungstraegern fuer eine schreibmaschine, insbesondere fuer einen matrixdrucker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426001A1 (fr) * 1978-05-16 1979-12-14 Wang Laboratories Dispositif a double alimentation pour l'alimentation en feuilles de papier d'une imprimante
EP0103842A2 (de) * 1982-09-17 1984-03-28 Siemens Aktiengesellschaft Anordnung zum wahlweisen Entnehmen von einzelnen Papierblättern aus zwei Kassetten
GB2132591A (en) * 1982-12-17 1984-07-11 Centronics Data Computer Mechanical feed system for feeding cut sheet paper to a printer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 34 (M-357)[1757], 4 février 1985; & JP-A-59 177 236 (CANON K.K.) 06-10-1984 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2259499A (en) * 1991-09-11 1993-03-17 Xerox Corp Feeding sheets from a pile
GB2259499B (en) * 1991-09-11 1995-11-22 Xerox Corp Sheet feeding apparatus
EP0562812A1 (de) * 1992-03-26 1993-09-29 Xerox Corporation Gefaltete Klave in einer Zuführvorrichtung für Aufzeichnungsträger

Also Published As

Publication number Publication date
US4770555A (en) 1988-09-13
EP0241358B1 (de) 1990-10-17
FR2596703B1 (fr) 1988-07-08
DE3765565D1 (de) 1990-11-22
ES2018279B3 (es) 1991-04-01
FR2596703A1 (fr) 1987-10-09

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