CA2053555C - Copieur a mecanisme de separation de feuilles superposees - Google Patents

Copieur a mecanisme de separation de feuilles superposees

Info

Publication number
CA2053555C
CA2053555C CA002053555A CA2053555A CA2053555C CA 2053555 C CA2053555 C CA 2053555C CA 002053555 A CA002053555 A CA 002053555A CA 2053555 A CA2053555 A CA 2053555A CA 2053555 C CA2053555 C CA 2053555C
Authority
CA
Canada
Prior art keywords
sheet
sheets
friction
friction piece
copier
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
CA002053555A
Other languages
English (en)
Other versions
CA2053555A1 (fr
Inventor
Hiroshi Tabuchi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CA2053555A1 publication Critical patent/CA2053555A1/fr
Application granted granted Critical
Publication of CA2053555C publication Critical patent/CA2053555C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52—Friction retainers acting on under or rear side of article being separated
    • B65H3/5207—Non-driven retainers, e.g. movable retainers being moved by the motion of the article
    • B65H3/5215—Non-driven retainers, e.g. movable retainers being moved by the motion of the article the retainers positioned under articles separated from the top of the pile
    • B65H3/5223—Retainers of the pad-type, e.g. friction pads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
    • 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
    • G03G15/6511—Feeding devices for picking up or separation of copy sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/21—Angle
    • B65H2511/212—Rotary position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/514—Particular portion of element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing
    • B65H2513/51—Sequence of process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/60—Details of intermediate means between the sensing means and the element to be sensed
    • B65H2553/61—Mechanical means, e.g. contact arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1311—Edges leading edge
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
    • G03G2215/004—Separation device
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
    • G03G2215/00405—Registration device
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00556—Control of copy medium feeding

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Controlling Sheets Or Webs (AREA)
CA002053555A 1990-10-25 1991-10-16 Copieur a mecanisme de separation de feuilles superposees Expired - Lifetime CA2053555C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2290464A JPH04164752A (ja) 1990-10-25 1990-10-25 複写機
JP290464/90 1990-10-25

Publications (2)

Publication Number Publication Date
CA2053555A1 CA2053555A1 (fr) 1992-04-26
CA2053555C true CA2053555C (fr) 1995-01-17

Family

ID=17756360

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002043665A Expired - Lifetime CA2043665C (fr) 1990-10-25 1991-05-31 Machine a copier
CA002053555A Expired - Lifetime CA2053555C (fr) 1990-10-25 1991-10-16 Copieur a mecanisme de separation de feuilles superposees

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002043665A Expired - Lifetime CA2043665C (fr) 1990-10-25 1991-05-31 Machine a copier

Country Status (4)

Country Link
JP (1) JPH04164752A (fr)
CA (2) CA2043665C (fr)
DE (2) DE4121296A1 (fr)
GB (2) GB2249082B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0981016A (ja) * 1995-09-19 1997-03-28 Fujitsu Ltd 電子写真画像形成装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025187A (en) * 1974-09-05 1977-05-24 Xerox Corporation Buckle control system
US4113244A (en) * 1975-04-15 1978-09-12 Kurt Ruenzi Apparatus for automatically feeding individual sheets from a stack through an office machine
DE2704045C3 (de) * 1977-02-01 1979-06-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Vorrichtung zum Verhindern von Doppelabzügen
JPS5667858A (en) * 1979-11-08 1981-06-08 Canon Inc Sheet registration mechanism releasing device
EP0031726B1 (fr) * 1979-12-29 1984-12-12 Mita Industrial Co. Ltd. Appareil à copier électrostatique
JPS56128066A (en) * 1980-02-11 1981-10-07 Exxon Research Engineering Co Facsimile sheet feeding device
US4306713A (en) * 1980-04-25 1981-12-22 International Business Machines Corporation Document feeder
DE3206993C2 (de) * 1981-02-27 1985-08-22 Canon K.K., Tokio/Tokyo Bilderzeugungsgerät mit Mitteln zur Steuerung des Transports von Aufzeichnungsmaterial bei dessen fehlerhafter Mehrfachzufuhr
JPS5859137A (ja) * 1981-09-25 1983-04-08 Konishiroku Photo Ind Co Ltd 給紙装置
JPH0623872B2 (ja) * 1982-11-30 1994-03-30 三田工業株式会社 静電複写機
JPS61132941A (ja) * 1984-12-03 1986-06-20 Ricoh Co Ltd 複写装置
JPS62140041U (fr) * 1986-02-28 1987-09-03
US4974020A (en) * 1986-09-30 1990-11-27 Mita Industrial Co. Removable developing units for a copying machine and display for indicating the useful life of the machine
US4900003A (en) * 1987-11-09 1990-02-13 Canon Kabushiki Kaisha Sheet conveying apparatus
US5002266A (en) * 1987-12-26 1991-03-26 Canon Kabushiki Kaisha Sheet feed apparatus for image forming system

Also Published As

Publication number Publication date
CA2043665A1 (fr) 1992-04-26
CA2053555A1 (fr) 1992-04-26
GB9112594D0 (en) 1991-07-31
GB2249082B (en) 1994-06-29
CA2043665C (fr) 1998-12-01
DE4121296A1 (de) 1992-04-30
GB2249082A (en) 1992-04-29
GB2250715A (en) 1992-06-17
DE4135315A1 (de) 1992-04-30
GB9121895D0 (en) 1991-11-27
JPH04164752A (ja) 1992-06-10

Similar Documents

Publication Publication Date Title
EP0504833B1 (fr) Appareil pour l'alimentation en feuilles
US3944212A (en) Sheet reversing mechanism
CN100555094C (zh) 片材供给装置和成像装置
JPH1135226A (ja) 排出媒体検出装置及びこの装置を有する媒体搬送装置、画像形成装置
US5921540A (en) Vacuum corrugation feeder with a retractable corrugator
JPS6010622B2 (ja) シ−ト取扱い装置
USRE39168E1 (en) Image forming apparatus in use with a sheet post-processing apparatus
JP3658057B2 (ja) 給紙装置、電子写真印刷機、及び両面印刷方法
US5931455A (en) Sheet feeding apparatus and two side image forming apparatus therewith
US4364550A (en) Corrugation venturi paper feeder
US5293204A (en) Copier with a superposed-sheet separation mechanism
US6502818B1 (en) Sheet feeding device and image forming apparatus therewith
GB2250715A (en) Copier with a superposed-sheet separation mechanism,
EP0848300B1 (fr) Imprimante recto-verso pour imprimer une feuille sur un côté
US4920383A (en) Paper handling for repetitive movement of variable length media through an image transfer station
JPH05201557A (ja) 給紙装置
JPH04235848A (ja) シート材搬送装置
JPH04323166A (ja) シート積載量検出装置及び前記シート積載量検出装置を有する画像形成装置
JP2610977B2 (ja) イメ−ジ読み取り装置
JP2726901B2 (ja) 給紙装置
JP3591976B2 (ja) 画像形成装置
JP2805783B2 (ja) 給紙装置
JPH04213537A (ja) 電子写真装置
JP2719590B2 (ja) 給紙装置
JPH02178133A (ja) 給紙装置

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry