JP6800615B2 - シート搬送装置、画像読取装置及び画像形成装置 - Google Patents
シート搬送装置、画像読取装置及び画像形成装置 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
- B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between rollers or balls
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- 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
- B65H1/12—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 comprising spring
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- 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
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
- B65H3/0638—Construction of the rollers or like rotary separators
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- 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
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
- B65H3/0669—Driving devices therefor
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- 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
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
- B65H3/0676—Rollers or like rotary separators with two or more separator rollers in the feeding direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
- B65H5/068—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between one or more rollers or balls and stationary pressing, supporting or guiding elements
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/62—Holders for the original
- G03B27/6207—Holders for the original in copying cameras
- G03B27/625—Apparatus which relate to the handling of originals, e.g. presence detectors, inverters
- G03B27/6257—Arrangements for moving an original once or repeatedly to or through an exposure station
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/62—Holders for the original
- G03B27/6207—Holders for the original in copying cameras
- G03B27/625—Apparatus which relate to the handling of originals, e.g. presence detectors, inverters
- G03B27/6264—Arrangements for moving several originals one after the other to or through an exposure station
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- 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
- G03G15/23—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material
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- 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
- G03G15/60—Apparatus which relate to the handling of originals
- G03G15/602—Apparatus which relate to the handling of originals for transporting
-
- 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
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- 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
- G03G15/6529—Transporting
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
- G03G21/1647—Mechanical connection means
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
- G03G21/1695—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for paper transport
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2402/00—Constructional details of the handling apparatus
- B65H2402/40—Details of frames, housings or mountings of the whole handling apparatus
- B65H2402/44—Housings
- B65H2402/441—Housings movable for facilitating access to area inside the housing, e.g. pivoting or sliding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/20—Belt drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/50—Driving mechanisms
- B65H2403/53—Articulated mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/70—Clutches; Couplings
- B65H2403/72—Clutches, brakes, e.g. one-way clutch +F204
- B65H2403/721—Positive-contact clutches, jaw clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/14—Roller pairs
- B65H2404/144—Roller pairs with relative movement of the rollers to / from each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/60—Other elements in face contact with handled material
- B65H2404/61—Longitudinally-extending strips, tubes, plates, or wires
- B65H2404/611—Longitudinally-extending strips, tubes, plates, or wires arranged to form a channel
- B65H2404/6111—Longitudinally-extending strips, tubes, plates, or wires arranged to form a channel and shaped for curvilinear transport path
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2405/00—Parts for holding the handled material
- B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
- B65H2405/11—Parts and details thereof
- B65H2405/115—Cover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2601/00—Problem to be solved or advantage achieved
- B65H2601/30—Facilitating or easing
- B65H2601/32—Facilitating or easing entities relating to handling machine
- B65H2601/321—Access
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/39—Scanning
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
- G03G2221/1657—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts transmitting mechanical drive power
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Electrophotography Configuration And Component (AREA)
- Paper Feeding For Electrophotography (AREA)
Description
Claims (9)
- シートを搬送する搬送回転体と、
前記搬送回転体を駆動する駆動手段と、
前記駆動手段の駆動を前記搬送回転体に伝達する駆動伝達手段と、を備え、
前記駆動伝達手段は、
前記駆動手段により回転する第1回転部材と、
前記搬送回転体と共に回転する第2回転部材と、
前記第1回転部材及び前記第2回転部材が、互いに独立して回転可能に支持される軸と、
前記軸に軸方向に移動可能に設けられ、前記第1回転部材と一体的に回転する駆動伝達部材と、
前記駆動伝達部材を、前記第2回転部材と係合して前記第1回転部材の回転を前記第2回転部材に伝達する駆動伝達位置及び前記第2回転部材との係合が解除されて前記第2回転部材への前記第1回転部材の回転の伝達を解除する駆動伝達解除位置に移動させる移動手段と、
前記搬送回転体により搬送されるシートが通過するシート搬送路を開放するために開閉可能な開閉部材と、
を備え、
前記移動手段は、前記開閉部材が閉められた状態のとき前記駆動伝達部材を前記駆動伝達位置に保持し、前記開閉部材が開放される際、前記開閉部材の開放に連動して前記駆動伝達部材を前記駆動伝達位置から前記駆動伝達解除位置に移動することを特徴とするシート搬送装置。 - 前記移動手段は、前記開閉部材が閉められた状態のとき前記駆動伝達部材の軸方向の一端部を前記第1回転部材から前記第2回転部材の方向に突出させて前記第2回転部材と係合させ、前記開閉部材が開放されると前記駆動伝達部材を突出方向と逆の退避方向に移動させて前記一端部の前記第2回転部材との係合を解除することを特徴とする請求項1記載のシート搬送装置。
- 前記移動手段は、
前記駆動伝達部材を支持する支持部材と、
前記開閉部材の開閉に連動して前記支持部材と一体的に前記駆動伝達部材を移動させる連動部材と、
前記駆動伝達部材及び前記支持部材の間に設けられ、前記駆動伝達部材を前記支持部材に対し軸方向に相対移動可能に前記第2回転部材に向けて付勢する付勢手段と、を備え、
前記開閉部材が閉められると前記連動部材が第1方向に移動して前記駆動伝達部材を前記付勢手段により付勢された状態で前記駆動伝達位置に位置させ、前記開閉部材が開放されると前記連動部材が第2方向に移動して前記駆動伝達部材を前記駆動伝達解除位置に移動させることを特徴とする請求項2記載のシート搬送装置。 - 前記連動部材を付勢し、前記開閉部材が開放される際、前記連動部材を前記駆動伝達部材が前記駆動伝達解除位置に位置する第1位置に移動させる連動部材付勢手段を備え、
前記連動部材は、前記開閉部材が閉められる際、前記連動部材付勢手段に抗して前記駆動伝達部材を前記駆動伝達位置に位置させる第2位置に移動することを特徴とする請求項3記載のシート搬送装置。 - 前記連動部材は、前記軸と直交する揺動軸を中心に揺動可能に設けられ、
一方の揺動端には前記第1位置及び前記第2位置に移動する際、前記支持部材と係合する係合部が形成され、他方の揺動端には前記開閉部材が閉められた状態で前記開閉部材と係合し、前記連動部材の前記連動部材付勢手段による前記第1位置への移動を規制する規制部が形成されていることを特徴とする請求項4記載のシート搬送装置。 - 前記第1回転部材には前記駆動伝達部材の一端部が挿通される開口部が形成され、
前記第2回転部材には前記開口部に挿通されて前記第1回転部材から突出した前記駆動伝達部材の一端部と係合する係合部が形成されることを特徴とする請求項2乃至5のいずれか1項に記載のシート搬送装置。 - 前記駆動伝達部材の一端部は、突出方向下流側の方が突出方向上流側よりも狭くなるように形成されたテーパ面を有することを特徴とする請求項2乃至6のいずれか1項に記載のシート搬送装置。
- シートの画像を読み取る画像読み取り手段と、
前記画像読み取り手段により画像が読み取られるシートを搬送する請求項1乃至7の何れか1項に記載のシート搬送装置と、を備えることを特徴とする画像読取装置。 - シートに画像を形成する画像形成部と、
前記画像形成部により画像が形成されたシートを搬送する請求項1乃至7の何れか1項に記載のシート搬送装置と、を備えることを特徴とする画像形成装置。
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JP2016109324A JP6800615B2 (ja) | 2016-05-31 | 2016-05-31 | シート搬送装置、画像読取装置及び画像形成装置 |
US15/590,196 US10392211B2 (en) | 2016-05-31 | 2017-05-09 | Sheet conveyance apparatus, image reading apparatus and image forming apparatus |
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US10804821B2 (en) | 2016-11-04 | 2020-10-13 | Advanced Ion Beam Technology, Inc. | Apparatus and method for monitoring the relative relationship between the wafer and the chuck |
JP7104543B2 (ja) * | 2018-04-09 | 2022-07-21 | 富士通コンポーネント株式会社 | 記録紙カセット |
JP7353792B2 (ja) * | 2018-06-27 | 2023-10-02 | キヤノン株式会社 | シート搬送装置及び画像読取装置 |
JP7114373B2 (ja) | 2018-07-06 | 2022-08-08 | キヤノン株式会社 | シート搬送装置、画像読取装置及び画像形成装置 |
JP7467140B2 (ja) * | 2020-01-31 | 2024-04-15 | キヤノン株式会社 | 画像読取装置 |
JP7413056B2 (ja) | 2020-02-07 | 2024-01-15 | キヤノン株式会社 | シート搬送装置、画像読取装置及び画像形成装置 |
JP2023000916A (ja) * | 2021-06-18 | 2023-01-04 | キヤノン株式会社 | 画像読取装置、及び画像形成装置 |
JP2023000917A (ja) * | 2021-06-18 | 2023-01-04 | キヤノン株式会社 | 画像読取装置、及び画像形成装置 |
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JPH0185537U (ja) * | 1987-11-30 | 1989-06-07 | ||
JP3463837B2 (ja) * | 1995-02-01 | 2003-11-05 | 株式会社リコー | 給紙装置 |
JPH09114287A (ja) * | 1995-10-23 | 1997-05-02 | Matsushita Electric Ind Co Ltd | 画像形成装置 |
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JP6589586B2 (ja) * | 2015-11-13 | 2019-10-16 | 株式会社リコー | 自動原稿搬送装置、画像読取装置および画像形成装置 |
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