JP6229817B2 - 駆動伝達装置、及び、画像形成装置 - Google Patents
駆動伝達装置、及び、画像形成装置 Download PDFInfo
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- JP6229817B2 JP6229817B2 JP2017511513A JP2017511513A JP6229817B2 JP 6229817 B2 JP6229817 B2 JP 6229817B2 JP 2017511513 A JP2017511513 A JP 2017511513A JP 2017511513 A JP2017511513 A JP 2017511513A JP 6229817 B2 JP6229817 B2 JP 6229817B2
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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
- 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
- B65H1/14—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 positively-acting mechanical devices
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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
- B65H3/0684—Rollers or like rotary separators on moving support, e.g. pivoting, for bringing the roller or like rotary separator into contact with the pile
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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
- B65H3/46—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
- B65H3/5246—Driven retainers, i.e. the motion thereof being provided by a dedicated drive
- B65H3/5253—Driven retainers, i.e. the motion thereof being provided by a dedicated drive the retainers positioned under articles separated from the top of the pile
- B65H3/5261—Retainers of the roller type, e.g. rollers
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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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/10—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with one or more one-way clutches as an essential feature
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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
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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
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
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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
- G03G15/6502—Supplying of sheet copy material; Cassettes therefor
- G03G15/6511—Feeding devices for picking up or separation of copy sheets
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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
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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
- G03G21/1642—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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/42—Piling, depiling, handling piles
- B65H2301/423—Depiling; Separating articles from a pile
- B65H2301/4232—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles
- B65H2301/42324—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles from top of the pile
- B65H2301/423245—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles from top of the pile the pile lying on a stationary support, i.e. the separator moving according to the decreasing height of the pile
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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
- B65H2402/10—Modular constructions, e.g. using preformed elements or profiles
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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
- B65H2403/00—Power transmission; Driving means
- B65H2403/70—Clutches; Couplings
- B65H2403/72—Clutches, brakes, e.g. one-way clutch +F204
-
- 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
- B65H2403/724—Clutches, brakes, e.g. one-way clutch +F204 electromagnetic 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
- B65H2403/00—Power transmission; Driving means
- B65H2403/80—Transmissions, i.e. for changing speed
- B65H2403/82—Variable speed drive units
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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
- B65H2405/30—Other features of supports for sheets
- B65H2405/31—Supports for sheets fully removable from the handling machine, e.g. cassette
- B65H2405/313—Supports for sheets fully removable from the handling machine, e.g. cassette with integrated handling means, e.g. separating means
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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
- B65H2405/30—Other features of supports for sheets
- B65H2405/33—Compartmented support
- B65H2405/332—Superposed compartments
-
- 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
- B65H2801/03—Image reproduction devices
- B65H2801/06—Office-type machines, e.g. photocopiers
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- 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"
- G03G2215/00396—Pick-up device
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fluid Mechanics (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Electrophotography Configuration And Component (AREA)
- Handling Of Sheets (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Gear Transmission (AREA)
Description
N3=(TN1/TN3)×N1 (1)
ここで、歯数TN1は、第1ギア621の歯数であり、歯数TN3は、第3ギア631の歯数である。
N4=(TN1/TN3)×N1 (2)
N2=(TN4/TN2)×N4 (3)
上記(2)式を上記(3)式に代入すると、次の(4)式が得られる。
N2=(TN4/TN2)×(TN1/TN3)×N1 (4)
ここで、図4を参照して説明したように、第4ギア632の歯数TN4は第2ギア622の歯数TN2より大きく、第1ギア621の歯数TN1は第3ギア631の歯数TN3より大きいため、第2ギア622の回転速度N2は、第1ギア621及び回転軸623の回転速度N1より大きい。よって、ワンウェイクラッチ624bが滑るため、第2ギア622は、回転軸623に対して空回りすることになる。
N4a=(TN2/TN4)×N1 (5)
N4=(TN1/TN3)×(TN4/TN2)×N4a (6)
上記(6)式に、歯数の数値を入れると、次の(7)式が得られる。
N4=1.8×N4a (7)
よって、電磁クラッチ634をオフからオンにすることによって、ピックアップローラー12の回転速度を、1.8倍に増速することができる。
Claims (11)
- モーターの駆動力を複数の駆動列を介してローラーに伝達する駆動伝達装置であって、
制御部と、
ワンウェイクラッチを有する第1駆動列と、
前記第1駆動列とは別の駆動列であって、電磁クラッチを有する第2駆動列と
を備え、
前記第1駆動列は、前記モーターからの駆動力を受け、前記第2駆動列に前記駆動力を伝達し、
前記第2駆動列は、前記第1駆動列からの前記駆動力を前記ローラーに伝達し、
前記制御部は、前記電磁クラッチのオンオフを切り換えることによって、前記ローラーの回転速度を切り換え、
前記第1駆動列には、
第1の歯数の歯が外周に形成された第1ギアと、
前記第1の歯数とは異なる第2の歯数の歯が外周に形成された第2ギアとが、前記ワンウェイクラッチを介して回転軸に連結され、
前記第2駆動列には、
前記第1ギアと噛み合い、第3の歯数の歯が外周に形成された第3ギアと、
前記第3の歯数とは異なる第4の歯数の歯が外周に形成された第4ギアとが、前記電磁クラッチを介して回転軸に連結される、駆動伝達装置。 - 前記ワンウェイクラッチは、
前記第1ギアの回転速度が前記第1駆動列の回転軸の回転速度以上であるときに限って、駆動力を前記第1ギアから前記第1駆動列の回転軸に伝達し、
前記第1駆動列の回転軸の回転速度が前記第2ギアの回転速度以上であるときに限って、駆動力を前記第1駆動列の回転軸から前記第2ギアに伝達する、請求項1に記載の駆動伝達装置。 - 前記ワンウェイクラッチは、
前記第1ギアの所定方向の回転速度が前記第1駆動列の回転軸の前記所定方向の回転速度以上であるときに限って、駆動力を前記第1ギアから前記第1駆動列の回転軸に伝達し、
前記第1駆動列の回転軸の前記所定方向の回転速度が前記第2ギアの前記所定方向の回転速度以上であるときに限って、駆動力を前記第1駆動列の回転軸から前記第2ギアに伝達する、請求項1に記載の駆動伝達装置。 - 前記モーターの駆動軸は、前記第1ギア又は前記第2ギアと噛み合い、
前記ローラーの回転軸は、前記第3ギア又は前記第4ギアと噛み合う、請求項1に記載の駆動伝達装置。 - 前記モーターの駆動軸は、前記第1ギア又は前記第2ギアと噛み合い、
前記ローラーの回転軸は、前記第3ギア又は前記第4ギアと少なくとも1つのギアを介して噛み合う、請求項1に記載の駆動伝達装置。 - 前記モーターの駆動軸は、前記第1ギア及び前記第2ギアの一方のギアと噛み合い、
前記ローラーの回転軸は、前記第1ギア及び前記第2ギアの他方のギアと噛み合う、請求項1に記載の駆動伝達装置。 - 前記モーターの駆動軸は、前記第1ギア及び前記第2ギアのうち、一方のギアと噛み合い、
前記ローラーの回転軸は、前記第1ギア及び前記第2ギアのうち、他方のギアと少なくとも1つのギアを介して噛み合う、請求項1に記載の駆動伝達装置。 - 前記第1ギアの前記第3ギアに対するギア比は、前記第4ギアの前記第2ギアに対するギア比と略一致する、請求項1に記載の駆動伝達装置。
- 前記第4の歯数は前記第1の歯数と略一致し、前記第3の歯数は前記第2の歯数と略一致する、請求項1に記載の駆動伝達装置。
- 記録用紙に画像を形成する画像形成部と、
請求項1に記載の駆動伝達装置と
を備える、画像形成装置。 - 前記ローラーは、給紙カセットに積層された最上部の記録用紙を供給するピップアップローラー、記録用紙を搬送する搬送ローラー、感光体ドラム、及び、定着ローラーの少なくとも1つを含む、請求項11に記載の画像形成装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015077794 | 2015-04-06 | ||
JP2015077794 | 2015-04-06 | ||
PCT/JP2016/057579 WO2016163203A1 (ja) | 2015-04-06 | 2016-03-10 | 駆動伝達装置、及び、画像形成装置 |
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JPWO2016163203A1 JPWO2016163203A1 (ja) | 2017-06-15 |
JP6229817B2 true JP6229817B2 (ja) | 2017-11-15 |
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JP2017511513A Active JP6229817B2 (ja) | 2015-04-06 | 2016-03-10 | 駆動伝達装置、及び、画像形成装置 |
Country Status (5)
Country | Link |
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US (1) | US10246282B2 (ja) |
EP (1) | EP3281895B1 (ja) |
JP (1) | JP6229817B2 (ja) |
CN (1) | CN107074466B (ja) |
WO (1) | WO2016163203A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US10252874B2 (en) * | 2017-02-20 | 2019-04-09 | Datamax-O'neil Corporation | Clutch bearing to keep media tension for better sensing accuracy |
TWI655116B (zh) * | 2017-05-19 | 2019-04-01 | 財團法人工業技術研究院 | 一種傳動機構及其應用之單向組件 |
JP7073132B2 (ja) | 2018-02-14 | 2022-05-23 | キヤノン株式会社 | 駆動装置及び画像形成装置 |
JP2019142706A (ja) * | 2018-02-23 | 2019-08-29 | ブラザー工業株式会社 | シート給送装置 |
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 |
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US10246282B2 (en) | 2019-04-02 |
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