JP2008037639A5 - - Google Patents

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Publication number
JP2008037639A5
JP2008037639A5 JP2006218221A JP2006218221A JP2008037639A5 JP 2008037639 A5 JP2008037639 A5 JP 2008037639A5 JP 2006218221 A JP2006218221 A JP 2006218221A JP 2006218221 A JP2006218221 A JP 2006218221A JP 2008037639 A5 JP2008037639 A5 JP 2008037639A5
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JP
Japan
Prior art keywords
sheet material
roller
separation
feeding device
separation roller
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.)
Pending
Application number
JP2006218221A
Other languages
Japanese (ja)
Other versions
JP2008037639A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2006218221A priority Critical patent/JP2008037639A/en
Priority claimed from JP2006218221A external-priority patent/JP2008037639A/en
Publication of JP2008037639A publication Critical patent/JP2008037639A/en
Publication of JP2008037639A5 publication Critical patent/JP2008037639A5/ja
Pending legal-status Critical Current

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Claims (6)

シート材を積載するシート材積載手段と、
前記シート材積載手段に積載されたシート材を給送する給送ローラと、
前記給送ローラから重送されたシート材を１枚ずつに分離する分離ローラと、
を備えたシート材給送装置において、
前記分離ローラと該分離ローラを保持する保持手段とをユニット化した分離ローラユニットが、装置本体に対して着脱自在に構成されることを特徴とするシート材給送装置。 Sheet material stacking means for stacking sheet materials;
A feeding roller for feeding the sheet material stacked on the sheet material stacking means;
A separation roller that separates the sheet material multi-fed from the feeding roller one by one;
In the sheet material feeding device provided with
A sheet material feeding device, wherein a separation roller unit in which the separation roller and a holding unit for holding the separation roller are unitized is configured to be detachable from the apparatus main body. 前記分離ローラユニットは、
前記分離ローラを軸支する分離ローラホルダと該分離ローラホルダを支持するフレーム部材とを有する前記保持手段と、
前記フレーム部材に支持され、前記分離ローラホルダを前記給送ローラ側に付勢する分離ローラ加圧ばねと、
前記分離ローラに制動トルクを加えるトルクリミッタと、
を備えることを特徴とする請求項１に記載のシート材給送装置。 The separation roller unit is
The holding means having a separation roller holder that pivotally supports the separation roller and a frame member that supports the separation roller holder;
A separation roller pressure spring supported by the frame member and biasing the separation roller holder toward the feeding roller;
A torque limiter for applying a braking torque to the separation roller;
The sheet material feeding device according to claim 1, further comprising: 前記シート材積載手段は、昇降可能に設けられた給送圧板を備え、前記分離ローラは、前記給送圧板の昇降に連動して前記給送ローラに圧接する方向に付勢される位置と、前記給送ローラから離間する位置との間で移動することを特徴とする請求項１または２に記載のシート材給送装置。 The sheet material stacking unit includes a feeding pressure plate provided so as to be movable up and down, and the separation roller is urged in a direction in pressure contact with the feeding roller in conjunction with the elevation of the feeding pressure plate ; The sheet material feeding device according to claim 1, wherein the sheet material feeding device moves between a position away from the feeding roller. 前記給送ローラに対して圧接するように設けられ、重送されたシート材を１枚ずつに分離する分離パッドを備えた分離パッドユニットが、
前記分離ローラユニットと交換可能に装置本体に装着できることを特徴とする請求項１乃至３のいずれか１項に記載のシート材給送装置。 A separation pad unit is provided so as to be in pressure contact with the feeding roller, and includes a separation pad that separates the multi-feed sheet material one by one,
The sheet material feeding device according to any one of claims 1 to 3, wherein the sheet material feeding device can be attached to the main body of the apparatus in a replaceable manner with the separation roller unit. 前記分離パッドユニットは、
前記分離パッドを保持する分離パッドホルダと、
前記分離パッドホルダを前記給送ローラ側に付勢する分離パッド加圧ばねと、
前記分離パッドホルダ及び前記分離パッド加圧ばねを支持するフレーム部材と、
を備えること特徴とする請求項４に記載のシート材給送装置。 The separation pad unit is
A separation pad holder for holding the separation pad;
A separation pad pressurizing spring for urging the separation pad holder toward the feeding roller;
A frame member that supports the separation pad holder and the separation pad pressure spring;
The sheet material feeding device according to claim 4, further comprising: 請求項１乃至５のいずれか１項に記載のシート材給送装置と、
該シート材給送装置によって給送されたシート材に対して画像を形成する画像形成手段と、
を備えることを特徴とする画像形成装置。 The sheet material feeding device according to any one of claims 1 to 5,
Image forming means for forming an image on the sheet material fed by the sheet material feeding device;
An image forming apparatus comprising:
JP2006218221A 2006-08-10 2006-08-10 Sheet material feeder Pending JP2008037639A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006218221A JP2008037639A (en) 2006-08-10 2006-08-10 Sheet material feeder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006218221A JP2008037639A (en) 2006-08-10 2006-08-10 Sheet material feeder

Publications (2)

Publication Number Publication Date
JP2008037639A JP2008037639A (en) 2008-02-21
JP2008037639A5 true JP2008037639A5 (en) 2010-07-29

Family

ID=39173099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006218221A Pending JP2008037639A (en) 2006-08-10 2006-08-10 Sheet material feeder

Country Status (1)

Country Link
JP (1) JP2008037639A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5994211B2 (en) 2011-03-01 2016-09-21 セイコーエプソン株式会社 Image processing apparatus and sheet feeding structure
JP6079324B2 (en) * 2013-03-11 2017-02-15 セイコーエプソン株式会社 Medium transport device and printer
JP6056566B2 (en) * 2013-03-11 2017-01-11 セイコーエプソン株式会社 Medium separation roller mounting mechanism, roller holder unit, medium conveyance device, and printer
JP2018084734A (en) * 2016-11-25 2018-05-31 キヤノン株式会社 Image forming apparatus
JP2021036337A (en) * 2020-11-11 2021-03-04 キヤノン株式会社 Image forming apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63194838A (en) * 1987-02-06 1988-08-12 Nissan Motor Co Ltd Manufacture of v block for v belt
JPH0313434A (en) * 1989-06-13 1991-01-22 Ricoh Co Ltd Paper feeding and separating device
JPH08169581A (en) * 1994-12-15 1996-07-02 Fuji Xerox Co Ltd Paper feeder
JPH08277046A (en) * 1995-04-10 1996-10-22 Canon Inc Paper supply and conveyance device and recorder therewith

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