Title:
給紙装置及び画像形成装置
Document Type and Number:
Japanese Patent JP4732258
Kind Code:
B2
Abstract:
A sheet feeding apparatus (10) includes a sheet stacking portion (11) for stacking thereon a sheet, a sheet feeding portion (12) for axially supporting a sheet feeding roller (21), and a spring portion (26) actable on the sheet feeding portion. The spring portion acts on the sheet feeding portion so that the sheet feeding roller is pressed against the sheet with a pressing force when a sheet stacking amount is large and so that the pressing force is decreased by canceling moment created by a weight of the sheet feeding portion when the sheet stacking amount is small.
Inventors:
Shinya Sonoda
Izumi Masato
Izumi Masato
Application Number:
JP2006187921A
Publication Date:
July 27, 2011
Filing Date:
July 07, 2006
Export Citation:
Assignee:
Canon Inc
International Classes:
B65H3/06; B65H3/52; B65H3/68; B65H15/00
Domestic Patent References:
| JP8268582A | ||||
| JP2004067389A | ||||
| JP7237759A | ||||
| JP7137858A | ||||
| JP2006103817A | ||||
| JP11139607A | ||||
| JP2005008416A | ||||
| JP2005001828A | ||||
| JP11334947A | ||||
| JP4303334A |
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa
Sogo Kuroiwa