Invention Grant
- Patent Title: Sheet feeding apparatus and image forming apparatus
-
Application No.: US15899775Application Date: 2018-02-20
-
Publication No.: US10394178B2Publication Date: 2019-08-27
- Inventor: Yasuhito Fujinuma
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Venable LLP
- Priority: JP2017-029612 20170221
- Main IPC: B65H1/14
- IPC: B65H1/14 ; B65H3/06 ; G03G15/00 ; B65H1/08 ; B65H1/04 ; B65H7/14 ; B65H7/18 ; B65H7/04 ; B65H7/02

Abstract:
A sheet feeding device includes a stacking unit for stacking a sheet; a feeding member for feeding the sheet stack on the stacking unit; a holding member holding the feeding member; a holder supporting portion, provided above the stacking unit, for detachably supporting the holding member; a raising and lowering unit for raising and lowering the holding member; a detection unit for detecting a topmost surface of the sheet stacked on the stacking unit, by detecting the holding member; a control unit for effecting raising and lowering operation of the holding member using the raising and lowering unit before a feeding operation of the feeding member and detect presence or absence of the holding member on the basis of a signal from the detection unit produced with the raising and lowering operation.
Public/Granted literature
- US20180239295A1 SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS Public/Granted day:2018-08-23
Information query