发明申请
- 专利标题: Sheet Feeder and Image Forming Apparatus
- 专利标题(中): 送纸器和图像形成装置
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申请号: US12372786申请日: 2009-02-18
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公开(公告)号: US20090206543A1公开(公告)日: 2009-08-20
- 发明人: Hiroshi Nobe , Hikaru Iino
- 申请人: Hiroshi Nobe , Hikaru Iino
- 申请人地址: JP Nagoya-shi
- 专利权人: Brother Kogyo Kabushiki Kaisha
- 当前专利权人: Brother Kogyo Kabushiki Kaisha
- 当前专利权人地址: JP Nagoya-shi
- 优先权: JP2008-036091 20080218
- 主分类号: B65H3/06
- IPC分类号: B65H3/06
摘要:
A sheet feeder feeds a sheet to an image forming unit. The sheet feeder can include a supply tray that holds a stack of sheets, a separation element disposed at an end of the supply tray, and configured to contact and apply a resistive force to a sheet in the stack, and a separation roller disposed facing the separation element, and configured to rotate contact and apply a feeding force to an uppermost sheet in the stack. The sheet feeder may also include a pressing plate pivotally attached to the supply tray at an end remote from the separation element, and configured to move toward the separation element as a number of sheets in the stack decreases, and a pressure applying element that increases pressure of a contact surface between the separation element and the uppermost sheet in response to the pressing plate moving toward the separation element.