发明授权
- 专利标题： Sheet separator friction pad
- 专利标题（中）： 片分离器摩擦垫
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申请号： US850897申请日： 1997-05-02
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公开(公告)号： US05996989A公开(公告)日： 1999-12-07
- 发明人: Daniel Paul Cahill , Edward Alan Rush , Scott Stephen Williams
- 申请人： Daniel Paul Cahill , Edward Alan Rush , Scott Stephen Williams
- 申请人地址： KY Lexington
- 专利权人： Lexmark International, Inc.
- 当前专利权人： Lexmark International, Inc.
- 当前专利权人地址： KY Lexington
- 主分类号： B41J13/00
- IPC分类号： B41J13/00 ; B41L21/02 ; B65H3/52 ; G03G15/00
摘要：
A sheet feeding apparatus having an edge aligned system always maintains a nip between an intermittently driven pick roll and a friction or separator pad. When a top sheet of a stack is being advanced by the pick roll, a first spring exerts a first force on the friction or separator pad to enable advancement and separation of the top sheet. When the pick roll is stopped, a second spring exerts a second force substantially smaller than the first force on the friction or separator pad but sufficient to maintain the nip between the pick roll and the friction or separator pad to retard.
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