发明授权
- 专利标题： Transfer unit and image forming apparatus
- 专利标题（中）： 转印单元和图像形成装置
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申请号： US11759657申请日： 2007-06-07
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公开(公告)号： US07609998B2公开(公告)日： 2009-10-27
- 发明人: Tsutomu Katoh , Mitsuru Takahashi , Kazuchika Saeki , Nobuto Yokokawa , Kazuosa Kuma , Takeshi Fukao
- 申请人： Tsutomu Katoh , Mitsuru Takahashi , Kazuchika Saeki , Nobuto Yokokawa , Kazuosa Kuma , Takeshi Fukao
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2006-163349 20060613
- 主分类号： G03G15/16
- IPC分类号： G03G15/16
摘要：
A transfer belt is driven by a plurality of supporting rollers. A unit frame supports the supporting rollers in a rotatable manner. At least one of the supporting rollers includes a cylindrical member having a substantially same outer diameter over an entire length thereof. Each end portion of the cylindrical member in a longitudinal direction is supported by the unit frame via a bearing in a rotatable manner.
公开/授权文献
- US20070286640A1 TRANSFER UNIT AND IMAGE FORMING APPARATUS 公开/授权日：2007-12-13
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