Invention Grant
- Patent Title: Transfer unit and image forming apparatus
- Patent Title (中): 转印单元和图像形成装置
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Application No.: US11759657Application Date: 2007-06-07
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Publication No.: US07609998B2Publication Date: 2009-10-27
- Inventor: Tsutomu Katoh , Mitsuru Takahashi , Kazuchika Saeki , Nobuto Yokokawa , Kazuosa Kuma , Takeshi Fukao
- Applicant: Tsutomu Katoh , Mitsuru Takahashi , Kazuchika Saeki , Nobuto Yokokawa , Kazuosa Kuma , Takeshi Fukao
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2006-163349 20060613
- Main IPC: G03G15/16
- IPC: G03G15/16
Abstract:
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.
Public/Granted literature
- US20070286640A1 TRANSFER UNIT AND IMAGE FORMING APPARATUS Public/Granted day:2007-12-13
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