- 专利标题: Fixing device and image forming apparatus incorporating same
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申请号: US16020155申请日: 2018-06-27
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公开(公告)号: US10234798B2公开(公告)日: 2019-03-19
- 发明人: Yohhei Watanabe , Naoto Suzuki , Shinichi Namekata , Akiyasu Amita , Takashi Sakamaki , Teppei Kawata , Masateru Ujiie , Fumihiro Hirose
- 申请人: Yohhei Watanabe , Naoto Suzuki , Shinichi Namekata , Akiyasu Amita , Takashi Sakamaki , Teppei Kawata , Masateru Ujiie , Fumihiro Hirose
- 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: Duft & Bornsen, PC
- 优先权: JP2017-137190 20170713
- 主分类号: G03G15/20
- IPC分类号: G03G15/20
摘要:
A fixing device includes a fixing rotator, a pressure rotator, and a pressure assembly that forms a fixing nip therebetween and includes a first adjuster and a second adjuster. The first adjuster includes a pressure cam, a first biasing device, a first pressure lever that holds the pressure rotator, and a second pressure lever that moves with the pressure cam and presses against the first pressure lever via the first biasing device. The first adjuster adjusts a load of the first biasing device to adjust a pressure force from the pressure rotator to the fixing rotator. The second adjuster includes an adjustment screw is driven into the second pressure lever, and a retainer that retains an adjusted state between the adjustment screw and the first pressure lever. The second adjuster adjusts a holding position of the first pressure lever to hold the pressure rotator.
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