- Patent Title: Driving force transmission mechanism and image forming apparatus
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Application No.: US14812268Application Date: 2015-07-29
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Publication No.: US10253866B2Publication Date: 2019-04-09
- Inventor: Takeshi Tsukahara , Hideyuki Matsubara
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Venable LLP
- Priority: JP2014-156727 20140731
- Main IPC: F16H55/17
- IPC: F16H55/17 ; F16H57/00
Abstract:
A drive transmission mechanism includes a rotatable member provided with a drive transmitting portion; and a shaft supporting the rotatable member; wherein the shaft has a large diameter portion, a small diameter portion having a diameter smaller than that of the large diameter portion, at least one middle diameter portion having a diameter smaller than that of the large diameter portion and larger than that of the small diameter portion, and a stepped portion at a boundary between the small diameter portion and the middle diameter portion.
Public/Granted literature
- US20160033026A1 DRIVING FORCE TRANSMISSION MECHANISM AND IMAGE FORMING APPARATUS Public/Granted day:2016-02-04
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