发明名称 Timepiece bearing, movement, and portable timepiece
摘要 To provide a timepiece bearing, a movement, and a portable timepiece helping to achieve an improvement in terms of time indication accuracy. A timepiece bearing 180 includes: a bearing member 181 provided at at least one end portion 145 of a shaft member 143 rotating around an axis C and regulating movement of the shaft member in axial and radial directions; an elastic member 182 having an force facing in axial direction to the bearing member; and a frame member 166 containing the bearing member, wherein the elastic member is provided so as to establish connection between the bearing member and the frame member; the frame member is supported by and fixed to a support member 167; and the shaft member is rotatable around the axis, with the shaft member and the bearing member being held in contact with each other by the elastic member.
申请公布号 US2011080810(A1) 申请公布日期 2011.04.07
申请号 US20100924550 申请日期 2010.09.29
申请人 发明人 HIRAOKA MASASHI;NAKAJIMA MASAHIRO;NIWA TAKASHI
分类号 G04B31/00;G04B15/00 主分类号 G04B31/00
代理机构 代理人
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