发明名称 時計用軸受ユニット、ムーブメント及び時計
摘要 <P>PROBLEM TO BE SOLVED: To provide a bearing unit for a timepiece, a movement and the timepiece, in which an inter-pitch distance of a sphere can be held at a fixed value, collision on a shaft or an outer wheel of a holder can be reduced and bearing loss variation can be reduced by reducing an inclination in a longitudinal direction of a center axis of the holder from the longitudinal direction of a center axis of a shaft body or the outer wheel. <P>SOLUTION: A holder 201a is guided by a shaft body 143 or an outer wheel 185 by forming a third guide face 207a on a third inner peripheral surface 204 and abutting the third guide face 207a on a second outer peripheral surface 208 of a small-diameter shaft part 147. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP5891019(B2) 申请公布日期 2016.03.22
申请号 JP20110262084 申请日期 2011.11.30
申请人 セイコーインスツル株式会社 发明人 平岡 昌士;新輪 隆;中嶋 正洋
分类号 G04B31/00;F16C19/50;F16C27/04 主分类号 G04B31/00
代理机构 代理人
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