发明名称 Hand and timepiece using the hand
摘要 To provide a hand, free from hand deviation and disengagement, having integrated engaging and wing portions and formed of a low-density material.A hand body has a wing portion for pointing a position and an engaging portion for engagement with a spindle of a movement, by a material having a density lower than a brass material. The wing portion and the engaging portion are integrally formed. On a surface of the hand body, first plating is made in order to enhance the strength after a substitution treatment. Then, second plating is made for ornament on the first plating.
申请公布号 US6798722(B2) 申请公布日期 2004.09.28
申请号 US20020315639 申请日期 2002.12.10
申请人 SEIKO INSTRUMENTS INC. 发明人 MIYAMA SHIGERU
分类号 G04B19/04;(IPC1-7):G04D3/00 主分类号 G04B19/04
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