发明名称 CROWN ASSEMBLY
摘要 A crown assembly for use on wrist watches having a crown provided with an axial blind bore. A stem has an end portion received in the blind bore and is fixedly coupled thereto by coupling means having an interference fit with the blind bore. The arrangement permits the crown assembly to be manufactured with the crown and stem made independently and of different materials.
申请公布号 US3866409(A) 申请公布日期 1975.02.18
申请号 US19730428872 申请日期 1973.12.27
申请人 KABUSHIKI KAISHA DAINI SEIKOSHA 发明人 TANAKA, KUMIKO
分类号 G04B3/04;G04G21/00;G04G99/00;(IPC1-7):G04B37/08 主分类号 G04B3/04
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