专利名称：Minute hand shaft for clocks 申请号：JP2583882
申请日：19820226
公开号：JPS57168079U
公开日：
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巴黎条约>獐肉
19821022
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摘要：In a device for clocks having a minute hand 22 cured to a hand shaft 10 by a retaining nut 26, the hand having a non circular hole 24 to engage a corresponding shape 16 at the front end of the shaft, which has a shoulder 20 for limiting axial movement of the hand, the foremost ction 14 of the front end of the shaft 10 is untreated and smaller than the inside diameter of the retaining nut 26, and a conical ction 16 is provided for the formation thereon of a thread which is cut by the retaining nut 26 when fitted onto the shaft 10 to hold the hand 22 against the shoulder 20. The shaft is described as an injection moulded plastics part, and the arrangement can be compatible with German Industrial Standards (DIN) 8270.
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