发明名称 |
Overload-preventing device for winch |
摘要 |
The present invention provides an overload-preventing device for a winch, by which even an overload is caused to descend. The overload-preventing device includes an accommodation hole that is formed in a rotation drive member and is open in the contact plane with a pressing drive member and accommodates a movable piece pressing member and a movable piece. The movable piece is pressed to the side of the pressing drive member by the movable piece pressing member. An engagement groove having a depth in which approx. half of the movable piece can be driven is formed at a part of the contact plane of the pressing drive member. The unwinding side of the engagement groove is formed at the fitting plane while the winding-up side thereof is formed on the inclined surface.
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申请公布号 |
US6578824(B2) |
申请公布日期 |
2003.06.17 |
申请号 |
US20010840429 |
申请日期 |
2001.04.23 |
申请人 |
VITAL KOGYO KABUSHIKI KAISHA |
发明人 |
SAMEJIMA YASUHIRO |
分类号 |
B66D3/10;B66D3/16;(IPC1-7):B66D3/12 |
主分类号 |
B66D3/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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