发明名称 |
Collapsible wheel chock |
摘要 |
A collapsible wheel chock constructed entirely of plastics material is comprised of a wheel engaging element and a ground engaging element detachably secured to each other for pivotal movement relative to each other. A support element is detachably secured to the opposite end of the wheel engaging element for pivotal movement relative thereto with the opposite end detachably engaged with the base member for slidable movement relative thereto to allow the wheel chock to be erected and collapsed.
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申请公布号 |
US4140206(A) |
申请公布日期 |
1979.02.20 |
申请号 |
US19770833213 |
申请日期 |
1977.09.14 |
申请人 |
AISIN SEIKI KABUSHIKI KAISHA |
发明人 |
YAMAZAKI, SHINICHIRO;TSUZUKI, CHIKASHI |
分类号 |
B60T3/00;(IPC1-7):B60T3/00 |
主分类号 |
B60T3/00 |
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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