发明名称 |
Two-speed action spring drive |
摘要 |
A two-speed action spring drive which automatically changes the gears from very slow to fast moving state is disclosed. In this device the gear meshing with a driving gear group and the gear meshing with a reducing gear group are linked together by a detachable means which can idle these gears when an excessive force acts thereon.
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申请公布号 |
US4568308(A) |
申请公布日期 |
1986.02.04 |
申请号 |
US19830558914 |
申请日期 |
1983.12.07 |
申请人 |
NIKKEN INDUSTRIES CORP. |
发明人 |
ITOH, SHUNICHI |
分类号 |
A63H29/02;A63H31/00;A63H31/08;F03G1/06;(IPC1-7):A63H31/08;F16H5/06;F03G1/00 |
主分类号 |
A63H29/02 |
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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