发明名称 |
COUPLING FOR TOOL ELEMENT |
摘要 |
An electric grass trimming device comprising a handle including a grip and trigger switch at one end and an electric motor at the other end, the motor being arranged to drive a cutting blade mounted beneath the motor. An improved coupling arrangement between the blade and the motor shaft is described.
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申请公布号 |
US3670413(A) |
申请公布日期 |
1972.06.20 |
申请号 |
USD3670413 |
申请日期 |
1970.08.21 |
申请人 |
BLACK AND DECKER MFG. CO.:THE |
发明人 |
EDWIN J. WEBER |
分类号 |
A01D34/68;A01D69/08;F16D1/08;F16D7/02;(IPC1-7):B26B25/00 |
主分类号 |
A01D34/68 |
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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