发明名称 |
Revolutions per minute regulation device for a hand-held electric tool and method of its manufacture |
摘要 |
A revolutions per minute (RPM) control device for hand-held electric tools, such as drilling tools and hammer drills, has a RPM sensor in a separate housing or container from the control device housing. The sensor is connected to the control device by a flexible cable. The sensor extends through an opening in the drive motor housing of the electric tool. The RPM control device can be used for a plurality of similar types of tools.
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申请公布号 |
US5296768(A) |
申请公布日期 |
1994.03.22 |
申请号 |
US19920966765 |
申请日期 |
1992.10.26 |
申请人 |
HILTI AKTIENGESELLSCHAFT |
发明人 |
BURGER, HELMUT;MILLAUER, WOLFGANG |
分类号 |
B25B21/00;B25B21/02;B25F5/00;G01P1/02;G01P3/487;H02K7/20;H02K11/00;H02K23/66;(IPC1-7):H02K11/00 |
主分类号 |
B25B21/00 |
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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