发明名称 |
Hammer drill or chipping hammer device |
摘要 |
In a device which can be used as a hammer drill or a chipping hammer, a percussion mechanism is located within a working cylinder in the housing of the device. A tool can be placed in one end of the working cylinder and the tool can be rotated without any percussive action or it can be given a combined rotative and percussive action. The percussive action is transmitted over a driving mechanism to an actuating piston which reciprocates a percussion piston through an intermediate air cushion. The drive mechanism includes a driving shaft with a disk pivotally connected to the shaft and in engagement with the actuating piston for selectively effecting the percussive action on the tool.
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申请公布号 |
US4325436(A) |
申请公布日期 |
1982.04.20 |
申请号 |
US19800143856 |
申请日期 |
1980.05.21 |
申请人 |
HILTI AKTIENGESELLSCHAFT |
发明人 |
RICHTER, MARTIN;REGELSBERGER, WOLFGANG |
分类号 |
B25D11/00;B25D11/06;(IPC1-7):B25D11/04 |
主分类号 |
B25D11/00 |
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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