发明名称 |
ELECTRO-PNEUMATIC TYPE DRILLING HAMMER |
摘要 |
In an electropneumatic drill or chipping hammer with an air cushion transmitting driving force of an exciter piston to a percussion piston, a clutch is provided to interengage a drive motor with the exciter piston. The clutch can be selectively engaged by an axially displacing holding sleeve which positions a tool on the front end of the drill or hammer. |
申请公布号 |
JPS59182073(A) |
申请公布日期 |
1984.10.16 |
申请号 |
JP19840057480 |
申请日期 |
1984.03.27 |
申请人 |
HILTI AG |
发明人 |
UIRUHERUMU KURUIBAA;PEETAA BUROEHINGAA;BERUNAA TEISHIHI |
分类号 |
B25D11/12;B23B45/16;B25D16/00;B25D17/08;E21B1/00;E21B1/30 |
主分类号 |
B25D11/12 |
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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