发明授权
US08011445B2 Portable power tool, in particular a drilling hammer and/or impact hammer
有权
便携式电动工具,特别是钻锤和/或冲击锤
- 专利标题: Portable power tool, in particular a drilling hammer and/or impact hammer
- 专利标题(中): 便携式电动工具,特别是钻锤和/或冲击锤
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申请号: US11220112申请日: 2005-09-06
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公开(公告)号: US08011445B2公开(公告)日: 2011-09-06
- 发明人: Achim Duesselberg , Kurt Sieber
- 申请人: Achim Duesselberg , Kurt Sieber
- 申请人地址: DE Stuttgart
- 专利权人: Robert Bosch GmbH
- 当前专利权人: Robert Bosch GmbH
- 当前专利权人地址: DE Stuttgart
- 代理商 Michael J. Striker
- 优先权: DE102004044499 20040915
- 主分类号: B23B45/00
- IPC分类号: B23B45/00
摘要:
A portable power tool has a housing, a rotating sleeve provided for rotatably driving a tool and a rotatably supported in the housing by at least one bearing, a driving gear-wheel installed on the rotating sleeve in a freely rotating manner and drivable by a motor, a safety clutch that couples the driving gear-wheel with the rotating sleeve in a rotation-proof manner, the safety clutch having two clutch members that are slippable, with one of the clutch members being assigned to the driving gear-wheel and the other clutch member being assigned to the rotating sleeve in both cases in a rotation-proof manner, and with a coupling sleeve providing a force against which the clutch members are slippable when a limit torque is exceeded, the bearing being seated on the rotating sleeve in an axially displaceable manner and loaded by the coupling sleeve of the safety clutch against an axial stop of the rotating sleeve.
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