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    IMPACT TOOL WITH A MOVABLY SUPPORTED IMPACT MECHANISM
    1.
    发明公开
    IMPACT TOOL WITH A MOVABLY SUPPORTED IMPACT MECHANISM 审中-公开
    与移动基于SHOCK机制冲击工具

    公开(公告)号：EP1809443A4

    公开(公告)日：2011-04-27

    申请号：EP05757435

    申请日：2005-07-05

    申请人： ATLAS COPCO CONSTR TOOLS AB

    发明人： HENRIKSSON STIG ROLAND ,  OESTENSSON OLOF BERTIL SIGURD

    IPC分类号： B25D17/24 ,  B25D20060101

    CPC分类号： B25D17/24 ,  B25D2250/065 ,  B25D2250/371

    摘要： A portable power tool includes a housing, and an impact mechanism movably supported in the housing and having a front opening for receiving a working implement and a hammer piston for delivering hammer blows to the working implement. The impact mechanism is supported in the housing by a pivot device in a point located between the forward and rear ends of the impact mechanism and allowing longitudinal and pivotal movements but preventing in the support point radial and rotational movements of the impact mechanism relative to the housing. A resilient device is located at a distance from the pivot device and is arranged to bias the impact mechanism to a neutral position relative to the housing and to absorb vibration movements of the impact mechanism to protect the housing against such vibration movements.