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    Decoupling mechanism for power tools
    1.
    发明公开
    Decoupling mechanism for power tools 有权
    EntreopplungsmechanismusfürKraftwerkzeuge

    公开(公告)号：EP1961525A1

    公开(公告)日：2008-08-27

    申请号：EP08151631.2

    申请日：2008-02-19

    申请人： Robert Bosch GmbH

    发明人： Eppard, Erin F.

    IPC分类号： B25F5/00 ,  F16D7/04 ,  F16D7/08

    CPC分类号： B25F5/001 ,  F16D7/044 ,  F16D7/08

    摘要： A decoupling mechanism (200,300) for a power tool having a motor driving a drive shaft (128) that drives a rotating component includes a shaft gear (210,310) disposed around the drive shaft (128). The shaft gear (210,310) has a first side (212,312) and a second side. The second side has at least one shallow receiving structure (222,320) and at least one deep receiving structure (226,326). At least one friction plate (214,314) is disposed on the drive shaft adjacent to the first side (212,312). At least one pressure plate (216,316) is disposed on or integrally part of the drive shaft (128) adjacent to the friction plate and configured for rotation with the drive shaft. A spring assembly (236,336) is biased against the shaft gear (128). The spring assembly (226,336) includes a plate disposed around the drive shaft and a spring member. At least one cam (228,366) is disposed between the plate and the shaft gear (210,310), and is configured to engage with the shallow and deep receiving structures (222,320,226,326).

    摘要翻译： 一种用于驱动驱动旋转部件的驱动轴（128）的马达的电动工具的解耦机构（200,300）包括设置在驱动轴（128）周围的轴齿轮（210,310）。 轴齿轮（210,310）具有第一侧（212,312）和第二侧。 第二侧具有至少一个浅接收结构（222,320）和至少一个深接收结构（226,326）。 至少一个摩擦板（214,314）设置在与第一侧（212,312）相邻的驱动轴上。 至少一个压板（216,316）布置在与摩擦板相邻的驱动轴（128）的一部分上，并被构造成与驱动轴一起旋转。 弹簧组件（236,336）偏压在轴齿轮（128）上。 弹簧组件（226,336）包括围绕驱动轴设置的板和弹簧构件。 至少一个凸轮（228,366）设置在板和轴齿轮（210,310）之间，并且构造成与浅和深接收结构（222,320,226,326）接合。