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    • 9. 发明授权
    • Brush device
    • 刷装置
    • US5332940A
    • 1994-07-26
    • US1745
    • 1993-01-07
    • Akira KuragakiShigeru Shiroyama
    • Akira KuragakiShigeru Shiroyama
    • H01R39/38H02K5/14H02K13/00
    • H01R39/38H02K5/148
    • A brush device having a brush holding frame made of an insulation material provided with a plurality of brush accommodating portions which are open at end portions thereof in the axial direction and at inner peripheral portions thereof in the radial direction, and a pair of protruded portions at opposing outer ends thereof in the radial direction; brushes accommodated in the brush accommodating portions along with brush springs, press-contacting a commutator of a direct current machine; an insulation plate touching an end face of the brush holding frame in the axial direction, covering the open portions at the end portions of the brush accommodating portion; and a pair of attaching pieces mounted on and pinching both end faces of the pair of protruded portions of the brush holding frame thereby fixing the insulation plate to the end face of the brush holding frame in the axial direction comprises a pair of stopper protrusion portions protruded in the axial direction provided at intermediate positions situated between the pair of protruded portions in the peripheral direction on the end face of the brush holding frame; and a pair of engaging holes in the insulation plate for pressing in and fixing the pair of stopper protrusions, provided in correspondence therewith.
    • 一种刷装置,具有由绝缘材料制成的刷保持框架,该绝缘材料设置有多个刷轴容纳部分,所述多个刷子容纳部分在轴向方向上的端部处和沿其径向的内周部分开口;以及一对突出部分 其径向相对的外端; 与电刷弹簧一起容纳在电刷容纳部分中的电刷,压接直流电机的换向器; 绝缘板,其沿轴向接触电刷保持框的端面,覆盖电刷容纳部的端部的开口部; 并且一对安装在夹持框架的一对突出部的两个端面上的夹持件,从而将绝缘板沿着轴向固定在电刷保持框架的端面上,包括一对突出的止动突起部 沿轴向方向设置在位于刷保持框架的端面上的圆周方向上的一对突出部之间的中间位置处; 以及在所述绝缘板中的一对接合孔,用于按照与之对应设置的一对止动突起来压入和固定。