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    • 10. 发明授权
    • Molded electric motor housing and brush holder unit
    • 成型电动机壳体和电刷架单元
    • US4746828A
    • 1988-05-24
    • US12786
    • 1987-02-09
    • Willard NadoRobert LockwoodJohn Sherman
    • Willard NadoRobert LockwoodJohn Sherman
    • H01R39/40H02K5/14H02K5/16
    • H01R39/40H02K5/14
    • A motor housing and brush holder device is constructed, as by molding, in such a manner as not to require any machining operations subsequent to its being molded and assembled, and it can be molded of either conductive or nonconductive materials. The housing, in this case, is of nonconductive high impact strength material and is a single preformed molded piece. The housing includes an integrally molded generally cylindrical stepped bearing recess or pocket for the end of an armature shaft and brush holders spaced axially and radially of the bearing recess. The shape of the bearing and its keeper is unique as well as the brushes and associated structures and the manner in which they supply power to the windings of the stator field coils.
    • 电动机壳体和电刷架装置通过模制而被构造成在其模制和组装之后不需要任何机械加工的方式,并且可以由导电材料或非导电材料模制。 在这种情况下,壳体是非导电的高冲击强度材料,并且是单个预制模制件。 壳体包括用于电枢轴的端部的一体模制的大致圆柱形的阶梯式轴承凹部或凹部,以及在轴承凹部的轴向和径向间隔开的刷架。 轴承及其保持器的形状是唯一的,以及电刷和相关联的结构以及它们向定子励磁线圈的绕组供电的方式。