公开(公告)号：US4853576A

公开(公告)日：1989-08-01

申请号：US37737

申请日：1987-04-13

申请人： Etsuo Mayumi ,  Kunio Hiromasa

发明人： Etsuo Mayumi ,  Kunio Hiromasa

IPC分类号： H02K5/04 ,  H02K5/14 ,  H02K5/15 ,  H02K23/04

CPC分类号： H02K5/145 ,  H02K5/15 ,  Y10T29/49011

摘要： A miniature motor having a motor case comprising a motor housing, fitted with a permanent magnet field and having an opening at one end thereof; an insulating brush base, made of a synthetic resin, fitted to the opening of the motor housing for holding brushgear; and a cover plate, made of a metallic member, covering the surface of the insulating brush base; the motor housing having a plurality of crimping pieces formed by notching the edge of the motor housing opening; the cover plate being fitted to the motor housing by engaging the cover plate with the motor housing opening, and bending and crimping the crimping pieces, characterized in that the cover plate has along the outer periphery thereof a plurality of recesses, which are concave toward the motor shaft, and the recesses are crimped by means of the crimping pieces so as to fixedly fit the cover plate to the motor housing.

摘要翻译： 一种微型电动机，其具有电动机壳体，所述电动机壳体包括电动机壳体，所述电动机壳体装配有永久磁场并在其一端具有开口; 由合成树脂制成的绝缘刷基座，安装在用于保持刷子的马达壳体的开口处; 以及覆盖绝缘刷基座的表面的由金属构件制成的盖板; 所述马达壳体具有通过切割所述马达壳体开口的边缘而形成的多个压接片; 所述盖板通过将所述盖板与所述马达壳体开口接合而装配到所述马达壳体，以及弯曲和压接所述压接片，其特征在于，所述盖板沿着其外周具有多个凹部，所述凹部朝向 电动机轴，并且凹部通过压接片压接，以将盖板固定地配合到电动机壳体。

公开(公告)号：US5272404A

公开(公告)日：1993-12-21

申请号：US843621

申请日：1992-02-28

申请人： Toshiya Yuhi ,  Michio Hoshino ,  Toru Yano ,  Hideo Tamura ,  Isamu Serizawa ,  Etsuo Mayumi ,  Takashi Ushiku ,  Takeshi Okumura ,  Kouichi Koide

发明人： Toshiya Yuhi ,  Michio Hoshino ,  Toru Yano ,  Hideo Tamura ,  Isamu Serizawa ,  Etsuo Mayumi ,  Takashi Ushiku ,  Takeshi Okumura ,  Kouichi Koide

IPC分类号： H01R39/04 ,  H02K13/04

CPC分类号： H01R39/04

摘要： A commutator has such a construction that a flange having an outside diameter larger than the outside diameter of a cylindrical body is provided integrally with the cylindrical body in the vicinity of one end of the cylindrical body; guide grooves formed in a circular arc shape in cross section are provided on the flange at the boundary of the flange to the cylindrical body; engaging pieces passing through the guide grooves are provided on one end of a commutator segment; and engaging pieces are caused to deform plastically to fixedly fit the engaging pieces to the flange.

摘要翻译： 换向器具有这样一种结构，其外径大于圆柱体的外径的凸缘与圆柱体一体地设置在圆柱体的一端附近; 形成为圆弧形状的导向槽的横截面设置在凸缘的边缘处的凸缘上的圆筒体上; 通过引导槽的接合件设置在换向器段的一端; 导致接合件塑性变形以将接合件固定地配合到凸缘上。

公开(公告)号：US4806811A

公开(公告)日：1989-02-21

申请号：US1372

申请日：1987-01-08

申请人： Etsuo Mayumi ,  Michio Hoshino ,  Mitsu Kase

发明人： Etsuo Mayumi ,  Michio Hoshino ,  Mitsu Kase

IPC分类号： H02K5/00

CPC分类号： H02K5/00 ,  Y10T29/49009

摘要： A miniature motor having a cup-shaped cylindrical motor case fitted with a plurality of motor mounting holes and a bearing on the closed end face thereof, and a rotor rotatably supported at one end of the shaft thereof in the motor case by the bearing provided on the closed end face of the motor case, a motor mounting portion is provided around motor mounting holes in a raised fashion from the closed end of the motor case so that the surface of the motor mounting portion intersects with the shaft at substantially 90 degrees. Also, a miniature motor in which the surface of the motor mounting portion is ground and polished is disclosed.

摘要翻译： 一种微型电动机，其具有装配有多个电动机安装孔的杯形圆柱形电动机壳体和在其闭合端面上的轴承，以及转子，其通过设置在电动机壳体上的轴承可旋转地支撑在电动机壳体的轴的一端 电动机壳体的封闭端面，电动机安装部分以电动机安装部分的闭合端以电动机安装孔的方式设置在电动机安装孔周围，使得电动机安装部分的表面以大致90度与轴相交。 另外，公开了一种电动机安装部的表面被研磨和研磨的微型电动机。