JPS6144023U

JPS6144023U - bearing device

Info

Publication number: JPS6144023U
Application number: JP12755784U
Authority: JP
Inventors: 喜隆原
Original assignee: 株式会社東芝
Priority date: 1984-08-24
Filing date: 1984-08-24
Publication date: 1986-03-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】第１図は本考案に係る軸受装置の一実施例を示す断面図
、第２図はロータ側を省略した第１区の組立分解斜視図
、第３図は本考案に係る軸受装置の他の実施例を示す断
面図、第４図は第３図の組立分解斜視図、第５図は第４
図を更に詳しく説明するための説明図、第６図は従来の
軸受装置の一例を示す断面図、第７図は他の従来装置を
示す斜視図である。１・・・回転スラスト軸、１ａ・・・下面：２・・・軸
受、３・・・スラスト受け、５・・・ロータケース、６
・・・固定子巻線、７・・・マグネット、１１・・・凹
形段部、１２・・・アース用圧接部材（アース用刷子）
、１６・・・油膜、１７・・・コイルばね（アース用刷
子）。[Brief Description of the Drawings] Fig. 1 is a sectional view showing an embodiment of the bearing device according to the present invention, Fig. 2 is an exploded perspective view of the first section with the rotor side omitted, and Fig. 3 is an exploded perspective view of the bearing device according to the present invention. 4 is an exploded perspective view of FIG. 3, and FIG. 5 is an exploded perspective view of FIG.
FIG. 6 is a sectional view showing an example of a conventional bearing device, and FIG. 7 is a perspective view showing another conventional device. 1... Rotating thrust shaft, 1a... Bottom surface: 2... Bearing, 3... Thrust receiver, 5... Rotor case, 6
... Stator winding, 7... Magnet, 11... Concave step, 12... Grounding pressure contact member (grounding brush)
, 16... Oil film, 17... Coil spring (grounding brush).

Claims

[Scope of utility model registration request]

(1) In a thrust shaft bearing device, a stepped portion is formed on the thrust shaft, one end of a grounding brush made of a conductive material is fitted into the stepped portion, and the other end of the brush is connected to the grounding member. A bearing device featuring:

(2) Claims for registration of a utility model characterized in that the grounding brush is a member having a pair of elastic pressure-welding pieces extending from the base, and the thrust shaft being held between these pressure-welding pieces. The bearing device according to item 1.

(3) The bearing device according to claim 1, wherein the grounding brush uses a coil spring whose one hook portion engages and presses against the thrust shaft.