Dynamic-pressure fluid bearing

Details Dynamic-pressure fluid bearing Dynamic-pressure fluid bearing

1998-06-08

2000-12-05

Hannon, Thomas R.

Bearings

Rotary bearing

Fluid bearing

384908, F16C 3206

Patent

active

061557218

ABSTRACT:
A dynamic-pressure fluid bearing comprises bearing parts formed by a pair of dynamic-pressure surfaces. One of the dynamic-pressure surfaces of the bearing parts is a polyamideimide coating thicker than 3 .mu.m and the other surface is metal. The bearing is particularly applicable to driving motors for polygon mirrors. In addition, a so-called particle removing function is added to one or more of the surfaces of the bearing parts or a position nearby that causes easier removal of dust and other particles accumulated on the parts.

REFERENCES:
patent: 4652149 (1987-03-01), Nakaoka et al.
patent: 4681928 (1987-07-01), Berger et al.
patent: 5066884 (1991-11-01), Takagi et al.
patent: 5194336 (1993-03-01), Yamada
patent: 5325732 (1994-07-01), Vogel
patent: 5434695 (1995-07-01), Saito et al.

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