Dynamic pressure bearing device

Details Dynamic pressure bearing device Dynamic pressure bearing device

2006-09-05

2006-09-05

Footland, Lenard A. (Department: 3682)

Bearings

Rotary bearing

Fluid bearing

C384S112000

Reexamination Certificate

active

07101084

ABSTRACT:
A dynamic bearing apparatus which supports a shaft and a bearing so as to be capable of relative rotation by a dynamic pressure of a lubricating fluid. A bottomed screw hole (21a) is provided to at least one end of the shaft (21) to screw a headed screw (24) for attaching a thrust plate (23) a lubricating fluid (F) is filled in a gap of a screw portion between the screw (24) and the screw hole (21a) or a screw non-occupied space (17), and an interposing member (25) which reduces a void cubic content in the screw non-occupied space (17) is attached to the screw non-occupied space (17).

REFERENCES:
patent: 5743656 (1998-04-01), Gomyo et al.
patent: 2567917 (1993-12-01), None
patent: 06-1497486 (1994-07-01), None
patent: 08-074841 (1996-03-01), None
patent: 10-196643 (1998-07-01), None
patent: 2002-147444 (2002-05-01), None
patent: PCT/JP02/03696 (2002-06-01), None

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