Hydrodynamic bearing assembly

Bearings – Rotary bearing – Fluid bearing

Reexamination Certificate

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Details

C384S115000

Reexamination Certificate

active

07140777

ABSTRACT:
A hydrodynamic bearing assembly comprises a bearing (10) defining a bearing hole (12) therein, a shaft (20) rotatably received in the bearing hole with a bearing clearance formed between a bearing surface of the bearing and an outer surface of the shaft, and a cover (40) attached to a top end of the bearing. The bearing clearance is filled with lubricant. A locking groove (22) is formed in an outer periphery of the shaft. The cover defines a through hole (42) receiving the shaft at the locking groove. Interlocking devices are formed on the cover and the bearing to join the cover and the bearing.

REFERENCES:
patent: 4557610 (1985-12-01), Asada et al.
patent: 5270737 (1993-12-01), Nakasugi et al.
patent: 5822846 (1998-10-01), Moritan et al.
patent: 6250807 (2001-06-01), Mori et al.
patent: 6513979 (2003-02-01), Mori et al.
patent: 2004/0126040 (2004-07-01), Shih et al.

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