Bearings – Rotary bearing – Fluid bearing
Reexamination Certificate
2007-06-12
2007-06-12
Footland, Lenard A. (Department: 3682)
Bearings
Rotary bearing
Fluid bearing
C384S114000, C384S119000, C384S292000
Reexamination Certificate
active
11012419
ABSTRACT:
A fluid dynamic bearing unit includes a bearing housing (20) axially defining therein a bearing hole (21), a rotary shaft rotatably received in the bearing hole with a radial space formed between the rotary shaft and the bearing housing, and lubricant filled in the radial space. A ventilating path (25) is formed in a wall of the bearing housing to communicate a bottom of the bearing hole with an exterior of the bearing housing.
REFERENCES:
patent: 6236129 (2001-05-01), Yamashita
patent: 7056026 (2006-06-01), Grantz et al.
Huang Ching-Hsing
Pei Hsien-Sheng
Shih Wun-Chang
Footland Lenard A.
Hon Hai Precision Industry Co. Ltd.
Morris Manning & Martin LLP
Tingkang Xia, Esq. Tim
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