Hydrodynamic spindle bearing for ultra-slim disk storage unit

Details Hydrodynamic spindle bearing for ultra-slim disk storage unit Hydrodynamic spindle bearing for ultra-slim disk storage unit

1992-05-06

1994-07-12

Hannon, Thomas R.

Bearings

Rotary bearing

Fluid bearing

360 9912, 384610, F16C 3206, G02B 2610

Patent

active

053282710

ABSTRACT:
A hydrodynamic bearing assembly for a disk storage unit includes a hub having a longitudinal axis disposed in a cavity formed between a base and a cover. A pair of balls is disposed within a pair of corresponding sockets with each being aligned opposite one another along a longitudinal axis of the hub. The pair of sockets are affixed to the base and cover plates, respectively, while the pair of balls are affixed to the hub. The clearance space between each ball and socket is filled with a liquid lubricant held in place by a surface tension seal.

REFERENCES:
patent: 4116500 (1978-09-01), Huber
patent: 4135771 (1979-01-01), Huber et al.
patent: 4526484 (1985-07-01), Stahl et al.
patent: 4786997 (1988-11-01), Funabashi et al.
patent: 4795275 (1989-01-01), Titcomb et al.
patent: 5067528 (1991-11-01), Titcomb et al.
patent: 5141338 (1992-08-01), Asada et al.
"On the Stability of Rotor-and-Bearing Systems And On The Calculation of Sliding Bearings," by J. P. Reinhoudt, Feb. 1972.

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