Retainer with rotationally symmetric pockets

Details Retainer with rotationally symmetric pockets Retainer with rotationally symmetric pockets

2006-05-16

2006-05-16

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C384S523000, C384S533000

Reexamination Certificate

active

07044645

ABSTRACT:
A retainer having an annular body with a plurality of pockets. Each pocket has a pair of corner portions that form an opening. The pockets have a spherical inside surface and a pair of tapered surfaces. Alternatively, the pockets can have a spherical inside surface and at least two pairs of tapered surfaces. The geometry of the pockets including the corner portions has rotational symmetry. The retainer improves lubricant retention, and reduces vibration, noise and non-repeating run out.

REFERENCES:
patent: 4225199 (1980-09-01), Earsley
patent: 6276836 (2001-08-01), Suzuki et al.
patent: 0992696 (2000-04-01), None
patent: 1275865 (2003-01-01), None
patent: 1355072 (2003-10-01), None
patent: 1594582 (1981-07-01), None
patent: 57087827 (1982-05-01), None
patent: 2000-039024 (2000-02-01), None
patent: 2000266062 (2000-09-01), None
patent: 2001-280347 (2001-10-01), None
European Search Report dated Jun. 28, 2005.

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