Retainer between a shaft and bearing

Details Retainer between a shaft and bearing Retainer between a shaft and bearing

1996-09-17

1997-10-28

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384536, 384538, F16C 3358

Patent

active

056811187

ABSTRACT:
A retainer for preventing dislodgment of a shaft from a bearing including a radially expandable retaining ring, a circumferential groove in the shaft having a frustoconical side, and a frustoconical sidewall on an inner race of the bearing facing the frustoconical side of the groove in the shaft and cooperating therewith in defining an annular V-shaped retaining ring groove. In a seated position of the retaining ring in the retaining ring groove, the retaining ring is wedged between the frustoconical sidewall of the bearing inner race and the frustoconical side of the groove in the shaft to eliminate lash between the shaft and the bearing. To prevent the retaining ring from being squeezed out of the V-shaped retaining ring groove by a force on the shaft in the direction of its longitudinal centerline, the angle of convergence between the sides of the V-shaped retaining ring groove is selected from a range of angles whose tangent is less than the static coefficient of friction between the retaining ring, the frustoconical sidewall of the bearing inner race, and the frustoconical side of the groove in the shaft.

REFERENCES:
patent: 1418379 (1922-06-01), Karle
patent: 1810093 (1931-06-01), Timson
patent: 3832076 (1974-08-01), Gehrke
patent: 3992117 (1976-11-01), Ristau
patent: 4344658 (1982-08-01), Ledgerwood, III
patent: 4351450 (1982-09-01), Summerfield
patent: 5193917 (1993-03-01), Adler et al.
P. 320 of an unidentified textbook describing the mechanics of friction (no date).

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