Bearing for mounting on a multi-sided shaft

Details Bearing for mounting on a multi-sided shaft Bearing for mounting on a multi-sided shaft

1991-12-11

1993-01-12

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384460, 384543, 384585, F16C 3358

Patent

active

051784726

ABSTRACT:
A bearing has an inner ring coaxial to and rotatable relative to an outer ring. A central bore of the inner ring accommodates a multi-sided shaft in at least two positions that are angularly offset relative to each other. Each position provides a different fit between the inner ring and the shaft. A preferred embodiment has a 12-pointed star-shaped bore defined by the superposition of two hexagons of slightly different scale, to accommodate a hexagonal shaft in either of two positions. The second position provides a tighter fit between the bearing and the shaft without requiring tighter manufacturing tolerances.

REFERENCES:
patent: 2566991 (1951-09-01), McKay
patent: 2597524 (1952-05-01), Birt
patent: 3369849 (1968-02-01), Hatcher
patent: 4792244 (1988-12-01), Yamashita et al.

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