Rotary structure

Details Rotary structure Rotary structure

1989-07-10

1990-06-19

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384512, 384514, 384604, 384615, F16C 3358

Patent

active

049348434

ABSTRACT:
This invention relates to a rotary structure adapted to be used for a spindle unit of a miniature motor or miniature rotor or for a tape guide roller of a VTR or the like. In the structure of the rotary mechanism, instead of the conventional expensive radial ball bearings, recessed step parts are formed in the shaft itself and balls are held by and between the recessed step parts and ball receiving surfaces formed as tapered surfaces surfaces on outer races provided around the periphery of the shaft.

REFERENCES:
patent: 709441 (1902-09-01), Henderson
patent: 2510659 (1950-06-01), Ristow
patent: 3967856 (1976-07-01), Beauchet
patent: 4605321 (1986-08-01), Brandenstein et al.

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