Bearings – Rotary bearing – Antifriction bearing
Patent
1989-02-23
1989-10-24
Hannon, Thomas R.
Bearings
Rotary bearing
Antifriction bearing
384446, 384618, F16C 1930
Patent
active
048757853
ABSTRACT:
A permanently magnetized magnet associated with the bearing provides a magnetic field which is detected by a detector in the bearing. The relative rotation of one part of the bearing, such as a rotatable shaft or rotatable race, with respect to a second part of the bearing, such as a race, is indicated by the detector.
REFERENCES:
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patent: 3742243 (1973-06-01), Gamble
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patent: 3930694 (1976-01-01), Acker et al.
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patent: 4167734 (1979-09-01), Logan et al.
patent: 4539497 (1985-09-01), Boyer
patent: 4555685 (1985-11-01), Maruyama
patent: 4646088 (1987-02-01), Inoue
patent: 4688951 (1987-08-01), Guers
patent: 4732494 (1988-03-01), Guers et al.
Cook, Jr. Frederick A.
Duncan Scott M.
Moseley John
Santos Alfred J.
Hannon Thomas R.
The Torrington Company
Troidl Frank S.
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