Speed sensing bearing unit

Details Speed sensing bearing unit Speed sensing bearing unit

1992-04-03

1993-02-02

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384448, F16C 4100

Patent

active

051833417

ABSTRACT:
In a speed sensing bearing unit comprising a fixed ring with a pair of outer ring raceways on its inner peripheral surface, a pair of inner rings with inner ring raceways on their outer peripheral surfaces corresponding to the outer ring raceways, a plurality of rolling bodies provided between the fixed ring and the inner rings, a pulse rotor supported on one of the pair of inner rings, and a sensor supported opposing the outer peripheral surface of the pulse rotor, the pulse rotor comprises a main body of magnetic material having a cage-like cylindrical shape and a plurality of through-apertures formed at circumferentially evenly spaced intervals and an engaging element of a non-magnetic resilient material formed to be fitted into the through-apertures and having hook portions protruding from an inner peripheral surface of the engaging element to engage with grooves formed in the outer peripheral surface of the other of said inner rings.

REFERENCES:
patent: 4778286 (1988-10-01), Kadokawa
patent: 4865468 (1989-09-01), Kato et al.
patent: 4938612 (1990-07-01), Yamada
patent: 4960333 (1990-10-01), Faye et al.
patent: 4969753 (1990-11-01), Kato et al.
patent: 5018384 (1991-05-01), Hayashi et al.
patent: 5129743 (1992-07-01), Faye et al.

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