Bearing apparatus for a driven shaft of an automobile having a r

Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator

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324174, 32420722, 32420725, G01P 348, G01P 354, G01B 714

Patent

active

051402610

ABSTRACT:
A bearing apparatus is provided for a driven shaft of an automobile. It includes a rotational speed detector for detecting a rotational speed of a wheel of the automobile by detecting the rotational speed of a circular detected member which has a plurality of projections provided at even intervals in the circumferential direction. The detected member is fixed to one end of a driven shaft. The other end of the driven shaft includes a flange for mounting of a wheel. The shaft is part of an inside member which is rotatably supported by an outside member fixed to a chassis through a plurality of rolling elements. Detected speed is sent to an antilock brake system through a connector. The rotational speed detector, a cover fit to the outside member to enclose at least those parts of the rotational speed detector and detected member which are in opposition, and the connector are embedded in a resin block by a plastic molding technique such that they have a fixed relationship to each other so as to provide an assembly of unitary construction.

REFERENCES:
patent: 4024483 (1977-05-01), Tomczak et al.
patent: 4847557 (1989-07-01), Saito et al.
patent: 4970462 (1990-11-01), Richmond
Patent Abstracts of 63-166601, vol. 12, No. 432 (M-763) [3279], Nov. 15, 1988, p. 37.

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