The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 28, 1992

Filed:

Jul. 06, 1990
Applicant:
Inventors:

Yasuhiko Fujita, Saitama, JP;

Toshiaki Arai, Saitama, JP;

Masami Ogura, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T / ; F16D / ;
U.S. Cl.
CPC ...
188 721 ; 188 728 ; 188156 ;
Abstract

In a motor disc brake system using an electric motor as a drive source of a thrust generating device that can move a piston in advancing and retracting directions, a slide bearing is interposed between a piston and a brake caliper carrying the piston for receiving a side thrust which is applied from a friction pad to the piston during braking. This serves to suppress increase in the slide resistance of the piston even under the action of such side thrust, enabling a strong braking force to be provided with use of a motor of small capacity.


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