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.
Patent No.:
Date of Patent:
Nov. 04, 1980
Filed:
Dec. 28, 1978
Applicant:
Inventor:
Joseph K Kraft, Parsippany, NJ (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
188171 ; 188334 ; 188342 ; 198854 ; 267168 ;
Abstract
A spring-applied, electrically released drum brake which is self-energizing in one direction, and partially deenergizing in the other direction. Regardless of braking direction, the brake shoes are applied with substantially zero force, with the braking force being increased to decelerate and stop the drum within predetermined jerk and deceleration constraints.