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:
Dec. 10, 2002
Filed:
Jun. 19, 1997
Applicant:
Inventor:
Lars Severinsson, Hishult, SE;
Assignee:
SAB Wabco AB, Landskrona, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T 1/302 ;
U.S. Cl.
CPC ...
B60T 1/302 ;
Abstract
A brake actuator for delivering a brake force through a brake block or br pad to a wheel or disc to be braked comprises in a housing ( ) a service brake arrangement ( ). The actuator also comprises a safety brake arrangement ( ) including at least one powerful spring ( ), acting in the brake application direction, means for tensioning the spring by the reaction force at a service brake application, and mechanical means ( ) for locking the spring to the housing in a tension state. These locking means can be released at will for accomplishing a safety brake application.