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:
Jul. 07, 2015
Filed:
Mar. 31, 2011
Applicant:
Aaron C. Bradford, Olathe, KS (US);
Inventor:
Aaron C. Bradford, Olathe, KS (US);
Assignee:
HALDEX BRAKE CORPORATION, Kansas City, MO (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T 17/08 (2006.01);
U.S. Cl.
CPC ...
B60T 17/088 (2013.01); B60T 17/083 (2013.01);
Abstract
A sealing assembly and method of manufacturing a sealing assembly for a spring brake actuator having a dynamic center seal for sealing a first surface to a second surface. The sealing assembly has dynamic sealing elements that seal in a smooth hole or bore, where the sealing element or element stack is retained in the hole or bore on each end by a bearing for the center pushrod or center tube.