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:
Jun. 21, 2005
Filed:
Oct. 29, 2003
Applicant:
Maurice Anderson, Lawson, MO (US);
Inventor:
Maurice Anderson, Lawson, MO (US);
Assignee:
Haldex Brake Corporation, Kansas City, MO (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B021/02 ;
U.S. Cl.
CPC ...
Abstract
A spring brake actuator that utilizes a valve for providing compressed air to a spring cavity, the air having previously been dried and filtered so as to prevent contaminates and moisture from corroding and/or damaging the spring in the spring cavity, the valve being actuated by a difference in pressure from one side of the valve to the other.