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:
Apr. 24, 2012
Filed:
Dec. 12, 2008
Mark T. Riefe, Brighton, MI (US);
Brent D. Lowe, Milford, MI (US);
David B. Antanaitis, Northville, MI (US);
Patrick J. Monsere, Highland, MI (US);
Mark T. Riefe, Brighton, MI (US);
Brent D. Lowe, Milford, MI (US);
David B. Antanaitis, Northville, MI (US);
Patrick J. Monsere, Highland, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
An exemplary embodiment of a brake caliper has a housing with a first chamber and a second chamber. The brake caliper also has a first piston that moves in response to fluid pressure in the first chamber and has a second piston that moves in response to fluid pressure in the second chamber. A brake pad has a leading end portion that is acted upon by the first piston and has a trailing end portion that is acted upon by the second piston. A fluid passage leads to the first chamber. The trailing end portion contacts an associated rotor before the leading end portion contacts the rotor.