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:
Feb. 28, 2017
Filed:
Nov. 30, 2011
Applicants:
Laurent Lhuillier, Le Blanc Mesnil, FR;
Daniel Grech, Lamorlaye, FR;
Olivier Bernadat, Le Perreux, FR;
Marc Rodriguez, Beverley Hills, MI (US);
Inventors:
Laurent Lhuillier, Le Blanc Mesnil, FR;
Daniel Grech, Lamorlaye, FR;
Olivier Bernadat, Le Perreux, FR;
Marc Rodriguez, Beverley Hills, MI (US);
Assignee:
ROBERT BOSCH GMBH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 9/00 (2006.01); F16J 1/01 (2006.01); B60T 11/232 (2006.01); B60T 11/236 (2006.01);
U.S. Cl.
CPC ...
F16J 1/01 (2013.01); B60T 11/232 (2013.01); B60T 11/236 (2013.01);
Abstract
A primary piston of molded plastic material equipped with a metallic insert and having grooves, mounted in a master cylinder comprising at least a primary piston and a secondary piston mounted in the bore hole of the master cylinder. These pistons can create pressure, respectively, in a primary pressure chamber and in a secondary pressure chamber due to the action of a push rod on the primary piston.