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:
Nov. 26, 2013
Filed:
Dec. 15, 2009
Olivier Bernadat, Le Perreux, FR;
François Gaffe, Bondy, FR;
Laurent Lhuillier, Le Blanc Mesnil, FR;
Antony Auguste, Villier sur Marne, FR;
Olivier Bernadat, Le Perreux, FR;
François Gaffe, Bondy, FR;
Laurent Lhuillier, Le Blanc Mesnil, FR;
Antony Auguste, Villier sur Marne, FR;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
Master cylinder of a hydraulic braking circuit, particularly for a motor vehicle, comprising a piston () sliding axially in a body () comprising an annular lip seal () produced by molding, and comprising an internal, dynamic sealing lip () surrounding the piston and connected by a curved surface () to a planar rear face () comprising radial passages which are defined by blocks formed as projections on the rear face of the seal, these blocks being separated from the curved surface ().