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:
Oct. 29, 2013
Filed:
Dec. 17, 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 for a hydraulic braking circuit, particularly for a motor vehicle, comprising an annular seal () placed in a housing () of the body comprising an internal dynamic sealing lip () surrounding the piston, fitting into an annular groove () of the piston when this piston is in a rear rest position, an outer static sealing lip () pressing against a wall of the housing, and an additional static sealing lip () which presses against a wall of the housing of this seal and with the outer lip defines a small closed volume (V) of liquid.