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:
Sep. 11, 2007
Filed:
Jul. 01, 2005
Applicant:
Vincent Dupuis, Saint Maur, FR;
Inventor:
Vincent Dupuis, Saint Maur, FR;
Assignee:
Roger Bosch GmbH, Stuttgart, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16D 55/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A parking and emergency brake device having an actuating device () that is supplied with pressurized fluid wherein a piston () slides in a cylinder () to axially delimits a front hydraulic pressure chamber () and exert a determined mechanical force on an operating member over an actuating travel and a valve () to selectively place the front pressure chamber () in communication with a pressurized hydraulic fluid supply port (). The valve () is interposed between the piston () and the cylinder () to controlled by an axial movement of the piston () over a control travel prior to actuating travel.