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:
Jan. 13, 2004
Filed:
Nov. 16, 2001
Joan Simon Bacardit, Barcelone, ES;
Fernando Sacristan, Barcelona, ES;
Bruno Berthomieu, Barcelona, ES;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention provides a pneumatic servomotor for an assisted braking of a motor vehicle, of the type comprising a unidirectional clutch device, which includes a coaxial sleeve ( ), sliding on a plunger ( ), and axial-locking means, which are capable of locking said sleeve ( ) in an end front axial position, in which it locks the piston ( ) independently of the control rod ( ), when an input force is applied at a given speed on the control rod ( ) integral with the plunger ( ), characterised in that the unidirectional clutch device comprises damping means, made of an elastomeric material and interposed between a stop-forming transverse intermediate face ( ) of the plunger ( ) and an opposite transverse face ( ) of the sleeve ( ), so as to permit, once the input force is released and when the locking means no longer lock the sleeve ( ), the noiseless return of the sleeve ( ) to its rear rest position.