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:
Aug. 10, 1993
Filed:
May. 29, 1992
Steffen Schneider, Tamm-Hohenstange, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention is directed to a shock absorber in which the structure of both the main valve and the pilot control valve is simplified, and makes their operation less vulnerable to malfunction because the number of parts moved relative to one another is reduced. This is achieved by functionally uniting the valve plate and pressure plate in an especially embodied novel valve plate, in the form of an annular shim with a fingerlike toothed contour of the inside circumference, which pierces a corresponding contour of an axial region of a stroke limiter, as a result of which a guidance of the valve plate quite close to the force introduction points by means of a spring or the openings to be closed takes place, thereby preventing unilateral opening of a valve plate. The relief piston is sealed off from the pilot control chamber by means of one gap seal and one sealing ring, so that the production tolerances can be greater and as a result an original-shape method without remachining is possible in manufacture.