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, 2001
Filed:
Sep. 23, 1998
Michel Bertrand, Cluses, FR;
Jean-Pierre Perret, Thyez, FR;
Etablissements Jean Perret, Cluses, FR;
Abstract
A shock absorber (,) having a longitudinal axis of rotation (XX′) comprises a shock absorber body (,), a principal piston (,), which is supported by a piston rod (,), and a principal compression chamber (,), in which the principal piston (,) slides. The piston (,) divides the interior of the chamber (,) into a front internal portion and a rear internal portion. The sliding occurs wit the compression of the shock absorber (,) from the front to the rear internal portion. Further, the shock absorber (,) includes an elastic return device (,), a volume compensation device (,), hydraulic fluid (,), and at least one rolling channel. The rolling channel is comprised of at least one portion of the internal surface of the peripheral wall of the principal compression chamber (,) and at least one portion of the external wall of the principal piston (,).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile