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. 18, 2022
Filed:
Dec. 03, 2019
Marelli Suspension Systems Italy S.p.a., Corbetta, IT;
Piero Antonio Conti, Asti, IT;
Fabio Cotto, Turin, IT;
Marco Di Vittorio, Turin, IT;
Giordano Greco, Turin, IT;
Benjamin Talon, Cahors, FR;
MARELLI SUSPENSION SYSTEMS ITALY S.P.A., Corbetta, IT;
Abstract
A shock-absorber has an outer cylindrical tube, an inner cylindrical tube, a rod, a main piston and a hydraulic stop member received in a compression chamber and operating during an end section of the compression stroke of the shock-absorber to cause an increase in the hydraulic damping force. The hydraulic stop member has a cup-shaped body mounted in the compression chamber and a first auxiliary piston which is mounted on a cylindrical body rigidly connected to the main piston and is configured to sealingly slide in the cup-shaped body during an end section of the compression stroke, encompassing a working chamber with the cup-shaped body. A sliding member is slidably received inside the cylindrical body for opening or closing at least one first passage of the cylindrical body through which oil flows from the working chamber of the cup-shaped body to the compression chamber of the shock-absorber.