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:
Jun. 17, 2025
Filed:
Nov. 26, 2023
Beijingwest Industries Co., Ltd., Beijing, CN;
Jerzy Piotr Szymanski, Villeneuve les Sablons, FR;
BeijingWest Industries Co., Ltd., Beijing, CN;
Abstract
A hydraulic life actuator for adjusting a height of a vehicle includes: a damper tube including a closed end; a damper rod protruding from the damper tube opposite the closed end; a sliding spring seat disposed annularly around the damper tube and configured to engage a coil spring; a support collar disposed annularly around the damper tube and fixed to the sliding spring seat, wherein the support collar is configured to translate axially relative to the damper tube; a lifting bracket connected to the support collar and protruding radially from the support collar; and a hydraulic cylinder disposed adjacent and parallel to the damper tube and having a lift piston rod disposed extending outwardly therefrom, wherein the lift piston rod is connected to the lifting bracket and configured to actuate the sliding spring seat between a retracted position and an extended position spaced apart from the closed end.