Patent · US Active

Dampers

US12422015B2 · kind B2 · utility

0Cited by
6References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 6, 2021
Grant dateSep 23, 2025
Priority date
Expiry dateDec 9, 2042

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16F13/002
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A piston and cylinder type damper with a cylinder containing damping fluid. The damper is operable to perform a compression stroke and a return stroke. A piston rod that can engage with both a piston assembly and a return means. A sealing element is movable axially with respect to said piston rod such that said sealing means is operable to engage with both said piston assembly and said return means, such that, in said compression stroke the sealing means engages solely with said piston assembly, and in said return stroke engages solely with said return means.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.