Shock absorber
US12163572B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2020 |
| Grant date | Dec 10, 2024 |
| Priority date | — |
| Expiry date | Oct 29, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F2234/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A first damping force generation mechanism provided in a first passage formed in a piston to generate a damping force, and a second damping force generation mechanism provided in an annular valve seat member disposed in one of chambers and provided in a second passage in parallel with the first passage to generate a damping force, in which the second damping force generation mechanism includes a first sub-valve provided on one side of the second passage formed in the valve seat member and a second sub-valve (provided on the other side thereof, and a bottomed cylindrical cap member having an outer cylindrical part and a bottom part, and the cap member includes an inner cylindrical part into which the piston rod is able to be inserted formed on an inner circumferential side of the bottom part and houses at least a part of the second damping force generation mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.