Piston assembly of shock absorber
US8752682B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2012 |
| Grant date | Jun 17, 2014 |
| Priority date | — |
| Expiry date | May 21, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F9/3214
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Provided is a piston assembly of a shock absorber, which is simple in structure and is easy to fabricate. The piston assembly of the shock absorber includes: a piston body in which a piston rod reciprocating within a cylinder penetrates a central portion thereof, and a plurality of compression passages and a plurality of rebound passages alternately penetrating the piston body are formed around the piston rod; a compression retainer placed over the piston body, in which a plurality of connection holes corresponding to the compression passages penetrate the compression retainer; and a rebound retainer placed under the piston body, in which a plurality of connection holes corresponding to the rebound passages penetrate the rebound retainer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.