Energy absorber device with plastic casing and screw-in plastic seal
US4793451A · kind A · utility
16Cited by
7References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 17, 1982 |
| Grant date | Dec 27, 1988 |
| Priority date | — |
| Expiry date | Sep 17, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F9/3235
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An energy absorber device including a plastic cylinder having a smaller and larger diameter portion with a shoulder at the junction therebetween, a screw-in plastic seal at one end of the casing surrounding a piston member, a metal housing having smaller and larger diameter portions for sliding engagement with the smaller and larger diameter portions of the casing and having a shoulder for abutting engagement with the shoulder on the casing, and an abutment member carried by the housing for engaging the outer end of the piston member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.