Method of fabricating a liquid spring shock absorber with integral plastic body and seal
US4628579A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 1, 1981 |
| Grant date | Dec 16, 1986 |
| Priority date | — |
| Expiry date | Apr 1, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49844
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A liquid shock absorber device including a plastic cylinder having first and second ends, a piston rod having a first end within the cylinder and a second end externally of the cylinder, a plastic seal formed integrally with the cylinder at the first end and defining an opening for receiving the piston rod in sealing relationship, a closure for closing the second end of the cylinder, and fluid in the cylinder. The closure on the second end may have a piston associated therewith for preloading the fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.