Airspring piston and airspring assembly
US5382006A · kind A · utility
43Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 29, 1993 |
| Grant date | Jan 17, 1995 |
| Priority date | — |
| Expiry date | Sep 29, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2206/424
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An airspring piston which combines the features of being easily assembled, providing full air volume utilization which contributes to a low spring rate of an airspring assembly, a rounded outer peripheral edge to facilitate its assembly with a beaded flexible airsleeve and a bead retention lip to retain a beaded airsleeve on the piston in low or no pressure situations. An airspring assembly comprised of the aforementioned piston, a beaded flexible airsleeve and an upper retainer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.