End member assembly, gas spring assembly and method
US8955830B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 28, 2009 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Jun 1, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/494
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A piston assembly includes an outer shell, an end plate and an attachment column. A first flowed-material joint is disposed between and fixedly attaches the end plate and the outer shell to one another such that a fluid-tight seal is formed therebetween. A second flowed-material joint is disposed between and fixedly attaches the attachment column and the end plate to one another such that a fluid-tight seal is formed therebetween. A gas spring assembly and method that include the piston assembly are also included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.