Device for generating a prestress when two connection parts are coupled rigidly
US4801216A · kind A · utility
0Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1986 |
| Grant date | Jan 31, 1989 |
| Priority date | — |
| Expiry date | Aug 20, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/70
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
To generate a prestress between a piston rod (1) and a valve spindle (2), a bar (5) is incorporated in the piston rod (1) and is prestressed against the valve spindle (2) by exerting a pressure force, which absorbs the pulling and pushing forces occurring there.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.