Pneumatic spring with safety release
US3995842A · kind A · utility
22Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 2, 1975 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Dec 2, 1995 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F2230/24
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pneumatic spring of the piston-and-cylinder type for use with the engine compartment hood or trunk lid of a motorcar and subject to explosive destruction in the event of an engine fire or a collision is provided with frangible, reduced wall portions in the cylinder and/or in the tubular piston rod which yields under excessive stresses and releases the compressed gas from the cylinder under conditions in which it cannot propel pieces of the fractured spring at high velocity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.