Device for absorbing impact energy
US4255986A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 14, 1978 |
| Grant date | Mar 17, 1981 |
| Priority date | — |
| Expiry date | Aug 14, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D1/192
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A device for absorbing impact energy including a shaft assembly which includes a tubular member and a rod like member coupled to the tubular member such that the shaft assembly can contract, at least one orifice provided in the shaft assembly and connecting the interior of the tubular member with the exterior of the tubular member, an energy absorbing material provided in the interior of the tubular member and a receiving chamber provided on the shaft assembly adjacent the reduction whereby when impact energy is applied to the shaft assembly, the impact absorbing material flows through the orifice and is contained in the receiving chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.