Tube-expansion energy attenuating system
US8888179B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2013 |
| Grant date | Nov 18, 2014 |
| Priority date | — |
| Expiry date | Jul 25, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/42736
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Designs and methods are provided for an energy attenuating device. In one exemplary embodiment the device comprises an elongated metal tube having an expanded portion at a first end thereof, and an unexpanded portion extending from the expanded portion to a second end, wherein the first end is attached to a fixed structure. A mandrel is disposed in the expanded portion of the elongated metal tube, having a diameter greater than the inside diameter of the unexpanded portion of the metal tube. A tension member is attached to the mandrel and extends out of the second end of the metal tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.