Impact absorbing device
US7604269B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2008 |
| Grant date | Oct 20, 2009 |
| Priority date | — |
| Expiry date | Jun 17, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/343
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An impact absorbing device includes an attachment component having one-or-more holes, an impact absorption pipe which absorbs external impacts and arranged so that it can slide axially and coaxially within the attachment component, one-or-more movable resistance bodies arranged so that they can move freely within the one-or-more holes, an impact absorption pipe movement component support component, an impact absorption pipe movement component, a support part having a first section and a second section formed in this order so that a distance between each of the sections and an interior side wall of the attachment component becomes smaller respectively, a support part movement component which provides an energization power to the support part, wherein the first section is in a position which faces the one-or-more holes of the attachment component when the support part comes into contact with a bottom part of the attachment component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.