Protecting apparatus for use with telescoping support member
US6808151B1 · kind B1 · utility
6Cited by
13References
14Claims
0Family size
Inventors
Key dates
| Filing date | Aug 25, 2003 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | Aug 25, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2131/402
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A telescopically moveable support member has a work element connected to a first end thereof. A rail and slotted collar arrangement is associated with the support member and bumpers are connected to the work element to prevent damage to both the work element and vehicle to which connected during movement from the extended position to the retracted position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.