Weatherproof and fireproof loading bridge canopy
US4984321A · kind A · utility
9Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 18, 1989 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Oct 18, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G69/008
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A weatherproof and fireproof loading bridge canopy is provided having an exterior cover disposes over an expandable frame and a wall structure having at least one layer of an aluminum coated fiberglass fabric disposed on the ceiling and sides of the interior of the frame. The loading bridge has good longevity and the interiorly disposed fiberglass layer which is fireproof is easily removed for replacement as needed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.