Trapezoidal beam dock leveler
US5097557A · kind A · utility
13Cited by
17References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1990 |
| Grant date | Mar 24, 1992 |
| Priority date | — |
| Expiry date | Oct 5, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G69/287
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dock leveler having a rigid flat deck and a hinge pin coupling the leveler to a loading dock. The deck is supported by a series of spaced box beams forming a trapezoidal cross-section with the underside of the deck.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.