Bridges – Gangway – ramp – or dock leveler
Patent
1995-03-10
1996-01-09
Britts, Ramon S.
Bridges
Gangway, ramp, or dock leveler
14 715, E01D 1500
Patent
active
054817730
ABSTRACT:
The ramp bridging member has a bridge plate connected to ramp so as to be pivotable about a horizontal axis It has a free end. An extension with a substantially vertical leg 14 is provided with which the extension is connected to the free end of the bridge plate. The extension is extendable from a rest position in a longitudinal direction of the bridge plate for resting on a vehicle platform to be loaded and unloaded and is retractable in the longitudinal direction into the rest position. A plurality of parallel support beams extending in the longitudinal direction of the bridge plate is provided. The support beams are extendable and retractable together with the extension. Each one of the support beams has a front end and a rear end. A vertical plate is connected to the front end of the support beams. The vertical leg engages in a hook-like manner a bottom edge of the vertical plate.
REFERENCES:
patent: 4328602 (1982-05-01), Bennett
patent: 4727613 (1988-03-01), Alten
patent: 4862547 (1989-09-01), Alten
Britts Ramon S.
O'Connor Pamela A.
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