Bridges – Gangway – ramp – or dock leveler – Attached
Patent
1994-05-20
1995-05-30
Britts, Ramon S.
Bridges
Gangway, ramp, or dock leveler
Attached
B65G 6928
Patent
active
054189934
ABSTRACT:
A bridge member for bridging a loading ramp to a platform to be loaded or unloaded has a bridge plate with a sheet metal cover whereby the bridge plate has a first end, connected to the ramp so as to be pivotable about a horizontal axis. An extension is connected to the second end of the bridge plate so as to be pivotable from a vertical rest position into an operative position in which the extension is positioned in a plane of the bridge plate for supporting the bridge member on the platform. The extension has at least one eye for connecting the extension to the second end of the bridge plate. Holders are connected to the underside of the sheet metal cover and have an end facing the extension that is provided with a bore. A bolt is inserted into the eyes and the bores of the holders such that the extension is pivoted about the bolt. A first rod and a second rod extend parallel to the plane of the bridge plate and perpendicular to a longitudinal extension of the bridge plate between the first and second ends. The first and second rods extend parallel to one another. The first end of each holder has an arc-shaped receiving element for engaging the first rod. The second end of the holders rests on the second rod.
REFERENCES:
patent: 4718136 (1988-01-01), Fisher et al.
Britts Ramon S.
Lisehora James A.
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