Material or article handling – Self-loading or unloading vehicles – Conveyor
Patent
1993-09-17
1994-12-20
Huppert, Michael S.
Material or article handling
Self-loading or unloading vehicles
Conveyor
14 711, 414401, E01D 100
Patent
active
053741544
ABSTRACT:
A ramp bridging mechanism having a bridge plate, the free end of which is provided with an extension. A support member is pivotably connected to the underside of the extension and supports the bridge plate in a position of rest. To free the pivot joint of the support member from support forces, an end of the support member can be displaced from a pivoted position toward the extension and into abutment against the extension, and vice versa, whereby during such displacement the position of the support member shifts relative to the transverse pivot axis.
REFERENCES:
patent: 2251358 (1941-08-01), Judd et al.
patent: 4325155 (1982-04-01), Alten
patent: 4382307 (1983-05-01), Alten
patent: 4554695 (1985-11-01), Rowland
patent: 4619004 (1986-10-01), Kovach et al.
Brahan Thomas J.
Huppert Michael S.
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