E - Fixed Constructions – 01 – D
Patent
E - Fixed Constructions
01
D
E01D 1/00 (2006.01) B65G 69/28 (2006.01)
Patent
CA 2126437
2126437 9313267 PCTABS00024 A dock leveler (1) comprising a ramp (7) hinged at its rear end to a supporting structure (6) and movable between a generally horizontal position and an upwardly inclined position. A lip (9) is hinged to the forward edge of the ramp (7) and can be pivoted between a downwardly hanging pendant position and an extended position. Interposed between the ramp and the supporting structure is an inflatable bag (12), while a second inflatable bag interconnects the ramp and the lip (21). Blowers (26, 30) mounted beneath the ramp (7) supplies low pressure air to both bags, and inflation of the first bag will move the ramp upwardly to the inclined position, while inflation of the second bag will move the lip from the pendant to the extended position.
Borden Ladner Gervais Llp
Kelley Company Inc.
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