B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
214/12
B66F 9/08 (2006.01) B66F 9/20 (2006.01)
Patent
CA 1128472
FULL FREE-LIFT UPRIGHT FOR LIFT TRUCK Abstract A lift truck upright having a fixed upright section, a telescopic upright section, and a load carrier mounted on the latter section. An asymmetric lift cylinder assembly is located adjacent one side of the upright in a position which provides improved overall operator visibility through the upright. The lift cylinder is adapted to be operatively connected to the telescopic upright section by means of lifting chain structure which traverses across the upright and which is reeved on spaced and rotationally aligned sprockets supported from the cylinder assembly, the one chain end structure being connected sub- stantially centrally of the load carrier and the other chain end structure being fixedly secured substantially outwardly of one side of the cylinder assembly. The cylinder assembly is positioned at or near a location which is one-half the projected distance between the chain end connections, or in a broader sense, approximately midway between the vertical central plane of the load carrier and the chain end connection outwardly of the cylinder assembly. It preferably comprises a cylinder assembly supported from the one side of the upright at an elevated position and having an effected stroke of substantially one-half the height of the collapsed upright. A cantilevered cylinder is supported from the telescopic section for elevating thereon the load carrier to a full free-lift position, the asymmetric cylinder operating subsequent to the operation of the cantilevered cylinder to actuate the telescopic section together with the load carrier to maximum elevation. A fluid pressure supply hose is connected between the base ends of the cylinder assemblies and is reeved in a loop for movement with the asymmetric cylinder assembly. In any upright using this invention the asymmetric cylinder assembly is located such that it projects at least partially into the area of interference by the adjacent side of the upright when in a retracted or collapsed position with the visibility of the operator form his normal line of sight through that side of the upright, and preferably projects partially also into the longitu- dinal plane of that side of the upright. -0-
348776
Clark Equipment Company
George H. Riches And Associates
LandOfFree
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