B - Operations – Transporting – 60 – P
Patent
B - Operations, Transporting
60
P
214/12
B60P 1/00 (2006.01) B66F 9/06 (2006.01) B66F 9/08 (2006.01) B66F 9/20 (2006.01)
Patent
CA 1097266
ABSTRACT OF THE DISCLOSURE A truck upright having a fixed upright section, one or more telescopic upright sections, and a load carrier mounted on an inner upright section. An asymmetric lift cylinder assembly is located adjacent one side of the upright in a position which pro- vides improved overall operator visibility through the upright. The lift cylinder is adapted to be operatively connected at its upper end to a telescopic upright section for operating lifting chain structure which traverses laterally across the upright and which is reeved on spaced and rotationally aligned sprockets sup- ported either from a telescopic upright section or from the lift cylinder assembly, the one chain end structure being connected in the two stage upright hereof substantially centrally of the lift- ing or fork carriage, and the other chain end structure being fixedly secured outwardly of one side of the cylinder assembly to a member, such as to the adjacent outer upright rail. The cylin- der assembly is operatively connected to the telescopic upright section 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. In the triple stage upright as disclosed the one chain end structure is connected substantially centrally of the inner telescopic upright section (load carrier) on which is mounted the lifting or fork carriage, and a cantilevered cylinder is mounted in the inner upright section for elevating thereon the lifting carriage to a full free-lift position. A fluid pressure supply hose is connected between the base ends of the primary and secondary cylinder assemblies, and is reeved in an inverted U-shaped loop between opposite sides of the upright. Otherwise Abstract continued: the same principals of construction apply as expressed above. In any multi-section upright using this invention, whether two of three or more sections and regardless of other variations in upright design, 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 from his normal line of sight through that side of the upright.
311262
Clark Equipment Company
George H. Riches And Associates
LandOfFree
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