High-visibility mast assembly for lift trucks

Details High-visibility mast assembly for lift trucks High-visibility mast assembly for lift trucks

B - Operations, Transporting

60

P

214/1

B60P 1/48 (2006.01) B66F 9/08 (2006.01)

Patent

CA 1190524

High-Visibility Mast Assembly for Lift Trucks Abstract of the Disclosure The mast assembly for a standard lift truck includes a lift system having a centrally-disposed hydraulic cylinder and a pair of chains mounted on the cylinder to selectively raise and lower a movable upright assembly on a fixed upright assembly and a carriage on the movable upright assembly. This arrangement impairs the forward field of vision of the operator. The mast assembly of this invention overcomes this problem by securing opposite ends of a chain to laterally space uprights of a fixed upright assembly, entraining the chain under at least one chain guide mounted on a lower end of a movable upright assembly, and engaging the chain with a hydraulic cylinder to selectively raise and lower the movable upright assembly on the fixed upright assembly. The preferred embodiment of this invention also includes a carriage slidably mounted on the movable upright assembly and movable in response to movement of the movable upright assembly on the fixed upright assembly.

425004

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