Material or article handling – Elevator or hoist and loading or unloading means therefor – Elevator wherein means comprises guide mounted for relative...
Patent
1977-02-04
1979-10-16
Sheridan, Robert G.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Elevator wherein means comprises guide mounted for relative...
414634, B66F 922
Patent
active
041711815
ABSTRACT:
The invention is concerned with an improvement in a lift truck having a mast assembly, a frame and tilt motor apparatus for tilting the mast assembly forwardly and rearwardly relative to the frame. Particularly the invention is concerned with a lateral support device for the mast assembly. The lateral support device comprises a pair of guides each affixed to a lateral outer surface of the mast assembly and a pair of bearing devices affixed to the frame, each in position to slidably receive a respective one of the guides on operation of the tilt motor apparatus to tilt a top portion of the mast assembly rearwardly to thereby bearingly hold the mast assembly snugly between the pair of bearing devices whereby during movement of the lift truck lateral motion of the mast assembly is restricted when the guides are held between the bearing devices.
REFERENCES:
patent: 1509875 (1924-09-01), Rasnick et al.
patent: 3047161 (1962-07-01), Thacker
patent: 3710967 (1973-01-01), Stoytchev et al.
Sheridan Robert G.
Towmotor Corporation
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