Combined lifting mechanism and overhead guard for lift vehicles

Details Combined lifting mechanism and overhead guard for lift vehicles Combined lifting mechanism and overhead guard for lift vehicles

1978-02-06

1980-06-17

Werner, Frank E.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

414634, 414914, 280756, B66B 920, B66F 906, B66F 1700

Patent

active

042079675

ABSTRACT:
A lift mechanism for lift vehicles of a type including an operator's station and a carriage arranged for vertical travel upon a mast assembly. In one embodiment, the lift mechanism includes a lever arrangement, preferably an overhead guard structure, pivotably connected to the vehicle and operatively connected with the carriage by means of a pivotable link. In other disclosed embodiments, the lever mechanism is also an overhead guard structure providing an overhead guard function for the operator station while the mast assembly preferably includes a fixed upright portion and at least one movable upright portion supporting the carriage, the movable overhead guard structure and link being operable to cause vertical travel of both the movable upright portion and carriage. An additional embodiment has the overhead guard lift the movable upright and the short lift cylinder lifts the carriage.

REFERENCES:
patent: 2704615 (1955-03-01), Stokes et al.
patent: 3208556 (1965-09-01), Shaffer
patent: 3454176 (1969-07-01), Landeborg et al.
patent: 3841698 (1974-10-01), Stammen

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