Industrial truck, particularly high-lift truck, also as a high-l

Details Industrial truck, particularly high-lift truck, also as a high-l Industrial truck, particularly high-lift truck, also as a high-l

1986-01-30

1987-12-01

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

384 33, B66B 920

Patent

active

047097868

ABSTRACT:
An industrial truck, particularly a high-lift truck, comprising a lifting frame provided with extensible mast sections and a load-carrying carriage, is provided on the fixed mast section and, if desired, on extensible mast sections, with laterally disposed vertical rails, which serve in alternation as carriers for rotatably mounted guide roller for engaging guideways on adjacent rails or to provide guideways for such guide rollers. The guideways are provided at least on one side with a bordering ledge for the lateral guidance of the guide rollers. At least part of the guide rollers (20, 22, 30; 24, 26, 27, 28; 102-104; 105, 106; 108, 109; 143), particularly those disposed on one side of the lifting frame (2), are axially displaceable. In one embodiment the guide rollers (20, 22; 24) disposed on one side of the lifting frame are axially displaceable in their bearings and those (19, 21; 23, 25) disposed on the other side of the lifting frame are axially fixed in their bearings. In another embodiment an axial displacement is permitted in that the guideways (127-129) for the associated guide rollers (20, 22, 30; 20', 22', 30'; 24-27, 65, 143) disposed on one side of the lifting frame (2) are wider than the treads of the associated guide rollers and said guide rollers are axially fixed in their bearings.

REFERENCES:
patent: 3638761 (1972-02-01), Ohta
patent: 4234057 (1980-11-01), Nakane et al.

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