Fork-lift attachment with four laterally displaceable prongs

Details Fork-lift attachment with four laterally displaceable prongs Fork-lift attachment with four laterally displaceable prongs

1984-01-18

1985-08-06

Spar, Robert J.

Material or article handling

Elevator or hoist and loading or unloading means therefor

Comprising means enabling additional movement of carrier or...

414671, B66F 912

Patent

active

045332908

ABSTRACT:
An attachment for a fork-lift truck has a vertical support plate, secured to an adjacent lifting plate of the truck and laterally shiftable therealong by a fluidic jack, which is provided with two pairs of vertically spaced, horizontal guide rails slidably engaged by complementarily profiled pairs of mounting rails which are rigid with two outer prongs shiftable relatively to the support plate by two further jacks. Two inner prongs frictionally engage the mounting rails of the respectively adjoining outer prongs for lateral entrainment thereby between limits defined by adjustable stops on the support plate.

REFERENCES:
patent: 2958436 (1960-11-01), Skutle et al.
patent: 2985328 (1961-05-01), Fitch
patent: 3545636 (1970-12-01), Yarbrough, Jr.
patent: 3684113 (1972-08-01), Roller
"Deutsche Hebe-- und Fordertechnik", No. 2/73, (Das Angebot Des Markts), Feb. 1973, pp. 90 and 92.

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