Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1990-07-30
1992-07-14
Spar, Robert J.
Material or article handling
Vertically swinging load support
Shovel or fork type
172273, E02F 3627
Patent
active
051297809
ABSTRACT:
A method and apparatus for supporting a loader on the ground and lifting parts of the loader above the tractor for disengagement from the tractor wherein the loader includes vertical side columns for detachable attachment to a tractor at their base, parallel side frame members pivotally attached at their rear ends to said column, double acting hydraulic lift cylinders connected to the outer ends of the frame members and to the columns at a location below the frame member attachment so that the frame member will be pivoted up or down with expansion or contraction of the cylinders, loader bucket supports extending downwardly from the forward end of the frame members carrying a loader bucket at their lower ends, and a lift stand carried at the lower end of the supports and stored on the supports during normal operation of the loader but foldable and expansible to a ground engaging position and a frame member support position for supporting the loader so that the rear end of the frame members can be lifted clear of the front wheels of the tractor when the loader is to be dismounted from the tractor.
REFERENCES:
patent: 4275984 (1981-06-01), Lenertz
patent: 4498839 (1985-02-01), Williams et al.
patent: 4522554 (1985-06-01), Williams et al.
DU-AL Manufacturing Company
Spar Robert J.
Underwood Donald W.
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