Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1977-05-09
1979-08-07
Paperner, L. J.
Material or article handling
Vertically swinging load support
Shovel or fork type
60486, E02F 387
Patent
active
041636287
ABSTRACT:
A loader vehicle includes a loading implement movable to a dump and a rack-back position by means of actuation of cylinders. The movement of the cylinders is provided by fluid control valves in turn operated by means which provide for both a slow dump and a fast dump movement of the implement, with fast dump movement initially selected being automatically changed to slow dump movement dependent on the position of the implement.
REFERENCES:
patent: 3614273 (1971-10-01), Wallace
patent: 3646596 (1972-02-01), Bauer
patent: 3916767 (1975-11-01), Barton
Hall Gerald D.
Swayze Lloyd D.
Caterpillar Tractor Co.
Paperner L. J.
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