Elevator position-control mechanism for rotatable forage contain

Details Elevator position-control mechanism for rotatable forage contain Elevator position-control mechanism for rotatable forage contain

1983-02-16

1985-05-14

Spar, Robert J.

Material or article handling

Self-loading or unloading vehicles

With load-receiving portion, or significant section thereof,...

414505, A01D 9000

Patent

active

045169039

ABSTRACT:
The forage receiving container box of a crop transporting vehicle is tiltable between a stowed position and a tilted operating position, and includes an unloading elevator spout that is shiftable by a position-control mechanism between stowed and extended positions simultaneously with the shifting of the container box from its stowed to tilted position. Tilting of the container box is accomplished by a first piston and cylinder assembly, and the motion imparted by the first piston and cylinder assembly is transmitted to the elevator by a normally retracted, second piston and cylinder assembly acting in the nature of a rigid link. Additionally, the second piston and cylinder assembly may be extended independently of the first assembly for lowering of the elevator independently of the position of the crop container box. A lost-motion slide connection joins the second assembly with the elevator to takeup motion of the container in the event the elevator is already lowered when the container is rotated between its positions.

REFERENCES:
patent: 1182643 (1916-05-01), Clark
patent: 1813570 (1931-07-01), Flowers
patent: 2072998 (1935-05-01), Allin
patent: 2862342 (1958-12-01), Fergason
patent: 3066817 (1962-12-01), Bradshaw et al.
patent: 3125345 (1964-03-01), Ellis

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