Apparatus and method for controlling multiple functions of an ag

Details Apparatus and method for controlling multiple functions of an ag Apparatus and method for controlling multiple functions of an ag

1990-06-15

1991-09-17

Britts, Ramon S.

Harvesters

Motorized harvester

With condition-responsive operation

56341, 56DIG2, 91189, 172324, A01D 3700, F01L 3300

Patent

active

050482742

ABSTRACT:
Apparatus for controlling multiple functions of an agricultural implement such as a baler or a harvester includes first, second and third hydraulic cylinders which are operated to control first, second and third functions, respectively, of the implement. A shuttle valve is mechanically coupled to the first hydraulic cylinder by a rock shaft so that when the first hydraulic cylinder is retracted and extended, the shuttle valve selectively connects either the second or the third hydraulic cylinder to an independent source of hydraulic fluid. The first hydraulic cylinder is connected to another independent source of hydraulic fluid. In a baler having a bale case, a pickup, a tongue and a bale thrower, the first hydraulic cylinder raises and lowers the pickup, the second hydraulic cylinder moves the tongue between a transport position and an operating position, and the third hydraulic cylinder adjusts the bale thrower relative to the bale case.

REFERENCES:
patent: 2765627 (1956-10-01), Chambers et al.
patent: 2844942 (1958-07-01), Reynolds
patent: 2961015 (1960-11-01), Randall
patent: 3459268 (1969-08-01), Forster
patent: 3596565 (1971-08-01), Atkinson
patent: 3947981 (1976-04-01), Shore
patent: 4067394 (1978-01-01), Deckler
patent: 4428706 (1984-01-01), Butler, et al.
patent: 4817730 (1989-04-01), Winter

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