Unearthing plants or buried objects – Extractor – Opposed plant engagers
Patent
1981-02-06
1982-09-21
Hafer, Robert A.
Unearthing plants or buried objects
Extractor
Opposed plant engagers
56 143, A01D 1300
Patent
active
043502075
ABSTRACT:
A tractor-drawn agricultural implement serving to extract and to shred stalks and roots from a reaped cotton field, comprises a frame mounted on two wheels, on which are mounted a shredder and a blower unit. The shredder is completely enclosed in a casing which is provided with a stalk inlet opening and with an outlet opening connected to the suction side of the blower unit. Two arms are pivotally connected to the frame above the shredder inlet, each arm being provided at its lower end with two obliquely positioned, hydraulically rotated extractor wheels fitted with resilient tires which have their adjoining surfaces pressed together and pull the stalks out of the ground while passing thereover. The implement is characterized by the conveying means serving to grip the extracted stalks and to insert them into the shredder casing. This means consists of two belts, each running over a bottom pulley rotating together with the respective extractor wheel and over a top pulley mounted at the upper end of the arm, the inner stretches of the two belts being pressed together by two rows of tension pulleys. The stalks are transported to the top between the belts and are released into the gap between a pair of horizontal feed rollers common to both arms and serving to deliver the stalks into the shredder casing through a second pair of feed rollers. The rollers are provided on their outside with ribs and/or teeth so as to firmly grip and transport the plants.
REFERENCES:
patent: 2940528 (1960-06-01), Magnuson
patent: 3437152 (1969-04-01), Barrentine
patent: 3599404 (1971-08-01), Fernandez et al.
patent: 3940913 (1976-03-01), Wallenfang et al.
patent: 4236369 (1980-12-01), DeCoele
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