Earth working – Processes
Patent
1990-02-12
1991-04-30
Taylor, Dennis L.
Earth working
Processes
172272, 172450, 172677, A01B 59041, A01B 5906
Patent
active
050109600
ABSTRACT:
A tractor includes front wheels and rear wheels. A three-point hitch connects a yoke to the tractor. The yoke is stabilized by stabilizer arms which are connected under the rear tractor axles and to the frame of the tractor forward of the rear tractor axles. The stabilizer arms lock up the yoke so that it is rigidly fixed to the tractor when an earth working implement tilling the soil is stressing the yoke. The stabilizer arms are connected to the yoke by chain links which permit the yoke to be raised and lowered by the three-point hitch, but which prevent any lateral movement or flexibility to the yoke. This rigidity in part is by having the chain link connection of each stabilizing link straddle the connection of the three-point hitch to the yoke. In addition, the two stabilizing arms are connected by a cross brace which is bolted in place. The cross brace may be unbolted in the event a power takeoff shaft is to be used, which would otherwise be blocked by the cross brace.
REFERENCES:
patent: 2653824 (1953-09-01), Frevik
patent: 2653825 (1953-09-01), Collins
patent: 3029880 (1962-04-01), Heberlein
patent: 3184252 (1965-05-01), Cook
patent: 3749421 (1973-07-01), Rudd
patent: 3807769 (1974-04-01), Thompson et al.
patent: 4506773 (1985-03-01), Schott
patent: 4664404 (1987-05-01), Schultz
Progressive Farmer, "Stabilizer Improves Tractor Efficiency" Jun. 1987, p. 56.
Barnes Billey R.
Barnes Ronny L.
Gary David A.
Bar-Gar Corporation
Coffee Wendell
Taylor Dennis L.
Thompson Jeffrey L.
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