Harvesters – Motorized harvester – Including motorized vehicle causing transit of harvester
Patent
1990-05-29
1991-05-28
Neuder, William P.
Harvesters
Motorized harvester
Including motorized vehicle causing transit of harvester
56 158, 56DIG14, A01D 3400
Patent
active
050183451
ABSTRACT:
A draft tongue is horizontally adjustably connected to the left-hand end of a wheel-supported main frame of a crop harvester for movement between an outward working position and an inward transport or traveling position. The tongue includes front and rear portions which are disposed angularly relative to each other and, when the torque is in its working position, the rear portion extends outwardly from a straight ahead direction and the front portion extends forwardly and downwardly in a vertical plane extending in the straight ahead direction when the tongue is in its working position. The angular shape of the draft tongue permits a towing tractor to turn sharply to the right to cause the harvester to pivot about an axis located adjacent a left-hand tire thereof so as to effect the cutting of a square corner when the tongue is in its working position and permits the tractor to travel straight ahead in a path which is within the width of a path traveled by the harvester when the tongue is in its transport position. A driveline including a pedestal shaft supported by the front portion of the tongue establishes a substantially straight connection with a tractor PTO shaft and with a harvester gear box with a wide-angle, constant velosity u-joint being located at the only location in the driveline which is substantially angled from the straight ahead position when the tongue is in its working position and the tractor is traveling straight ahead.
REFERENCES:
patent: 1980046 (1934-11-01), Frederiksen
patent: 4662162 (1987-05-01), Bettercourt et al.
patent: 4873818 (1989-10-01), Turner
Deere & Company
Neuder William P.
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