Mower conditioner gear box steering device

Details Mower conditioner gear box steering device Mower conditioner gear box steering device

1999-05-12

2000-09-26

Shackelford, H.

Harvesters

Motorized harvester

Including motorized vehicle causing transit of harvester

56 155, 56218, A01D 3424

Patent

active

061229024

ABSTRACT:
A pull-type harvesting machine is adapted for laterally offset attachment to a tractor. The machine has a frame and a harvesting head supported by the frame including a cutting apparatus for cutting crops as the machine is towed across a field, and a gear box operably connected with the cutting apparatus. A pull tongue is pivotally coupled to the frame about a first vertical axis for varying the position of the machine relative to the tractor. A mechanical drive line extends along and is rotatably supported by the pull tongue for supplying driving power to the cutting apparatus through the gear box. The gear box is pivotally mounted on the header about a second vertical axis spaced from the first vertical axis. The drive line includes a fixed position portion and a telescoping portion supported at fore and aft ends by the tongue and the gear box, respectively. A shielding arrangement surrounds the telescoping portion of the drive line and is connected to the gear box for steering the gear box in response to movement of the pull tongue by pivoting the gear box about the second vertical axis.

REFERENCES:
patent: 4858418 (1989-08-01), von Allwoerden
patent: 4899523 (1990-02-01), Frumholtz et al.
patent: 5094063 (1992-03-01), Wattron et al.
patent: 5272859 (1993-12-01), Pruitt et al.

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