Implement supporting and lifting linkage

Details Implement supporting and lifting linkage Implement supporting and lifting linkage

1976-12-27

1978-10-17

Pitrelli, John F.

Harvesters

Motorized harvester

Having motor on ground-supported carrier

56 158, 56DIG22, A01D 3512

Patent

active

041201361

ABSTRACT:
Linkage for supporting a mower beneath a tractor, having first and second pairs of interconnected links and with the first pair pivotally mounted at their forward ends to the front axle of tractor and rockable about a fore and aft horizontally disposed axis. The second pair of links is connected to the frame of the tractor. Foot pedal means connected to the linkage adjusts height of mower in opposition to force of spring means attached to linkage and frame which tends to urge linkage into folded condition beneath tractor frame. Rocking action of front axle through linkage causes mower to follow ground contour to provide an even cut.

REFERENCES:
patent: 3063226 (1962-11-01), Pfauser
patent: 3154903 (1964-11-01), Smith
patent: 3187821 (1965-06-01), Kamlukin
patent: 3283486 (1966-11-01), Marek et al.

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