Apparatus and method for elevational control of a tractor-suppor

Details Apparatus and method for elevational control of a tractor-suppor Apparatus and method for elevational control of a tractor-suppor

1992-07-31

1994-05-10

Eley, Timothy V.

Harvesters

Motorized harvester

With condition-responsive operation

56 7, 56DIG15, A01D 4700

Patent

active

053096991

ABSTRACT:
A tractor-supported lawn mower which has raising and lowering controls for automatically raising the mowers to a predetermined elevation and for automatically lowering the mowers to the ground, both raising and lowering functions being effective in response to minimal operator manual control.

REFERENCES:
patent: 3177638 (1965-04-01), Johnson
patent: 3511035 (1970-05-01), Strasel
patent: 3808778 (1974-05-01), Hoffmeyer et al.
patent: 3918240 (1975-11-01), Haffner et al.
patent: 3992858 (1976-11-01), Hubbard et al.
patent: 4873817 (1989-10-01), Harms
patent: 4878338 (1989-11-01), Aldred et al.
patent: 5237802 (1993-08-01), Fachini et al.

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