Metal working – Method of mechanical manufacture – Disassembling
Patent
1990-03-19
1991-09-10
Gorski, Joseph M.
Metal working
Method of mechanical manufacture
Disassembling
29891, B23P 1900
Patent
active
050462300
ABSTRACT:
A crop harvesting machine having mounting arms engageable with a tractor to effect a mounting of the harvester on the tractor is disclosed wherein the hydraulic cylinders used to raise the crop gathering header are double-acting cylinders operable to orient the mounting arms relative to the crop gathering header to facilitate engagement thereof with the tractor. These hydraulic cylinders are converted from double-acting cylinders to single-acting cylinders after the header is mounted on the tractor by disconnection of the hydraulic hose powering a downward movement of the header and the subsequent connection thereof to the return line for the hydraulically driven motor powering operation of the crop gathering header.
A method of mounting an implement on the tractor is also disclosed wherein the convertible hydraulic cylinders are utilized in the double-acting mode to effect an articulation of the implement frame to cause alignment thereof with the tractor before being converted into a single-acting mode for header lift purposes.
REFERENCES:
patent: 4059171 (1977-11-01), Pakosh
patent: 4222442 (1980-09-01), Westendorf et al.
patent: 4381695 (1983-05-01), Ogles
patent: 4573308 (1986-03-01), Ehrecke et al.
patent: 4685340 (1987-08-01), Shust et al.
Ford New Holland Inc.
Gorski Joseph M.
Hughes S. Thomas
Marquette Darrell F.
Miller Larry W.
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