Farm machine with improved load-lightening and lifting device

Details Farm machine with improved load-lightening and lifting device Farm machine with improved load-lightening and lifting device

1993-05-14

1995-05-23

Melius, Terry Lee

Harvesters

Gang

56 152, 56 155, 56 159, 56DIG14, A01D 3466, A01D 7514

Patent

active

054170427

ABSTRACT:
A farm machine and particularly a mower or harvester, which includes a load-lightening and lifting device having an elastically deformable element mounted parallel with a jack or lift cylinder. According to the invention, the farm machine includes a piston which is separated from a rod of the jack and the rod includes a stop against which the piston is intended to come to rest, such that in a first mode of operation (during work), the rod can slide in the cylinder without a stop of the rod touching the piston, which allows a normal operation of an elastically deformable element. In addition, in a second mode of operation (during transport), the piston is brought into contact with the stop of the rod under the action of the fluid of a feed source, to displace the rod in relation to the cylinder.

REFERENCES:
patent: 2822654 (1958-02-01), Elfas et al.
patent: 4723396 (1988-02-01), Ermacora

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