Hydraulic elevating mechanism for structural assemblies on agric

Details Hydraulic elevating mechanism for structural assemblies on agric Hydraulic elevating mechanism for structural assemblies on agric

1993-05-03

1994-11-01

Bagnell, David J.

Harvesters

Motorized harvester

With condition-responsive operation

56DIG10, 172 2, A01D 6700, A01D 7518

Patent

active

053598377

ABSTRACT:
An hydraulic elevating mechanism for lifting and lowering an engineering structure which is sluingly supported around a rotational axis on a base unit, has two or more hydraulic lift cylinders pivoted to the base unit at one end and to the engineering structure to be slued at the other. The lift cylinders are controlled by hydraulic control circuits separated from each other and such that at least one of the lift cylinders is connected to a pressure reservoir.

REFERENCES:
patent: 3623301 (1971-11-01), Hofer
patent: 4327540 (1982-05-01), Swanson
patent: 4942724 (1990-07-01), Diekhans et al.

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