Phasing circuit for serially

Details Phasing circuit for serially Phasing circuit for serially

1985-07-24

1987-04-07

Mancene, Gene

Harvesters

Motorized harvester

Having fluid-pressure or stored-energy motor

91171, 91520, A01D 3424, A01B 6322

Patent

active

046550313

ABSTRACT:
In a combine header having a rotatable crop reel, a hydraulic cylinder is carried on each of the reel support arms for adjusting the fore and aft position of the reel. The cylinders are serially connected and comprise a phasing circuit wherein the cylinders have paired fluid inlets and flow-restricting orifices, and the piston is positionable between the inlet and orifice of a pair in either full-strode position. A check valve is operationally associated with each orifice to prevent loss of fluid acting on the piston when being moved from either full-stroke position.

REFERENCES:
patent: 3579989 (1971-05-01), Stark et al.
patent: 4354688 (1982-10-01), Swanson
patent: 4407109 (1983-10-01), Swanson et al.
patent: 4567727 (1986-02-01), Grams

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