Cylindrical baler having hydraulic circuit for controlling bale

Details Cylindrical baler having hydraulic circuit for controlling bale Cylindrical baler having hydraulic circuit for controlling bale

1995-08-28

1997-04-22

Gerrity, Stephen F.

Presses

With additional treatment of material

Winding or folding sheet, web or strand

56341, 100 99, B30B 506, A01D 3900, A01F 1500

Patent

active

056221045

ABSTRACT:
A cylindrical baler is comprised of an adjustable bale forming chamber for forming spirally wound, cylindrical bales. A completed bale is discharged on the ground through a rear tailgate. The chamber is defined by a plurality of belts supported on a system of rollers. Tensioning cylinders are mounted on each side of the baler to provide variable bale density and tailgate cylinders are positioned on the rear of the baler to actuate the tailgate after a bale is formed. A two-way proportional valve acts alone or in cooperation with an adjustable rotary valve and an adjustable relief valve to coordinate the flow, to vary the belt tension, and to open and close the tailgate.

REFERENCES:
patent: 4257219 (1981-03-01), Burrough et al.
patent: 4545298 (1985-10-01), Viaud
patent: 5025717 (1991-06-01), Viaud et al.
patent: 5025718 (1991-06-01), Viaud et al.
patent: 5134839 (1992-08-01), Clostermeyer et al.
patent: 5165332 (1992-11-01), Lee
patent: 5263410 (1993-11-01), Olin
patent: 5367865 (1994-11-01), Jennings et al.

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