Rolling rack control for automatic bale wagon

Details Rolling rack control for automatic bale wagon Rolling rack control for automatic bale wagon

1978-08-14

1980-10-14

Paperner, L. J.

Material or article handling

With weighing

91429, 414107, 414525R, A01D 8712, B65G 5732

Patent

active

042278457

ABSTRACT:
A hydraulic control system for the rolling rack of a three table bale wagon wherein the rolling rack is movable along the third table for supporting tiers of bales deposited on the third table by the second table, the control system including a single acting hydraulic cylinder for positively advancing the rolling rack to a first position wherein the third table is ready to receive tiers of bales, apparatus for selectively connecting the hydraulic cylinder with a source of hydraulic fluid under pressure for extending the hydraulic cylinder and thereby moving the rolling rack to the first position, and including a fluid flow line; selective apparatus connected with the fluid flow line for intermittent release of fluid pressure from the fluid flow line so that when mechanical pressure is exerted against the hydraulic cylinder in such a manner as to urge retraction of the cylinder, the retraction may be controlled by intermittent release of pressure from the fluid flow line.

REFERENCES:
patent: 3502229 (1970-03-01), Butler
patent: 3635359 (1972-01-01), Fisher
patent: 3819071 (1974-06-01), Liberman
patent: 3901393 (1975-08-01), Butler et al.
patent: 3927771 (1975-12-01), Butler et al.
patent: 3934871 (1976-01-01), Dean
patent: 3945507 (1976-03-01), Olsen et al.
patent: 4020962 (1977-05-01), Colin

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