Density control mechanism for crop baler

Details Density control mechanism for crop baler Density control mechanism for crop baler

1976-08-27

1977-07-26

Wilhite, Billy J.

Presses

Concurrent pressing and conveying

Plunger and casing type

100 43, B30B 930

Patent

active

040375285

ABSTRACT:
The discharge end of a bale chamber may be constricted or enlarged such that bales being packed rearwardly through the chamber may be increased or decreased in density by regulating their resistance to exit from the chamber. Bell cranks at the four corners of the chamber are coupled with shiftable walls of the latter in such a way that pressure increases or decreases are simultaneously experienced by all of the walls upon introduction or release of hydraulic fluid to a pair of power devices which interconnect the two cranks on each side of the chamber. The two legs of each bell crank are of equal radial length with respect to the axis of swinging movement of the crank so that equal moment arms are produced by such legs to accomplish substantially uniform pressure around the bale within the chamber.

REFERENCES:
patent: 802410 (1905-10-01), Sanders
patent: 1014765 (1912-01-01), Luce
patent: 1062465 (1913-05-01), Hill
patent: 1221767 (1917-04-01), Rowley
patent: 1631881 (1927-06-01), Murray
patent: 2823603 (1958-02-01), Collins
patent: 3024719 (1962-03-01), Englund
patent: 3294013 (1966-12-01), Seltzer
patent: 3350999 (1967-11-01), Morse

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