Throat control apparatus in an open throat, rotary baler

Details Throat control apparatus in an open throat, rotary baler Throat control apparatus in an open throat, rotary baler

1981-08-31

1983-12-27

Feldman, Peter

Presses

With additional treatment of material

Winding or folding sheet, web or strand

56341, B30B 504

Patent

active

044223730

ABSTRACT:
The baler has an internal chamber within which crop materials are coiled up into a cylindrical bale by oppositely moving belts which are looped around a pair of spaced apart guide rollers at the bottom of the chamber to define a wide-open, entrance throat to the chamber from the windrow pickup device of the baler. Located within the throat is a control gate positioned to partially span the throat and to prevent retrograde outflow of crop material during bale formation while permitting unobstructed inflow of material from the crop pickup device. When swung upwardly to its opened position, the gate permits incoming material to be fed upwardly in the chamber and acted upon by a generally upwardly moving belt thereof while preventing outflow of material being acted upon by a downwardly moving belt of the chamber. When swung down to its generally horizontal, closed position during the later stages of the bale formation as the enlarging bale comes to rest upon the gate, the short length of the gate relative to the throat dimensions permits material to continue to flow into the chamber in a generally rearward, horizontal direction beneath the forming bale while the closed gate continues to obstruct outflow promoted by the downwardly moving belt at the opposite side of the chamber.

REFERENCES:
patent: 799175 (1905-09-01), Luebben et al.
patent: 3269098 (1966-08-01), Bushmeyer et al.
patent: 3722197 (1973-03-01), Vermeer
patent: 3914926 (1975-10-01), Braunberger et al.
patent: 4155298 (1979-05-01), Gaeddert
patent: 4252057 (1981-02-01), Gaeddert et al.

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