Title: Belt-tensioning system for round balers

Abstract: A round baler of typical construction has a novel belt and roll system arranged to provide a pair of lower rolls from which oppositely running stretches extend upwardly to a pair of closely spaced apart intermediate rolls which are journaled on a carrier means which in turn is movable upwardly as bale size increases between the oppositely running stretches. The bale is confined below the two intermediate rolls while other stretches of the belt are trained about additional rolls enabling deflecting of the chamber-forming stretches during bale formation. Control means is provided to act on the carrier to control upward movement of the carrier means and thus to control bale density in an improved and efficient manner. The control means further includes hydraulic means tied in with the hydraulic means that controls the bale-discharge gate.

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Inventors: Koning, Richard W. (Ottumwa, IA)
Meiers, Gerald F. (Ottumwa, IA)
Anstey, Henry D. (Ottumwa, IA)

Application Number: 06/308223
Filing Date: 1981-10-05
Publication_date: 1983-07-05
Assignee: DEERE & CO

Primary Class(es): 100/88 56/341
Other Classes: A01F15/08; A01F15/00; A01D39/00; B30B5/06
US Patent Ref:

3722197	March, 1973	Vermeer	56/341	METHOD AND MACHINE FOR FORMING A LARGE ROUND BALE OF A FIBROUS MATERIAL
4121513	October, 1978	Kopaska	100/88	Machine for rolling crops into round bales
4252057	February, 1981	Gaeddert et al.	56/341	Bale tensioning apparatus in a rotary baler
4258619	March, 1981	Gaeddert	56/341	Rotary baler having bale-ejecting apparatus
4336750	June, 1982	White et al.	100/88	Stray crop buildup expeller for rotary balers

Other Refs:
Primary Examiner: Feldman, Peter
Assistant Examiner:
Attorney: Henderson & Sturm

Claims:

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