Lower forming apron and drive for a crop material roll forming m

Details Lower forming apron and drive for a crop material roll forming m Lower forming apron and drive for a crop material roll forming m

1976-08-30

1979-05-15

Feldman, Peter

Presses

With additional treatment of material

Winding or folding sheet, web or strand

56341, 198814, B30B 506, B30B 900, A01D 3900

Patent

active

041541626

ABSTRACT:
A crop material roll forming machine, such as a large round baler, has a mobile frame adapted to travel across a field, an upper apron movably mounted on the frame that cooperates with an improved lower apron in defining a roll forming region therebetween. The lower apron is movably mounted on the frame below the upper apron and includes a series of fore-and-aft extending transversely spaced apart flexible members which are supported at their respective forward end portions by a first series of transversely spaced apart elements and at their respective rearward end portions by a second series of transversely spaced apart elements. The first series of elements are individually mounted on the front end of the frame and are yieldably movable in a fore-and-aft direction for maintaining a level of tension on the flexible members sufficient to facilitate coiling of crop material into a roll in the roll forming region. The second series of elements are supported on a transverse shaft rotatably mounted on the rear end of the frame and adapted to be drivingly connected to a drive means which drives the upper apron in a predetermined direction and the lower apron in a direction counter to the predetermined direction of the upper apron.

REFERENCES:
patent: 452191 (1891-05-01), Oliver
patent: 1188725 (1916-06-01), Brown
patent: 1473614 (1923-11-01), Fersdahl
patent: 2759594 (1956-08-01), Kleboe et al.
patent: 3463024 (1969-08-01), Blanshine et al.
patent: 3847073 (1974-11-01), Mast et al.
patent: 3964246 (1976-06-01), Kopaska

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