B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
100/15
B30B 5/04 (2006.01) A01F 15/07 (2006.01) B30B 9/30 (2006.01)
Patent
CA 1045455
S P E C I F I C A T I O N AN IMPROVED LOWER FORMING APRON AND DRIVE FOR A CROP MATERIAL ROLL FORMING MACHINE ABSTRACT OF THE DISCLOSURE 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 force-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.
282948
Blanshine Allison W.
Eggers Edward T.
LandOfFree
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