Round bale forming apparatus

Details Round bale forming apparatus Round bale forming apparatus

1999-10-08

2000-11-14

Pezzunto, Robert E.

Harvesters

Raking and bundling

A01D 7500

Patent

active

061452920

ABSTRACT:
A round baler for forming crop material into cylindrical bales. The baler has a main frame, a pair of side walls, a crop pickup mounted on the main frame, and a tailgate pivotally connected to the main frame. The tailgate is operative between a closed position during which a bale is being formed in an expandable chamber, and an open position during which a formed bale is being discharged from the chamber. A sledge assembly, pivotally mounted on the main frame for movement between a bale starting position and a full bale position, has crop engaging transverse rollers for urging the crop material along a spiral path in the chamber for starting and forming a bale. An apron is supported along a continuous path on the main frame and tailgate by a plurality of rotatable guide members. The path has an inner course that cooperates with the sledge rolls on the sledge assembly to define moveable walls of the chamber. A drive roll moves the apron along the continuous path. A take up assembly, operative between the bale starting position and full bale position for providing proper apron tension, is maintained between the inner surfaces of the tailgate sidewalls to avoid misalignment.

REFERENCES:
patent: 4870812 (1989-10-01), Jennings et al.
patent: 4913062 (1990-04-01), Burke
patent: 4924945 (1990-05-01), Mork
patent: 5444969 (1995-08-01), Wagstaff et al.
patent: 5899007 (1999-05-01), Niemela et al.

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