Round baler apron tensioning apparatus

Details Round baler apron tensioning apparatus Round baler apron tensioning apparatus

1993-08-13

1994-11-29

Buiz, Michael Powell

Harvesters

Raking and bundling

A01D 3900

Patent

active

053678656

ABSTRACT:
A round baler having a main frame, a tailgate pivotally connected to the main frame and an apron extending around a plurality of guide rolls disposed in the main frame and the tailgate. A pair of take up arms, rotatably mounted on the main frame, carry at least one additional guide roll for the apron. The apron defines a bale forming chamber which varies in size from a bale starting position to a full bale position under conditions where crop material is conveyed thereto. A pair of levers, connected to rotate with the take up arms as the girth of the bale being formed increases, are attached to a tensioning mechanism to urge the take up arms to the bale starting position of the apron. The tensioning mechanism includes a spring and a hydraulic cylinder mounted in tandem on one side of the baler and a spring on the other side of the baler.

REFERENCES:
patent: 4280320 (1981-07-01), Eggers
patent: 4391187 (1983-05-01), Koning et al.
patent: 4414888 (1983-11-01), Campbell et al.
patent: 4417436 (1983-11-01), Campbell
patent: 4425753 (1984-01-01), Freimuth
patent: 4656820 (1987-04-01), Jennings
patent: 4698955 (1987-10-01), Wagstaff
patent: 4748801 (1988-06-01), Sheehan et al.
patent: 4870812 (1989-10-01), Jennings et al.
patent: 4899651 (1990-02-01), Lausch et al.

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