Twine-wrapping mechanism for mechanism for a large round baler

Details Twine-wrapping mechanism for mechanism for a large round baler Twine-wrapping mechanism for mechanism for a large round baler

1982-05-28

1984-03-20

Wilhite, Billy J.

Presses

Binding

With automatic or material-triggered control

100 5, 100 88, 56341, B30B 1318

Patent

active

044373996

ABSTRACT:
An automatic twine-wrapping mechanism for a large round baler. The mechanism comprises (1) a twine dispensing mechanism for dispensing twine into the bale-forming chamber of the baler, (2) a reversible hydraulic drive means for cycling a twine arm of the dispensing mechanism back and forth in front of the chamber, (3) a twine wrapping control mechanism (a) for initiating a twine wrapping cycle by sensing the growth of a bale to a predetermined diameter by automatically actuating a pump drive means for driving a hydraulic pump and by positioning a hydraulic control valve to condition the hydraulic drive means to cycle the twine arm and (b) for terminating a twine wrapping cycle by deactivating the hydraulic drive means following the wrapping of twine around the bale. The twine is automatically severed by a twine cutter responsive to the movement of the twine arm following completion of the wrapping of the twine around the bale. The baler operator actuates a bale ejection mechanism following the cutting of the twine. Following bale ejection, the twine wrapping cycle is terminated by the twine wrapping control mechanism sensing that the bale chamber is empty. The baler is now ready to begin the formation of another bale therein.

REFERENCES:
patent: 2468641 (1949-04-01), Scranton
patent: 3894484 (1975-07-01), Anstey
patent: 3913473 (1975-10-01), Meiers
patent: 4057954 (1977-11-01), Mast
patent: 4062279 (1977-12-01), Grube et al.
patent: 4182235 (1980-01-01), Harig
patent: 4253387 (1981-03-01), Schmitt

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