Twine wrapping mechanism for a large round baler

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

A - Human Necessities

01

D

100/12

A01D 59/12 (2006.01) A01F 15/14 (2006.01) B65B 13/02 (2006.01)

Patent

CA 1202817

TWINE-WRAPPING MECHANISM FOR A LARGE ROUND BALER Abstract of the Disclosure An automatic twine-wrapping mechanism for a large round baler. The mechanism comprises a twine dispensing mechanism for dispensing twine into the bale-forming chamber of the baler, a reversible hydraulic drive means for cycling a twine arm of the dispensing mechanism back and forth in front of the chamber, a twine wrapping control mechanism 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 for terminating a twine wrapping cycle by deactivating the hydrau- lic 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 actu- ates 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. Also, the twine arm includes a tubular guide and guide support, which in conjunction with a twine tensioner of the twine dispensing mechanism enables simplified threading of twine through the dispensing mechanism.

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