Needle with air duct

Presses – Binding – Binder applying

Reexamination Certificate

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Details

C100S01900R, C100S024000, C056S343000, C289S016000

Reexamination Certificate

active

07854195

ABSTRACT:
A baler has a bale chamber and a needle movable through the bale chamber to pass a strand of twine from one side of the bale chamber to a knotter located on the opposite side, the twine being engaged by a tip of the needle. In the invention, pressurized air is directed at the needle tip. The supply of pressurized air may be discontinuous and timed to coincide only with certain phases of the needle operating cycle. The air stream avoids crop material being caught up in the knots formed by the knotter.

REFERENCES:
patent: 3020829 (1962-02-01), Pearson
patent: 4285285 (1981-08-01), Chambers et al.
patent: 5347920 (1994-09-01), Vansteelant
patent: 7318376 (2008-01-01), Ensminger et al.
patent: 7458620 (2008-12-01), Rotole et al.
patent: 606668 (1991-02-01), None

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