Flywheel fan for supplying pressurized air for cleaning...

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Reexamination Certificate

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C100S102000, C056S012800, C056S343000, C056S433000, C289S002000

Reexamination Certificate

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07900555

ABSTRACT:
A large square baler is equipped with a plunger drive incorporating a flywheel configured as a fan which creates a flow of air within a housing disposed about the flywheel. A duct arrangement is coupled between the housing and a knotter table housing so that air is directed across and maintains a plurality of knotters located at the knotter table free of debris.

REFERENCES:
patent: 3020829 (1962-02-01), Pearson
patent: 3525302 (1970-08-01), Eberly et al.
patent: 4805391 (1989-02-01), De Zylva
patent: 4951452 (1990-08-01), Lundahl et al.
patent: 7318376 (2008-01-01), Baldauf
patent: 2007/0175611 (2007-08-01), Roth et al.
patent: 4429066 (1996-02-01), None
patent: 689883 (1953-04-01), None
European Search Report, Mar. 5, 2010, 4 Pages.

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