Integrated clutches for a seeding machine

Details Integrated clutches for a seeding machine Integrated clutches for a seeding machine

2008-04-03

2009-08-11

Novosad, Christopher J. (Department: 3641)

Planting

Miscellaneous

C111S921000, C111S922000, C192S070190, C192S070160, C074S013000, C172S105000

Reexamination Certificate

active

07571688

ABSTRACT:
A seeding machine having a plurality of seed meters receiving rotary input from a common input shaft. First and second gearboxes respectively connect the common rotary input to individual seed meters. A flexible drive extends from the gearbox adjacent the common rotary input to the seed meters. Spring clutches, normally connected, are electrically actuated to disengage the drive to the individual seed meters. The clutches may be integrated in the gearbox adjacent the rotary drive or the gear box for the individual seed meters.

REFERENCES:
patent: 2725006 (1955-11-01), Richmond
patent: 2801833 (1957-08-01), Huge
patent: 4779471 (1988-10-01), Rettig
patent: 5003894 (1991-04-01), Lafferty
patent: 5078066 (1992-01-01), Lafferty
patent: 6240861 (2001-06-01), Memory
patent: 7104339 (2006-09-01), Garner
patent: 7152541 (2006-12-01), Ptacek
patent: 7273016 (2007-09-01), Landphair et al.
patent: 7374029 (2008-05-01), Dillman
patent: 2002/0178981 (2002-12-01), Drummond et al.

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