Method and apparatus for blocking air from a seed planter

Details Method and apparatus for blocking air from a seed planter Method and apparatus for blocking air from a seed planter

2007-07-03

2007-07-03

Novosad, Christopher J. (Department: 3641)

Planting

Drilling

Having depositor feature

C111S200000, C111S900000

Reexamination Certificate

active

10677447

ABSTRACT:
A seed planting assembly is provided having a plurality of planting units that are connected to an air moving system for drawing air through an air metering assembly located in each planting unit via a conduit connecting each air metering assembly to an air mover unit. An air blocking system is provided for blocking airflow in the conduit associated with one or more predetermined planting units.

REFERENCES:
patent: 4872785 (1989-10-01), Schrage et al.
patent: 5517932 (1996-05-01), Ott et al.
patent: 6109193 (2000-08-01), Crabb et al.
patent: 6401638 (2002-06-01), Crabb et al.

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