Nutrient device and method

Details Nutrient device and method Nutrient device and method

2008-12-22

2010-10-12

Pezzuto, Robert E (Department: 3671)

Earth working

Rolling, rotating or orbitally moving tool

Paired press rims

C111S136000, C111S139000

Reexamination Certificate

active

07810578

ABSTRACT:
The nutrient device of the present invention includes a ground having a ground surface. The coulter is mounted for rotation about a coulter axis and the coulter penetrates the ground and makes the ground penetration below the ground surface. A cleaning wheel is mounted for rotation about a cleaning wheel axis, and the cleaning wheel extends upwardly from engaging the coulter to a cleaning wheel point spaced away from the coulter. A conduit is positioned to deliver a nutrient onto the coulter for dispensing the nutrient into the ground penetration. A closing wheel is positioned adjacent the rear of the coulter and the cleaning wheel for closing the ground penetration.

REFERENCES:
patent: D245695 (1977-09-01), Watts
patent: 4051902 (1977-10-01), Van Der Lely
patent: 4060134 (1977-11-01), Van Der Lely
patent: 4126185 (1978-11-01), Van Der Lely
patent: 4307674 (1981-12-01), Jennings et al.
patent: 4930431 (1990-06-01), Alexander
patent: 5709271 (1998-01-01), Bassett
patent: 5752454 (1998-05-01), Barton
patent: 5970892 (1999-10-01), Wendling et al.
patent: 6253692 (2001-07-01), Wendling et al.
patent: 7681656 (2010-03-01), Jagow et al.
patent: 2004/0149186 (2004-08-01), Stark et al.

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