Planting – Drilling – Frame and planting-element arrangement
Reexamination Certificate
2011-07-12
2011-07-12
Novosad, Christopher J. (Department: 3641)
Planting
Drilling
Frame and planting-element arrangement
C111S140000, C111S163000, C111S193000, C172S604000
Reexamination Certificate
active
07975629
ABSTRACT:
A closing wheel assembly having a closing wheel frame and at least one closing wheel pivotally mounted to a lever allows the operator to change the angle at which the at least one closing wheel intersects the ground surface during use. The lever to which the closing wheel is mounted may be pivotally mounted to the closing wheel frame about a lever attachment. The lever may be formed with a lever handle on a first end thereof and a closing wheel mount on the second end thereof, wherein the lever attachment is positioned between the first and second ends of the lever. Accordingly, as the angle of the lever is manipulated about the lever attachment, the angle of the closing wheel pivotally mounted to that lever changes in the vertical and/or horizontal dimensions.
REFERENCES:
patent: 4307674 (1981-12-01), Jennings et al.
patent: 4374500 (1983-02-01), Westerfield
patent: 5497717 (1996-03-01), Martin
patent: 5619939 (1997-04-01), Herman et al.
patent: 5676073 (1997-10-01), Bergland et al.
patent: 6135037 (2000-10-01), Juptner
patent: 6530334 (2003-03-01), Hagny
patent: 7152541 (2006-12-01), Ptacek
patent: 2002/0100401 (2002-08-01), Lempriere
Damschen Charles A.
Hamilton Jay R.
Hamilton IP Law, PC
Novosad Christopher J.
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