Planting – Drilling – Having depositor feature
Reexamination Certificate
2007-07-11
2008-09-23
Novosad, Christopher J. (Department: 3641)
Planting
Drilling
Having depositor feature
C111S903000
Reexamination Certificate
active
07426894
ABSTRACT:
A seed tube for an agricultural planter has a top entrance, a bottom exit, front and rear walls, and sidewalls. A lower seed tube locator fits around the main body of the seed tube as a separate component and provides a lower attachment point for the seed tube. The front wall of the seed tube is free of substantial molded structures that would tend to create a sink or warp the interior surface of the front wall during molding. A sensor is mounted to the seed tube to face an exterior surface of the front wall. Light is transmitted and received by the sensor through the front wall to detect seeds passing through the seed tube. The interior surface of the front wall is smooth, uninterrupted and sink-free to avoid any obstructions that might alter the trajectory of the falling seeds, thereby increasing the seed spacing accuracy of the planter.
REFERENCES:
patent: 4157468 (1979-06-01), Primiano
patent: 4162744 (1979-07-01), Barker et al.
patent: 4431257 (1984-02-01), Born
patent: 4915258 (1990-04-01), Olson
patent: 5533458 (1996-07-01), Bergland et al.
patent: 5607225 (1997-03-01), Halvatzis
patent: 5650609 (1997-07-01), Mertins et al.
patent: 5883383 (1999-03-01), Dragne
patent: 6332413 (2001-12-01), Stufflebeanm et al.
patent: 7004090 (2006-02-01), Swanson
patent: 2007/0084387 (2007-04-01), Mariman et al.
“Bullseye Seed Tube” advertisement, Successful Farming, Jan. 2007.
Nelson Brent W.
Peterson Bruce D.
Great Plains Manufacturing, Inc.
Novosad Christopher J.
Thompson Jeffrey L.
Thompson & Thompson P.A.
LandOfFree
Smooth flow seed tube for agricultural planters does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Smooth flow seed tube for agricultural planters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Smooth flow seed tube for agricultural planters will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3991835