Planting – Drilling – Furrow closer
Reexamination Certificate
2005-06-21
2005-06-21
Pezzuto, Robert E (Department: 3671)
Planting
Drilling
Furrow closer
Reexamination Certificate
active
06907833
ABSTRACT:
A furrow closing wheel for an agricultural seeder has a center body portion and spokes extending radially outwardly from the body portion. The spokes each have a base attached to the body portion and a blunt tip located radially outwardly thereof. The blunt tip of each spoke has a circumferential length which is 1 to 6 times larger than a thickness of the blunt tip. The spokes each have a substantially constant thickness of about 0.1 to 0.5″ from the base to the blunt tip, and are tapered such that a circumferential length of the base of each spoke is 1.5 to 5 times larger than the circumferential length of the blunt tip. The spokes are 0.8 to 1.8 inches long in a radial direction from the base to the blunt tip. A mounting system having a protective shroud is provided for mounting the furrow closing wheel to the seeder.
REFERENCES:
patent: 2924189 (1960-02-01), McLeod
patent: 4438710 (1984-03-01), Paladino
patent: 5269237 (1993-12-01), Baker et al.
patent: 5443023 (1995-08-01), Carroll
patent: 5477792 (1995-12-01), Bassett et al.
patent: 5497717 (1996-03-01), Martin
patent: 5896932 (1999-04-01), Bruns et al.
patent: 5970891 (1999-10-01), Schlagel
patent: 6119608 (2000-09-01), Peterson et al.
patent: 6314897 (2001-11-01), Hagny
patent: 6530334 (2003-03-01), Hagny
Photo Sheets labeled “Angled Close Wheel 1” and “Angled Close Wheel 2” showing a closing wheel of Yetter Mfg. Co., Inc. dated Oct. 21, 2002.
Photo Sheet labeled “P:\10IN RM SEALER\Image03.jpg” showing a closing wheel referred to as the “John Deere Memphis Closing Wheel” dated Feb. 5, 2001.
Unpublished Drawing Sheet No. X4441-12 of Yetter Mfg. Co., Inc. dated Apr. 3, 2001.
Thompson Benjamin K.
Thompson Keith D.
Pezzuto Robert E
Thompson Jeffrey L.
Thompson & Thompson P.A.
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