Wheel assembly for irrigation system

Details Wheel assembly for irrigation system Wheel assembly for irrigation system

2007-12-25

2007-12-25

Shaver, Kevin (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Mobile distributor

Irrigation device

C239S744000, C239S722000, C239S723000, C239S726000, C239S743000, C239S728000, C239S266000, C239S732000, C180S233000

Reexamination Certificate

active

11004474

ABSTRACT:
Mobile towers of an irrigation system have drive wheel assemblies that propel the towers along the ground. At least certain of the wheel assemblies may comprise dual wheels that share a common axis of rotation but are separately driven by their own drive motor. By driving the two separate wheels in unison but with their own individual drive shafts, increased ground-engaging surface area can be obtained without a consequential increase in load for any one motor.

REFERENCES:
patent: 3631884 (1972-01-01), Von Linsowe
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patent: 4704851 (1987-11-01), Manor
patent: 6039273 (2000-03-01), Christensen
patent: 6616374 (2003-09-01), Starr
patent: 6666384 (2003-12-01), Prandi
patent: 6755362 (2004-06-01), Krieger et al.
patent: 6755363 (2004-06-01), Weatherl et al.
patent: 6820828 (2004-11-01), Greenwalt
patent: 6889922 (2005-05-01), Knight et al.
patent: 2006/0060665 (2006-03-01), Arthur et al.
patent: 387465 (1990-09-01), None
Starr Trak Brochure—“The Answer to Your Irrigation Challenges” (Front and Back).
Zimmatic Center Pivot Components Brochure (30-0049-0).
Lindsay Manufacturing “irrigation Systems Product Guide” (LMC2004-04) (22 pgs with Front and Back Cover).

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