Tillage sweep

- Deere & Company
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Description

FIG. 1 is a perspective view of the bottom of a tillage sweep showing my new design, the broken line showing of the apertures being for illustrative purposes only.

FIG. 2 is a bottom plan view of the tillage sweep design of FIG. 1.

FIG. 3 is a front perspective view of the tillage sweep design of FIG. 1.

FIG. 4 is a right side view of the tillage sweep design of FIG. 1, the broken line showing of the apertures being for illusrative purposes only.

FIG. 5 is a rear view of the tillage sweep design of FIG. 1.

FIG. 6 is a top plan view of the tillage sweep design of FIG. 1; and,

FIG. 7 is a left side view of the tillage sweep design of FIG. 1, the broken line showing of the apertures being for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
D190335 May 1961 Livermore
D360420 July 18, 1995 Woodward et al.
D376373 December 10, 1996 Peterson et al.
D415173 October 12, 1999 Zaun
D415773 October 26, 1999 Chapman
3225467 December 1965 Troeppl
4787462 November 29, 1988 Nichols
5499686 March 19, 1996 Parker
Patent History
Patent number: D429256
Type: Grant
Filed: Jun 14, 1999
Date of Patent: Aug 8, 2000
Assignee: Deere & Company (Moline, IL)
Inventor: Richard David Zaun (West Des Moines, IA)
Primary Examiner: Sandra L. Morris
Application Number: 0/106,485
Classifications
Current U.S. Class: Disc, Rotary Hoe, Or Tooth (D15/29)
International Classification: 1503;