Earthworking wheel

Description

FIG. 1 is a front elevational view of the earthworking wheel of our new design;

FIG. 2 is a side elevational view of the right side of FIG. 1;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a side elevational view of the left side of FIG. 1;

FIG. 5 is a top plan view of FIG. 1; and,

FIG. 6 is a bottom plan view of FIG. 1.

Referenced Cited
U.S. Patent Documents
D221461 August 1971 Hagenstad
D305337 January 2, 1990 Plummer
D399215 October 6, 1998 Bruns
488775 December 1892 Scandracof et al.
1688914 October 1928 Ariens
1790093 January 1931 Ferguson
3605907 September 1971 Schuring et al.
4216832 August 12, 1980 Stephenson et al.
4391335 July 5, 1983 Birkenbach
4591002 May 27, 1986 Meinert
5190112 March 2, 1993 Johnston et al.
5222562 June 29, 1993 Roiger
5419402 May 30, 1995 Heintzman
5497717 March 12, 1996 Martin
5540004 July 30, 1996 Patterson et al.
Patent History
Patent number: D421026
Type: Grant
Filed: Apr 20, 1998
Date of Patent: Feb 22, 2000
Inventors: Mark W. Bruns (Hutchinson, MN), Steven A. Bruns (Hutchinson, MN)
Primary Examiner: Sandra L. Morris
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 0/86,819
Classifications
Current U.S. Class: Disc, Rotary Hoe, Or Tooth (D15/29)
International Classification: 1503;