Grinder blade assembly

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Description

FIG. 1 is a right-front perspective view of the grinder blade assembly design of the present invention;

FIG. 2 is a front elevational view of the grinder blade assembly design of FIG. 1;

FIG. 3 is a right side elevational view of the grinder blade assembly design of FIG. 1;

FIG. 4 is a rear elevational view of the grinder blade assembly design of FIG. 1; and,

FIG. 5 is a top plan view of the grinder blade assembly design of FIG. 1.

The left side view is identical to the right side view of FIG. 3 and the bottom is flat and unornamental.

Referenced Cited
U.S. Patent Documents
2099207 November 1937 Hill et al.
2340018 January 1944 Rickrode
4634188 January 6, 1987 Persson
4758050 July 19, 1988 Peterson et al.
5335977 August 9, 1994 Morrell et al.
5409299 April 25, 1995 Holder
5683143 November 4, 1997 Peterson et al.
5685373 November 11, 1997 Collins et al.
6021771 February 8, 2000 Swan et al.
Patent History
Patent number: D434052
Type: Grant
Filed: Nov 15, 1999
Date of Patent: Nov 21, 2000
Assignee: Equipment Development Company, Inc. (Frederick, MD)
Inventors: Leo Swan (Jefferson, MD), William Richard Harding (Frederick, MD)
Primary Examiner: Antoine Duval Davis
Application Number: 0/113,818
Classifications
Current U.S. Class: Tool Or Work Holder (D15/140)
International Classification: 1509;