Grinding machine attachment for rotary mower blades

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Description

FIG. 1 is a perspective view of a grinding machine attachment for rotary mower blades, showing my new design, the grinding wheel shown in broken lines is for illustrative purposes only, and forms no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
978356 December 1910 Chaille
1892667 January 1933 Harnden
3996818 December 14, 1976 Lindsay
4611509 September 16, 1986 Matsutani
4934108 June 19, 1990 Hall
Patent History
Patent number: D326659
Type: Grant
Filed: Jun 18, 1990
Date of Patent: Jun 2, 1992
Inventor: Dennis R. Smith (Lubbock, TX)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Application Number: 7/539,470
Classifications
Current U.S. Class: Element Or Attachment (D15/17)