Post hole digger blade
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FIG. 1 is a front elevational view of a posthole-digger blade embodying our design;
FIG. 2 is a right side elevational view thereof; the left side elevational view being a mirror image of the right side elevational view;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a partial cross-sectional view thereof taken across line 6--6 of FIG. 1;
FIG. 7 is a cross-sectional view thereof; taken across line 7--7 of FIG. 1;
FIG. 8 is a reduced scale environmental perspective view thereof;
FIG. 9 is an enlarged front elevational view of a second embodiment of our invention;
FIG. 10 is a right side elevational view thereof, the left side elevational view being a mirror image of the right side elevational view;
FIG. 11 is a rear elevational view thereof;
FIG. 12 is a bottom plan view thereof;
FIG. 13 is a top plan view thereof;
FIG. 14 is a cross-sectional view thereof across line 14--14 of FIG. 11;
FIG. 15 is a partial cross-sectional view thereof across line 15--15 of FIG. 11;
FIG. 16 is a reduced scale environment perspective view thereof;
FIG. 17 is a partial cross-sectional view of the first embodiment of our invention across line 17--17 of FIG. 1; and,
FIG. 18 is a partial cross-sectional view of the second embodiment of our invention across line 18--18 of FIG. 11.
The broken line showing of fragmented handles and an adjacent blade is for illustrative purposes only and forms no part of the claimed design.
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- Hardware Age, p. 74, post hole digger circled in right corner, May 1984. Union Fork and Hoe Company, p. 50, post hole digger, any on page, Dec. 1986 .
Type: Grant
Filed: Aug 21, 1996
Date of Patent: Nov 17, 1998
Assignee: Uniontools (Columbus, OH)
Inventors: David Bonnes (Westerville, OH), Herbert Wehner (Columbus, OH)
Primary Examiner: Holly Baynham
Law Firm: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
Application Number: 0/58,705
International Classification: 0801;