USD225075S - Boring auger for horizontal earth boring machines - Google Patents

Description

United States Patent Ofifice 225,075

Patented Nov. 7, 1972 BORING AUGER FOR HORIZONTAL EARTH BORING MACHINES Albert R. Richmond, West Salem, Ohio, assignor to The Richmond Manufacturing Company, Ashland, Ohio Filed Aug. 6, 1970, Ser. No. 24,332

Term of patent 14 years Int. Cl. D1504 US Cl. D391 Des. 225,075

PAGE 5 References Cited FIG. 1 is a top plan view of a boring auger for a horizontal earth boring machine showing my new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is an elevation of the opposite side;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top perspective view of the boring auger of FIG. 1; and

5 4 XX 31 w v 5 5 u u 5 S T nh N u E T A "l P a "a H a n T m.m w A YWCQ T O SJOL 855 566 T999 1111 N//// 9300 U 11 2 2 709 n, 043 570 8 22 233 OTHER REFERENCES Pit and Quarry, 1960, p. A75, Schramm bottom-hole drilling tool.

FIG. 6 is a bottom perspective view of the boring auger of FIG. 1.

I claim: The ornamental design for a boring auger for horizontal earth borin machines as shown.

BERNARD ANSHER Primarv Exami

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