Articulated blasthole drilling vehicle

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Description

FIG. 1 is a left side elevational view of the articulated blasthole drilling vehicle showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front end elevational view thereof;

FIG. 5 is a rear end elevational view thereof;

FIG. 6 is a left side elevational view thereof, on a reduced scale, with the drill tower in upright position; and,

FIG. 7 is a right side elevational view of FIG. 6.

Referenced Cited
U.S. Patent Documents
3670831 June 1972 Winter, Jr. et al.
3734211 May 1973 Haisch et al.
Patent History
Patent number: D264590
Type: Grant
Filed: Jul 16, 1979
Date of Patent: May 25, 1982
Assignee: Ewbank Mfg. Division, Inc. (Fairview, OK)
Inventor: G. Richard Thomas (Fairview, OK)
Primary Examiner: James M. Gandy
Attorney: Robert K. Rhea
Application Number: 6/57,930
Classifications
Current U.S. Class: Drilling, Mining, Or Soil Treatment (includes Element) (D15/21)
International Classification: D1504;