Drill base for detachably securing to various size pipes

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Description

FIG. 1 is a top, front and right side perspective view of a drill base for detachably securing to various size pipes showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

Portions of the chain loop have been eliminated in FIG. 1 for ease of illustration, while the threaded tightener and chain loop have been eliminated in FIGS. 2-7 for ease of illustration.

Referenced Cited
U.S. Patent Documents
D230504 February 1974 Gentry et al.
D266522 October 12, 1982 Norris et al.
3741670 June 1973 Wood
3967687 July 6, 1976 Fowler
4533284 August 6, 1985 Agius et al.
4936720 June 26, 1990 Dolatowski et al.
5051044 September 24, 1991 Allen
Patent History
Patent number: D334017
Type: Grant
Filed: Sep 9, 1991
Date of Patent: Mar 16, 1993
Assignee: Triple "R" Specialty of Jax., Inc. (Jacksonville, FL)
Inventors: Richard A. Mummaw (Jacksonville, FL), Carl E. Wise (Jacksonville, FL)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Attorney: Arthur G. Yeager
Application Number: 7/756,754
Classifications
Current U.S. Class: Tool Or Work Holder (D15/140)