Rotating head for drilling

Description

FIG. 1 is a left side elevational view of a rotating head for drilling showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
2124840 July 1938 Wrigley
3052300 September 1962 Hampton
4312404 January 26, 1982 Morrow
4363357 December 14, 1982 Hunter
4398599 August 16, 1983 Murray
Patent History
Patent number: D282073
Type: Grant
Filed: Feb 23, 1983
Date of Patent: Jan 7, 1986
Assignee: Arkoma Machine Shop, Inc. (Fort Smith, AR)
Inventors: Robert M. Bearden (Fort Smith, AR), W. A. Haynes (Greenwood, AR)
Primary Examiner: James R. Largen
Law Firm: Dunlap, Codding & Peterson
Application Number: 6/468,933