Severing head with tapered centralizing assembly having centralizing holes

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Description

FIG. 1 is a top perspective view of a severing head with tapered centralizing assembly having centralizing holes showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D308874 June 26, 1990 Tsujimura et al.
4125161 November 14, 1978 Chammas
4250960 February 17, 1981 Chammas
4494601 January 22, 1985 Pratt et al.
4619318 October 28, 1986 Terrell et al.
Other references
  • McCullogh Tool Co; McCullogh Chemical Cutter; Mar. 1957; p. 135; Applicant Provided.
Patent History
Patent number: D355427
Type: Grant
Filed: Sep 27, 1993
Date of Patent: Feb 14, 1995
Inventor: Wayne B. Hatcher (Harvey, LA)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Attorney: George A. Bode
Application Number: 0/13,560
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)