Drill bit sharpening attachment

Description

FIG. 1 is a front, top and side perspective view of the drill bit sharpening attachment showing our new design;

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

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D151792 November 1948 Smith
2730849 January 1956 Novak
3374587 March 1968 Simpkins
3626645 December 1971 Rochet
4142332 March 6, 1979 Clarke
4176499 December 4, 1979 Mazoff
4270315 June 2, 1981 Reiling et al.
4547999 October 22, 1985 Reiling et al.
4566227 January 28, 1986 Wolff
4744178 May 17, 1988 Afshar
4974372 December 4, 1990 Chantalat
Patent History
Patent number: D356483
Type: Grant
Filed: Nov 23, 1993
Date of Patent: Mar 21, 1995
Inventors: Tim Fultz (Cromwell, IN), Randel D. Manley (Cromwell, IN)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Attorney: Terry M. Gernstein
Application Number: 0/15,639
Classifications
Current U.S. Class: D 8/91; D 8/51; D 8/71; Element Or Attachment (D15/126)