Combined tapping chuck and handle

Description

FIG. 1 is an exploded front, top and side perspective view of the extension for a combined tapping chuck and handle showing my new design;

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

FIG. 3 is a side elevational view thereof, the side opposite being a mirror image of the side shown in FIG. 3;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D261979 November 24, 1981 Smith
D287695 January 13, 1987 Abril
D288656 March 10, 1987 Smith
1288324 December 1918 Weir
1683384 September 1928 Durham, Jr. et al.
1741969 December 1929 Bellows
3416395 December 1968 Hanson
4527809 July 9, 1985 Umbert
4682918 July 28, 1987 Palm
4695065 September 22, 1987 Komatsu et al.
4836563 June 6, 1989 Rohm
4934221 June 19, 1990 Hsiao
Other references
  • Jensen Tools Catalog, 1983-84, p. 148, Tap Wrench at middle of page.
Patent History
Patent number: D349024
Type: Grant
Filed: Nov 13, 1992
Date of Patent: Jul 26, 1994
Inventor: Otto Doffee (Merecd, CA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Attorney: Terry M. Gernstein
Application Number: 0/1,423
Classifications
Current U.S. Class: D 8/14