T-nut workholder clamp

Description

FIG. 1 is a perspective view of a T-Nut workholder clamp showing my new design, the broken lines representing a machine tool table and workpiece is shown for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

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

FIG. 5 is a top plan view of a second embodiment thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevational view thereof, the right side being a mirror image; and

FIG. 8 is a front elevational view of both embodiments, the rear being identical.

Referenced Cited
U.S. Patent Documents
D219426 December 1970 Ginsberg
D229610 December 1973 Shinjo
D276411 November 20, 1984 Peroni
1033758 July 1912 Howell
2247499 July 1941 Hutchison, Jr.
2302621 November 1942 Luboshez
4076228 February 28, 1978 Sheldon
4139188 February 13, 1979 Avedian
Other references
  • Manhattan Industrial Supply Company, Effective 9/1/84, p. 74, "T-slot Nuts" middle left hand page.
Patent History
Patent number: D302277
Type: Grant
Filed: Oct 11, 1985
Date of Patent: Jul 18, 1989
Inventor: Maurice E. Bishop (Center Ossipee, NH)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Ruth Takemoto
Application Number: 6/786,630
Classifications
Current U.S. Class: Tool Or Work Holder (D15/140)