Die holddown clamp

Description

FIG. 1 is a left side perspective view of a die holddown clamp showing my new design, the broken line showing of a workpiece and bolt being for illustrative purposes only.

FIG. 2 is a right side perspective view wherein the adjustable swivel bracket has been moved to an alternate position;

FIG. 3 is a left side elevational view wherein the adjustable swivel bracket has been moved to an alternate position;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front elevational view thereof; and

FIG. 8 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
893754 July 1908 Russell
1346504 July 1920 Mathison
1995206 March 1935 Geissbuhler
2365079 December 1944 Huber
2619010 November 1952 Mathison
2672790 March 1954 Carroll
3210069 October 1965 Holtz
3227438 January 1966 Sequin
3436072 April 1969 Svenson
4120490 October 17, 1978 Carossiso
4432538 February 21, 1984 Sequin
4470586 September 11, 1984 Spencer
Other references
  • Insta-Clamp Co., .COPYRGT.1956. Carr Lane Mfg. Co., "Forged Adjustable Clamps", p. 65. Popular Science, Nov. 1988, p. 112, "What's New TOOLS", See saw Clamp.
Patent History
Patent number: D322259
Type: Grant
Filed: Feb 8, 1989
Date of Patent: Dec 10, 1991
Inventor: Albert C. Quandt (Grand Island, NE)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Jeffrey Asch
Law Firm: Henderson & Sturm
Application Number: 7/307,398
Classifications