Tool for breaking spot welds

Details Tool for breaking spot welds Tool for breaking spot welds

2007-08-21

2007-08-21

Payer, Hwei-Siu C. (Department: 3724)

Cutlery

Cutting tools

Chisel

C030S169000

Reexamination Certificate

active

11176016

ABSTRACT:
A chisel for breaking spot welds of a vehicle includes an elongate handle section with a grip and a slightly angled chisel section with blade faces on three sides and a rib generally parallel to a blade edge to limit insertion of a blade between vehicle body parts.

REFERENCES:
patent: 912028 (1909-02-01), Prout
patent: 1569164 (1926-01-01), Widmer
patent: 1640175 (1927-08-01), Barnes
patent: 2083123 (1937-06-01), Quick
patent: 2218069 (1940-10-01), Mooney
patent: 2814870 (1957-12-01), Treiber
patent: 2910771 (1959-11-01), Farmer
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patent: 4524514 (1985-06-01), Mallalieu et al.
patent: 6076431 (2000-06-01), Vasudeva
Invention Disclosure Agreement dated Jul. 11, 1996, “Air Chisel Blade for Cutting Spot Welds” Gregory M. Truesdale.
Invention Disclosure Agreement dated Dec. 30, 2002, “Spot Weld Chisel/Door Skin Remover”, Dave Budinsky.
Idea Disclosure Agreement dated Dec. 16, 2004, “Spot Weld Popper”, Ed Hensley.
Eastwood Unique Automotive Tools and Supplies; Panel Separating Knife; Item #31.38; eastwoodco.com; May 13, 2005.
Integrated Supply Network, Inc. catalog, vol. 4, Issue #3, Mar. 2005, “Seam Buster”, Steck Product No. STC20015SB.

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