Chisel clamp for use in straightening automobile bodies

Details Chisel clamp for use in straightening automobile bodies Chisel clamp for use in straightening automobile bodies

1976-05-27

1978-08-15

Lanham, C.W.

Metal deforming

By or with work-constrainer and/or manipulated work-forcer

72705, B21D 112

Patent

active

041063252

ABSTRACT:
A chisel clamp used to provide a pulling point or anchor point when straightening automobile bodies comprises a pair of jaws each having a blade edge at one end and a serrated surface extending inboard the blade edge. The jaws are clamped to a structural member, such as the sheet metal floor of the automobile trunk space, by (1) hammering the blade edges of the jaws into the automobile body to sandwich the trunk floor between the serrated surfaces of the jaws; (2) aligning portions of the jaws which remain outside the automobile body to provide a corresponding alignment of threaded holes in the serrated portions of the jaws which are not mutually visible to the repairman because of their location on opposite sides of the trunk floor, and (3) tightening threaded fasteners engaged with the threaded holes to clamp the serrated surfaces of the jaws against the trunk floor. A chain rigidly affixed to the outside portion of the jaws provides an anchor point or pulling point for use in applying force to an automobile body member via the clamp's attachment to the trunk floor.

REFERENCES:
patent: 1516489 (1924-11-01), Barton
patent: 1659576 (1928-02-01), Brady et al.
patent: 2608730 (1952-09-01), Killius
patent: 3338086 (1967-08-01), Hunter
patent: 3610022 (1971-10-01), Lincourt
patent: 3992921 (1976-11-01), Jarman

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