US Patent: 6,003,411 - Cam-Lobed Salvage Tool


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US Patent: 6,003,411

Cam-Lobed Salvage Tool

Patentees:

Robert L. Knox (exact or similar names) - Shiloh, GA

James R. Wise (exact or similar names) - Columbus, GA

USPTO Classifications:

81/124.3, 81/53.2

Tool Categories:

Assignees:

Snap-On Tools Co. - Kenosha, WI

Manufacturer:

Not known to have been produced

Witnesses:

none listed

Patent Dates:
Applied:	Feb. 02, 1998
Granted:	Dec. 21, 1999

Patent Pictures:

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Snap-On Tools Company History

Description:

Emrich & Dithmar - patent attorneys

Abstract

A salvage tool for removing worn, damaged or seized threaded fasteners includes a socket body having formed therein a fastener-receiving recess with an axis of rotation, the recess having a plurality of substantially flat planar surfaces arranged in a polygonal configuration and substantially parallel to said axis, with each of said flat planar surfaces having projecting laterally inwardly therefrom a fastener-engaging surface with inner and outer ends spaced apart in use substantially axially, each fastener-engaging surface being arcuate in transverse cross-section perpendicular to said axis and sloping away from said axis from said inner end toward said outer end.