Ergonomical in-line tool

Tools – Wrench – screwdriver – or driver therefor – Handle or shank

Patent

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Details

16116R, B25B 1300

Patent

active

045234981

ABSTRACT:
An in-line tool (20) is provided with a jacket (50) which includes a flexible substrate material (53) having a plurality of ribs (51--51) adhered thereto. The jacket is such that when it is wrapped about a barrel (41) of the tool, the ribs extend longitudinally along the tool barrel. The substrate material between adjacent ribs may be cut to provide a jacket which is tailored to the barrel of a particular size tool. Strips (55, 56 and 59) of material having relatively flexible hooking and looping elements projecting therefrom are attached to the jacket and to the barrel. When the jacket is wrapped about the barrel, the hooking and looping elements interlock to secure the jacket to the barrel. Tabs (54--54) extend laterally of the barrel from an end of each of a predetermined number of ribs adjacent to a working portion (40) of the tool. A user grasps the tool in a manner to cause the ulnar side (48) of the gripping hand (43) to engage the tabs. This allows the tool to be moved toward a workpiece by forces applied through the ulnar side of the hand.

REFERENCES:
patent: 1690312 (1928-11-01), Rosan
patent: 2274605 (1942-02-01), Hoffmeister
patent: 2717437 (1955-09-01), Mestral
patent: 3072955 (1963-01-01), Mitchell
patent: 3084938 (1963-04-01), Kapanowski
patent: 3739932 (1973-06-01), Westover
patent: 4249689 (1981-02-01), Voytko
patent: 4330093 (1982-05-01), Chapman
"Human Factors Engineering Bulletin"; Clear Vinyl Flanged Grips; May, 1971.

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