Compound leverage gripping tool with constantly parallel jaws

Details Compound leverage gripping tool with constantly parallel jaws Compound leverage gripping tool with constantly parallel jaws

1990-06-27

1993-01-05

Kisliuk, Bruce M.

Tools

Tool jaw

Jaw-actuating means

81358, B25B 712

Patent

active

051760495

ABSTRACT:
This invention relates to hand tools in general, and more particularly to a gripping plier or wrench having compound leverage gripping power not found in the tools most commonly sold and used today. This tool further has constantly parallel jaws at any adjustment position within its capacity. When constructed as a plier, it grips the workpiece with better than a 10:1 leverage ratio which makes it practically impossible to slip without the operator releasing its grip. When constructed as a wrench for turning nuts, bolts, and fittings, its gripping power holds the workpiece so tightly that there is no possibility of rounding off the corners or otherwise damaging it during the turning operation. Additionally, if a hexagonal object has been previously damaged and has rounded off corners, the wrench version of this tool, in any of its configurations, can effectively grip and turn such an object, a feat that the most commonly used open-end, box-end, or adjustable wrenches cannot perform to any satisfactory degree.

REFERENCES:
patent: 1542123 (1925-06-01), Eifel
patent: 3283624 (1966-11-01), Neff

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