Tools – Wrench – screwdriver – or driver therefor – Flexible
Patent
1986-01-16
1987-03-03
Schmidt, Frederick R.
Tools
Wrench, screwdriver, or driver therefor
Flexible
81 343, B25B 1352
Patent
active
046465936
ABSTRACT:
This invention provides an improved and simplified tool for rotating a cylindrical object as conventionally accomplished by a pair of pliers or a pipe wrench, but protecting the circumference of the object from damage. A standard length of rod having a polygonal cross section the sides of which intersect at sharply defined fulcrum points, generally square or hexagonal, from a conventional socket wrench set will make it perform the additional function as a multipurpose tool simply by extending an axial slit inwardly from one end to receive thereinto a flexible strap forming a loop about the cylindrical object. The polygonal shape provides fulcrum corners gripping the strap as it is wrapped about the rod to tightly grip and rotate the cylindrical object and thus prevent circumferential slip which together with elasticity in the strap significantly reduces the leverage necessary to rotate the cylindrical objects with small diameter rods.
REFERENCES:
patent: 3678788 (1972-07-01), Matti
patent: 3837244 (1974-09-01), Schera
patent: 3962936 (1976-06-01), Lewis
patent: 4221140 (1980-09-01), Bracey et al.
patent: 4506568 (1985-03-01), Aamodt
Brown Laurence R.
Plastic Oddities Inc.
Schmidt Frederick R.
Vaught Bradley I.
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