Hermaphrodite wrench

Details Hermaphrodite wrench Hermaphrodite wrench

1989-01-23

1989-08-15

Olszewski, Robert P.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

811247, 81437, B25B 1302

Patent

active

048563870

ABSTRACT:
A wrench possessing a body situated at the juncture of two perpendicularly disposed handles each extending along a longitudinal axis lying within a fiducial plane is given. The body possesses a plurality of open cavities, each presenting a hexagonal aperture normal a central axis. Two blind cavities have central axes within the fiducial plane, opening opposite the handle side. One cavity is through the body, with a central axis normal the fiducial plane, has stepped walls and presents two opposed hexagonal apertures. Each aperture is of a different size. Each handle has one free end of hexagonal cross section normal the longitudinal axis of that handle. The two ends are of different size. A plurality of hexagonal engagements, both male and female, each affording full perimeter contact with a workpiece is thus enabled by a single tool.

REFERENCES:
patent: 3276299 (1966-10-01), Halburian
patent: 4291425 (1981-09-01), Sweitzer

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