Adapter sleeve

Details Adapter sleeve Adapter sleeve

1991-03-04

1991-08-27

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

81125, 279102, B25B 1500, B25B 2300

Patent

active

050423339

ABSTRACT:
An improved adapter sleeve comprises a cylinder-shaped adapter sleeve which has a lower adapter and an upper adapter. The lower adapter has a square recess hole, and the upper adapter has a hexagonal recess hole. The bottom surface of the upper adapter includes a rectangular surface and two symmetrically inclined triangular surfaces. The rectangular surface is disposed between the two inclined triangular surfaces. The angle between the retangular surface and each of the two triangular surfaces is no more than 45.degree. and no less than 5.degree..

REFERENCES:
patent: 4325153 (1982-04-01), Finnegan
patent: 4644831 (1987-02-01), Yang

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