Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Patent
1995-05-23
1997-03-04
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Having work engaging and force exerting portion inserted...
8117615, 411405, 411919, B25B 1500
Patent
active
056068980
ABSTRACT:
The angularly accessible head for a threaded connector comprises a spherical structure having a centered slot therein, the slot having a bottom surface or wall in the shape of an inverted V, with a point thereof extending toward the center of the sphere. The cooperating tool includes a hollow cylindrical head portion having an open end, the open end being defined by opposed plateau areas in one plane and opposed cusp areas in a transverse plane, with a rod extending across the open end between the plateau areas.
REFERENCES:
patent: 172351 (1876-01-01), Sloan
patent: 1997422 (1935-04-01), Lornzen et al.
patent: 2750974 (1956-06-01), Hart
patent: 3236141 (1966-02-01), Smith
patent: 3405748 (1968-10-01), Sorteberg
patent: 3675694 (1972-07-01), Barlow
patent: 4584914 (1986-04-01), Hall et al.
Franciskovich Mark
Masnjak Steve A.
McManus Kajane
Smith James G.
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