Tools – Wrench – screwdriver – or driver therefor – Rigid jaws
Patent
1976-01-13
1976-12-14
Smith, Al Lawrence
Tools
Wrench, screwdriver, or driver therefor
Rigid jaws
B25B 1306
Patent
active
039968197
ABSTRACT:
A socket wrench attachment comprising a body, rotation means arranged at one end of the body for turning and rotating the body, a conical opening at the opposite end of the body, and a plurality of separate angularly rectilinear raised teeth circumferentially spaced on the interior surface of the conical opening, the raised teeth having a side tilted upward at a slight angle in the direction of rotation of the body and being spaced apart by an arc equal to about one-half that of each tooth.
REFERENCES:
patent: 906040 (1908-12-01), Lucas
patent: 1590200 (1926-06-01), McGuckin
patent: 3161090 (1964-12-01), McLellan
Mallare Vincent A.
Smith Al Lawrence
Smith James G.
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