Drive socket

Details Drive socket Drive socket

1993-05-10

1994-11-08

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Jaw faces

811246, B25B 1306

Patent

active

053616570

ABSTRACT:
A drive socket for imparting torque loads to a fastener element includes a body with a cavity opening to a distal end for receiving the fastener element. The cavity has protuberances projecting inwardly toward the central axis from the cavity surface to engage the fastener element. The protuberances have a frusto-pyramidal shape and are uniformly spaced circumferentially around and longitudinally along the cavity surface. The protuberances thus form a cross-hatched or knurled pattern. The cavity is tapered to further assist in fastener engagement. The protuberances firmly engage the fastener element at longitudinally intermittent points to apply torque loads and facilitate rotary displacement.

REFERENCES:
patent: 1321776 (1919-11-01), Stepanian
patent: 1590200 (1926-06-01), McGuckin
patent: 2374192 (1945-04-01), Godfrey
patent: 2517366 (1950-08-01), Wilson
patent: 2609720 (1952-09-01), Barnard
patent: 3247742 (1966-04-01), Woodbury
patent: 3466956 (1969-09-01), Bowers
patent: 3495485 (1970-02-01), Knudsen et al.
patent: 3675516 (1972-07-01), Knudsen et al.
patent: 4126063 (1978-11-01), Palmer

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