Tool driver and fastener apparatus

Details Tool driver and fastener apparatus Tool driver and fastener apparatus

1984-03-09

1985-09-10

Smith, Gary L.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

411403, 411407, B25B 2310

Patent

active

045398747

ABSTRACT:
A tool driver and fastener that prevents the driver from lifting up off the fastener. The fastener has at least one undercut slot that matches with a blade on the driver to prevent uplift. The driving tool and fastener mate with one another and have respective cross-sectional configurations that can interlock temporarily for allowing a screw or a bolt with a slot or head with a plurality of sides to be driven into or removed from a work place without movement of the driver up off of the fastener. The driver may be a screw driver or wrench with a blade in a plane transversed to the longitudinal axis of rotation of the driver. The fastener may include a main slot in one plane containing the center line of the fastener and a second slot transverse to the first slot and perpendicular to the first slot.

REFERENCES:
patent: 101207 (1870-03-01), Apgar
patent: 258061 (1882-05-01), Haviland
patent: 743329 (1903-11-01), Renn
patent: 954073 (1910-04-01), Bender
patent: 1997422 (1935-04-01), Lorenzen
patent: 2566055 (1951-08-01), Daderko, Sr.
patent: 3604487 (1971-09-01), Gilbert
patent: 4339971 (1982-07-01), Zatorre
patent: 4369678 (1983-01-01), Cooper

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