Driver bit attachment

Details Driver bit attachment Driver bit attachment

1980-04-21

1981-10-27

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Responsive to movement of work

B25B 2300

Patent

active

042966566

ABSTRACT:
A driver bit attachment for a power tool for preventing over-torquing of the fastener. A driver bit is received in a first bore and a second larger bore of a cylindrical attachment body. A projection permits attachment to a drill or screw gun. The projection has a tapped recess extending axially therein which receives a set screw. The end of the set screw engages the trailing end of the driver bit to position it within the two bores and, thereby, determines the point at which the fastener will disengage itself from drive by pulling itself out of contact with the driver bit.

REFERENCES:
patent: 2235374 (1941-03-01), Kellogg
patent: 3454059 (1969-07-01), Sindelar
patent: 3965510 (1976-06-01), Ernst
patent: 4076443 (1978-02-01), Halpern
patent: 4107800 (1978-08-01), Jorgensen

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