Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Patent
1989-10-25
1991-07-09
Schmidt, Frederick R.
Tools
Wrench, screwdriver, or driver therefor
Having work engaging and force exerting portion inserted...
81452, B25B 2308
Patent
active
050294989
ABSTRACT:
A cylindrical internally contoured sleeve-shaped attachment for a screwdriver designed to prevent the screwdriver from slipping out of a slotted head screw and thereby inflicting injury to the fingers or work piece. A cushioned end prevents any marring of the work piece. This attachment is preferably molded of clear plastic material and has no direct mechanical connection to the screwdriver.
REFERENCES:
patent: 657457 (1919-09-01), Schneider
patent: 768441 (1904-08-01), Fisher
patent: 2723694 (1955-11-01), Ross
Cruz Lawrence
Johnson Merrill N.
Schmidt Frederick R.
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