Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Patent
1982-09-30
1988-10-11
Schmidt, Frederick R.
Tools
Wrench, screwdriver, or driver therefor
Having work engaging and force exerting portion inserted...
81438, B25B 2300
Patent
active
047762462
ABSTRACT:
A hand-held combination screwdriver having a plastic handle that receives a reversible round steel driver with a flat blade screwdriver at one end and Phillips driver blades at its other end. An elongated channel or slot with side recesses is formed in the handle and receives both ends of the driver, and the side recesses are shaped to engage and lock the flat blade end of the driver without additional parts. A "U" shaped locking key at the bottom of the channel holds and locks the Phillips end of the driver and also defines a stop for the flat blade end.
REFERENCES:
patent: 772593 (1904-10-01), Wagner
patent: 1448895 (1923-03-01), Yotta
patent: 1965917 (1934-07-01), Anderholm
patent: 2641478 (1953-06-01), Sigg
Schmidt Frederick R.
Vaught Bradley I.
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