Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Patent
1983-08-19
1985-07-02
Schmidt, Frederick R.
Tools
Wrench, screwdriver, or driver therefor
Having work engaging and force exerting portion inserted...
81452, B25B 1500
Patent
active
045260729
ABSTRACT:
A screw driving apparatus including a cylindrical tube having a plurality of radial bristles attached to the inner cylinder wall for receiving a driver and a screw to assist in driving the screw and to assist in removing a screw which has been driven.
REFERENCES:
patent: 3245446 (1966-04-01), Morifuji
patent: 4038715 (1977-08-01), Litt
Schmidt Frederick R.
Zatarga J. T.
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