Screw driver

Details Screw driver Screw driver

1986-11-25

1988-08-09

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

811774, B25F 100

Patent

active

047620366

ABSTRACT:
A multi-bit screw driver is disclosed. It is ccomprised of a main body forming a handle at one end and a bit retaining heat at the other and having a plurality of bit storage locations radially positioned around said head. A bit is provided for each storage location and a centrally located bit insert in the body is used to receive the inner end of a selected bit. Means, mechanically linked with each bit is used for sliding the bit from the storage location to the central bit insert.

REFERENCES:
patent: 1497363 (1924-06-01), Doppel
patent: 1705205 (1929-03-01), Roams
patent: 4372362 (1983-02-01), Ahn

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