Screwdriver with replaceable bit assembly

Details Screwdriver with replaceable bit assembly Screwdriver with replaceable bit assembly

1994-04-08

1996-07-02

Kisliuk, Bruce M.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

81 5737, B25B 2300

Patent

active

055311431

ABSTRACT:
An improved screwdriver in which a replaceable bit is removably secured to a mandrel by the bit being axially slidable in an axial socket in the end of the mandrel. The bit is movable from a position coaxially aligned with the socket to a position out of alignment therefrom, to assist in the engagement and driving of misaligned screws. A resilient split-ring which serves to retain the bit in the socket is carried by and replaceable with the bit. With each new bit a new split-ring is also provided.

REFERENCES:
patent: 233486 (1880-10-01), Donaldson
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patent: 4535658 (1985-08-01), Molinari
patent: 4586406 (1986-05-01), Howard
patent: 5012708 (1991-05-01), Martindell
patent: 5186085 (1993-02-01), Monacelli
patent: 5337635 (1994-08-01), Habermehl
patent: 5351586 (1994-10-01), Habermehl et al.

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