Replaceable bit screwdriver assembly

Details Replaceable bit screwdriver assembly Replaceable bit screwdriver assembly

1996-06-25

1999-07-06

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

81 5737, 8117775, B25B 2300

Patent

active

059185120

ABSTRACT:
An improved screwdriver in which a replacement 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: 1080560 (1913-12-01), Johanson
patent: 1502528 (1924-07-01), Reulbach
patent: 2527517 (1950-10-01), Barker et al.
patent: 2550635 (1951-04-01), Brown et al.
patent: 3935762 (1976-02-01), Tudisco

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