Bit retainer for screwdriver

Details Bit retainer for screwdriver Bit retainer for screwdriver

1978-10-05

1980-06-24

Bilinsky, Z. R.

Chucks or sockets

Socket type

Radially reciprocating jaws

279 1B, 279 30, B23B 3122

Patent

active

042091829

ABSTRACT:
An axially movable sleeve is retained in a bore in the nose portion of a portable rotary tool housing. The sleeve is disposed around a spindle and holds captive a ball key disposed in the spindle which releasably retains a screw driver bit or the like in the spindle bore or socket. The sleeve is releasably retained in the housing bore by a spring retainer whereby the bit as well as the retainer sleeve may be quickly removed and replaced by axial displacement of the sleeve.

REFERENCES:
patent: 2008894 (1935-07-01), Bergstrom
patent: 2010210 (1935-08-01), Witt

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