B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
81/29
B23B 45/04 (2006.01) B23B 31/107 (2006.01) B25B 21/02 (2006.01) B25B 23/00 (2006.01) B25F 3/00 (2006.01)
Patent
CA 1106210
BIT RETAINER FOR SCREWDRIVER ABSTRACT OF THE DISCLOSURE 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.
330812
Cooper Industries Inc.
Gowling Lafleur Henderson Llp
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