B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 15/00 (2006.01) B25B 23/00 (2006.01) B25B 23/12 (2006.01) B25G 1/12 (2006.01)
Patent
CA 2178169
An insulating hand tool has an elongated composite shank, to the working end of which is fixed a bit holder defining a polygonal socket in which is press-fitted a bit having a press-fit projection. In one embodiment the working end of the shank is hollow and receives the bit holder therein and in another embodiment the working end of the shank has a reduced diameter which is received in an axial bore in the bit holder, the combination being encased in a composite sleeve. The bit holder bore may be a through bore or may stop short of the socket. The handle end of the shank may have a reduced diameter. In another embodiment an elongated bit holder is fixed to the working end of the shank and projects axially therefrom, the combination being encompassed in a composite sleeve. The bit holder has an axial bore in its distal end, the inner end of the bore receiving a permanent magnet and a keeper, and the outer end being enlarged to define a polygonal socket to mateably receive a bit which is magnetically retained in the socket. The bit holder is crimped against the magnet to hold the magnet in place.
Devecchis Marco E.
Iwinski Dean J.
Smart & Biggar
Snap-On Technologies Inc.
LandOfFree
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