B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 15/00 (2006.01)
Patent
CA 2599549
A screwdriver bit has a shank with a polygonal portion and two ends. A tip projects from each of the ends. The tip has a length substantially equal to a depth of a slot of a desired fastener head. The shaft ends nest on the fastener head upon insertion of the tip into the fastener head slot.
Black & Decker Inc.
Blake Cassels & Graydon Llp
LandOfFree
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