B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
77/30
B23B 51/00 (2006.01)
Patent
CA 1038656
A B S T R A C T The improved flat beaded track bit disclosed herein comprises an elongated, generally rectangular member having first and second ends separated by a middle section. First and second drill bodies are formed on the first and second ends, respectively, of the member, with the drill bodes being identical, but mirror images of each other. The lands of the first and second drill bodies terminate adjacent to the middle section of the member, and the diameter of the lands of the drill bodies are larger adjacent to the first and second ends of the member than adjacent to the middle section of the member.
252110
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