B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 45/14 (2006.01) B23B 41/16 (2006.01) B23B 49/00 (2006.01)
Patent
CA 2521816
An alignment guide for a core bit laterally supports a core bit perpendicular to the wall in which the hole is being drilled. The support thus allows the core bit to start a smooth hole perpendicular to the wall and successfully drill a high quality hole with smooth edges. In one configuration, the invention provides a collapsible alignment guide that is provided to the user in a collapsed configuration. The user erects the guide and uses a connector to hold the guide in an erect configuration wherein the guide may be used to stabilize a core bit. In one configuration, the guide may be formed from a flat blank of material that is folded into a collapsible six sided box with opposed sets of guide openings.
Sim & Mcburney
Snyder National Corporation
LandOfFree
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