Invention Application
- Patent Title: ANCHORING DRILL BIT, SYSTEM AND METHOD OF ANCHORING
- Patent Title (中): 锚固钻头,系统和锚固方法
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Application No.: US11775704Application Date: 2007-07-10
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Publication No.: US20080014048A1Publication Date: 2008-01-17
- Inventor: DONALD NADLER
- Applicant: DONALD NADLER
- Main IPC: F16B25/10
- IPC: F16B25/10

Abstract:
A system, apparatuses and methods for anchoring are provided. The system includes two-stage drill bit and a method of anchoring into a two-stage hole drilled by the drill bit. The apparatus of the instant invention includes a two-stage drill bit for drilling a pilot hole for a common nail into a material such as concrete, stone, masonry or cementuous or other materials. The method of the instant invention includes the steps of drilling a first hole within a material to which an object is to be anchored, drilling a second hole concentric with the first hole, and placing an anchor within the holes.
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