Patent ID: 6171042
Filing Date: 2001-01-09
Classification: B21H,F16B,Y10T

Abstract:
A pin, for axial, non-rotational penetration into a steel, concrete, or masonry substrate so as to secure a workpiece to the steel, concrete, or masonry substrate when said pin is driven into the steel, concrete, or masonry substrate by a fastener-driving tool, comprising:a tapered shank defining a predetermined conical angle and having a smaller end and a larger end;a head joined to said larger end of said tapered shank and having an outer diameter dimension;a point joined unitarily to said smaller end of said tapered shank and conforming substantially to an ogive; anda transition zone having a tapered portion defining a predetermined conical angle and interposed between said tapered shank and said head such that said transition zone has a smaller end joined unitarily to said larger end of said tapered shank and a larger end joined unitarily to said head, wherein said outer diameter dimension of said head is approximately 2.36 times greater than said larger end of said tapered portion of said transition zone.