The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 31, 2021

Filed:

Oct. 23, 2018
Applicant:

The Hillman Group, Inc., Cincinnati, OH (US);

Inventors:

Farhad Lajewardi, Toronto, CA;

Michael K. Falkenstein, Toronto, CA;

Beesham Mahadeo, Ontario, CA;

Assignee:

THE HILLMAN GROUP, INC., Cincinnati, OH (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16B 25/00 (2006.01); F16B 35/06 (2006.01); F16B 35/04 (2006.01);
U.S. Cl.
CPC ...
F16B 25/0052 (2013.01); F16B 25/0015 (2013.01); F16B 25/0068 (2013.01); F16B 35/065 (2013.01); F16B 25/0084 (2013.01); F16B 35/048 (2013.01);
Abstract

A screw includes: a head end, a shank and a tapered end, the head end including a tool engaging part, the head end located at one end of the shank and the tapered end located at an opposite end of the shank, wherein a thread is formed along the shank, the thread begins on the tapered end, extends onto the shank and terminates at a set location short of the head end, the thread being a right-hand thread and having a peripheral edge, at least a first helical portion of the peripheral edge includes a plurality of notches and a second helical portion of the thread lacks any notches, wherein the first helical portion is closer to the tapered end than the second helical portion, wherein the head includes an underside formed by a frustoconical part with a plurality of nibs. The head may also include an outer ledge.


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