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.
Patent No.:
Date of Patent:
Oct. 17, 2017
Filed:
Apr. 28, 2011
Applicants:
Shingo Torii, Kyoto, JP;
Masanori Yokota, Kyoto, JP;
Masanori Abe, Kyoto, JP;
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 25/06 (2006.01); F16B 25/00 (2006.01);
U.S. Cl.
CPC ...
F16B 25/0057 (2013.01); F16B 25/0015 (2013.01); F16B 25/0021 (2013.01); F16B 25/0047 (2013.01); F16B 25/0073 (2013.01);
Abstract
A self-tapping including a normal thread () and a female screw molding thread () having a larger diameter than that of the normal thread (), out of pitches of the normal thread () positioned in a head portion side from the female screw molding thread (), any one pitch is set to be larger than other pitches. The self-tapping not only reduces driving torques but also improves fastening force, and thus can be applied to various workpieces made of the soft material as well as a hard material.