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:
Jul. 20, 2021
Filed:
Dec. 09, 2019
Nachi-fujikoshi Corp., Tokyo, JP;
Shunsuke Takami, Toyama, JP;
Yuki Kurita, Toyama, JP;
Abstract
A taphas a threaded portionincluding a cutting bladeon an outer circumferential surface, a flute portionthat divides the threaded portionin a circumferential direction, and a shank portionformed continuously from the threaded portionand the flute portionalong a central axis O. The flute portionincludes, in a cross-sectional view, a first fluteformed continuously from the cutting bladeof the threaded portion, a second fluteformed continuously from the first flute, and a ridge line portionbeing a boundary between the first and second flutes. A distance 'e' from the central axis O to the ridge line portionis longer than a distance dand a distance d, respectively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile