06/30/2016 | 09:10pm EDT
By a News Reporter-Staff News Editor at Politics & Government Week — From Washington, D.C., VerticalNews journalists report that a patent application by the inventors MORI, Shigeto (Hadano-shi, Kanagawa, JP); NAKANO, Hiroshi (Hadano-shi, Kanagawa, JP); OKAMURA, Yosuke (Hadano-shi, Kanagawa, JP); HOSHINO, Seiya (Hadano-shi, Kanagawa, JP), filed on July 8, 2014, was made available online on June 23, 2016.No assignee for this patent application has been made.
News editors obtained the following quote from the background information supplied by the inventors: “As such a kind of conventional threaded fastener, there has been known a full thread bolt as described in a first patent literature, for example. The full thread bolt described in this first patent literature has a screw thread formed on a screw shaft or shank with a length extending up to near a bearing surface of a head, and in addition, also has a ‘connecting insertion portion’ of the same diameter as that of a thread root formed between the head bearing surface and a thread terminal end of an incomplete thread portion.
“The ‘connecting insertion portion’ in this first patent literature means an unthreaded neck portion in the vicinity of the head bearing surface, wherein it is constructed such that the root diameter of the incomplete thread portion and the diameter of the neck portion are the same as the thread root diameter so as to keep a screw thread (crest) at the side of an internal screw thread from interfering with the root portion of the incomplete thread portion, so that in cases where the bolt is threadedly engaged with a nut, the head bearing surface of the bolt is placed in intimate contact with a bearing surface of the nut. (…)
via Researchers Submit Patent Application, “Threaded Fastener”, for Approval (USPTO 20160169263).