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:
Jan. 09, 2001
Filed:
Sep. 09, 1999
Takashi Sato, Kashiwazaki, JP;
Kato Spring Works Co., Ltd., Tokyo, JP;
Abstract
The thread insert of the present invention comprises a helical body having a front end portion (,) and a back end portion (,), and a detachable tongue (,) connected to the front end portion (,) of the helical body, and a pair of engaging notches (,) are formed in the back end portion (,). A female thread (,) is formed on an inner surface of the helical body, a male thread (,) is formed on an outer surface of the helical body. The detachable tongue (,) has a circular portion (,) having an outer diameter which is smaller than that of the helical body. A cutting notch (,) is formed between the front end portion (,) and the circular portion (,) on at least one of a surface facing backward and a inner surface of the helical body.