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:
Sep. 06, 1983
Filed:
Jul. 17, 1981
Toshie Tanaka, Machida, JP;
Nifco Inc., Tokyo, JP;
Abstract
Disclosed is a blind rivet comprising a shank provided with a series of engaging teeth and a lower end having an increased diameter and a rivet body disposed around the shank and provided with a series of lock steps formed so as to correspond to the series of engaging teeth on the shank, a head portion to close one edge of the fitting hole of a panel subjected to rivetting and a lower end substantially joined to the lower end of the shank, whereby desired firm rivetting of the panel is accomplished by inserting the rivet body accommodating the shank into the hole of the panel and moving upwardly the shank for thereby causing the enclosing wall portion of the rivet body to be eventually bent inwardly and doubled up to expand radially the rivet body.