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. 03, 2001
Filed:
Jun. 19, 2000
Kashichi Hirota, Hachioji, JP;
Kyowa Electric and Chemical Co., Ltd., Tokyo, JP;
Abstract
A spike structure consists of a spike body made of a plastic material, and a self-tapping screw,made of a metal. The spike body,is comprised of a flange-shaped portion,and a threaded stud which has a thread on the outer surface thereof and extends from one surface of said flange-shaped portion,. An axial bore is formed through the flange-shaped portion,and the threaded stud,, while slits are formed in said threaded stud,, extending to the free end of said threaded stud. A self-tapping screw,is inserted with tapping into the axial bore to be fixed to said spike body. Said self-tapping screw,is configurated to stretch said threaded stud radially outwardly when inserted into the axial bore of spike body.