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. 20, 1998
Filed:
Apr. 11, 1996
Masaho Hirota, Tokyo, JP;
Kato Spring Works Co., Ltd, Tokyo, JP;
K & T Corporation, Ohmiya, JP;
Abstract
The present invention relates to a hole making device which comprises a hole maintenance member having a rod portion, a needle member having a sharp tip and a recess for accommodating the rod portion of the hole maintenance member, a piercing mechanism for sticking the needle member accommodating the rod portion of the hole maintenance member through an object in which a hole is to be made, an extraction mechanism for receiving the needle member penetrating the object, and extracting the needle member through the object toward a direction to which the sharp tip of the needle member points so as to leave the hole maintenance member in the object, and an interlock mechanism for interlocking the piercing mechanism and the extraction mechanism.