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:
Nov. 07, 2000
Filed:
Oct. 05, 1998
Shigeru Endo, Kanagawa, JP;
Amada Metrecs Company, Limited, Kanagawa, JP;
Abstract
A punching tool includes: a punch driver transmitting an impact force to a punch body and having a screw portion on an outer peripheral surface of an upper portion; a punch head having a screw portion meshed with the screw portion of the punch driver on an inside surface and having a main scale provided in a vertical direction on an outside surface; a punch head rotation preventing means freely selecting a rotation and a fixation of the punch head with respect to the punch driver; and a punch head collar freely rotating and fixing with respect to the punch driver and provided with a sub scale showing a change of a height of the punch head in cooperation with the main scale.