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. 28, 2000
Filed:
Mar. 03, 1999
Toshirou Kawano, Kanagawa, JP;
Amada Metrecs Company, Limited, Kanagawa, JP;
Abstract
An upper tool holding apparatus includes: an upper tool support portion provided under a holder main body to support an upper tool; an upper tool clamp which is supported in a swingable way with a fulcrum near the approximately central portion in the vertical direction of the holder main body; a pressing member provided at a lower portion of the upper tool clamp to press the upper tool to the upper tool support portion; an engaging member provided at the lower portion of the upper tool clamp; and a clamping force giving means pressing the upper portion side of the upper tool clamp so that the upper tool clamp can clamp the upper tool with the upper tool support portion. In the construction, the engaging member is provided by being divided into a plurality of pieces as engaging split fragments. Furthermore, the respective divided engaging split fragments are respectively provided by being urged in the direction of the upper tool support portion.