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:
Dec. 09, 2008
Filed:
Dec. 29, 2003
Hiroshi Kobayashi, Kani, JP;
Hiroshi Kobayashi, Kani, JP;
Murata Kikai Kabushiki Kaisha, Kyoto, JP;
Abstract
The present invention provides a punch press which enables cartridges to be easily replaced so that the replacement of the cartridges allows the use of a large number of tools, which enables tools in the cartridges to be quickly indexed, and which allows the accuracy of punching to be easily improved. Cartridgesare used which hold tools, respectively. Cartridge holdersare provided which hold the cartridges, respectively, that are supported by a punch frameand located at a press position P. A ramis provided above the cartridge means holders. The cartridge holdershave cartridge clamps, respectively, removably holding the corresponding cartridges. The cartridge holdershave cartridge rotating mechanisms, respectively, that rotate the held cartridgesin order to index any of the tools. The cartridge holdersfix the cartridgesduring punching so that the cartridges cannot be moved in a vertical direction.