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. 29, 2008
Filed:
Sep. 25, 2006
Minoru Hazeyama, Aichi pref., JP;
Takeshi Yasuda, Aichi pref., JP;
Minoru Hazeyama, Aichi pref., JP;
Takeshi Yasuda, Aichi pref., JP;
Yamazaki Mazak Corporation, Aichi pref, JP;
Abstract
The invention provides a tool magazine device for a vertical machining center having a protective cover for a shank. A tool magazine devicedisposed in a vertical machining center comprises a chainmoved between sprocket wheelsand, and the chainis equipped with tool holders. Each tool holderhas a tool holder memberfor holding the shank portion of the tooland a shank podfor covering the shank portion. The automatic tool change preparation devicelifts the shank podby gripping a knobof a shaftconnected to the shank pod, so as to enable an automatic tool change arm to change the tool