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:
Mar. 10, 2015
Filed:
Mar. 26, 2010
Minoru Kitayama, Aichi-pref., JP;
Naoya Tanaka, Toki, JP;
Eiji Takeuchi, Aichi-pref., JP;
Toraharu Ryuta, Aichi-pref., JP;
Hyunkoo Park, Nagoya, JP;
Minoru Kitayama, Aichi-pref., JP;
Naoya Tanaka, Toki, JP;
Eiji Takeuchi, Aichi-pref., JP;
Toraharu Ryuta, Aichi-pref., JP;
Hyunkoo Park, Nagoya, JP;
Yamazaki Mazak Corporation, Aichi pref., JP;
Abstract
The invention provides a vertical turret lathe capable of preventing an inner diameter turning tool attached to a turret tool rest from interfering with a workpiece during machining of the outer diameter of the workpiece. The vertical turret lathe comprises a work table that holds a workpiece Wand rotates, and a working headhaving a turret tool restand capable of moving in X-axis and Z-axis directions. A tool holderfor holding an inner diameter turning tool Tvia hydraulic pressure is attached to a part of the tool supporting portionsof the turret tool rest. The automatic tool changer apparatusincludes a turret-type tool magazineand pistonsand, which mechanically press the pinsandof the tool holderand clamp or unclamp the tool T.