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:
May. 26, 2015
Filed:
Dec. 14, 2010
Satoshi Miyamoto, Nabari, JP;
Satohiro Izumi, Iga, JP;
Shinji Yonemitsu, Iga, JP;
DMG MORI SEIKI CO., LTD., Yamatokoriyama-Shi, Nara, JP;
Abstract
The present invention provides a machine tool making it possible that an operator needs to remove a key member from a predetermined position after an unlock condition of a door is established when a door lock mechanism brings the door into an unlocked state, meanwhile the operator can recognize the necessity of reattaching the key member to the predetermined position when the door lock mechanism brings the door into a locked state. In the machine tool, an interlock mechanismallows a door lock mechanismto bring a doorinto the unlocked state in a state that the unlock condition of the dooris established and when the key memberis removed from the predetermined position and, after the dooris unlocked, allows the door lock mechanismto bring the doorinto the locked state only when the key memberis attached to the predetermined position in a state that the door closed state detection mechanismdetects that the door is located at the predetermined closed position.