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:
Aug. 25, 2015
Filed:
Feb. 21, 2011
Takemi Matsumoto, Tokyo, JP;
Yoshinori Saigusa, Tokyo, JP;
Hisashi Hara, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A work tank of an electric discharge machining device can manually move up and down, open and close, and lock and unlock a door without using any mechanical components. The work tank includes: a box-shaped tank body having an open front surface and an openable and closable door; a pair of handle bars that are placed right and left of the tank body; a handle that is installed between front end parts of the pair of handle bars; a pair of door stays that are placed at right and left of the tank body; a guide rail that moves up and down the door stay hung from the handle bar; a load receiving unit that supports a load of the door stay; and a stopper that restricts downward rotation and a frontward movement of the handle bar at a predetermined rotation position.