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. 24, 2009
Filed:
Aug. 30, 2007
Miki Ryuhan, Sakai, JP;
Koji Kashu, Sakai, JP;
Akira Inoue, Sakai, JP;
Shin Nippon Koki Co., Ltd., , JP;
Abstract
A machine tool includes a table, a main spindle unit, a cross rail, a plurality of columns and a plurality of supportive transfer mechanisms. The plurality of columns vertically guide the cross rail, the columns being erected at positions on opposite sides of the table and on front and rear sides of the center of gravity of the main spindle unit on each side of the table. The supportive transfer mechanisms vertically move the cross rail while supporting the cross rail. The cross rail has a pair of supporting portions for supporting front and rear portions of the main spindle unit located frontward and rearward with respect to the center of gravity of the main spindle unit, respectively, and a plurality of through holes through which the columns are passed vertically.