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:
Sep. 17, 2013
Filed:
Jul. 23, 2008
Keisuke Shimada, Tokyo, JP;
Osamu Asano, Tokyo, JP;
Toshiaki Hidaka, Tokyo, JP;
Nitto Kohki Co., Ltd., Tokyo, JP;
Abstract
A drilling device having an oil supply tank disposed at a position where the oil supply tank is less likely to collide with surrounding objects. This device includes a fixing member () fixed to a workpiece, a column () extending upward from the fixing member, a tubular slide unit () that is slidable along the column, a tool body () disposed on the tubular slide unit, and an oil supply tank () provided between the tool body and the fixing member and removably fixed to the tubular slide unit. The tool body is provided with a cutting oil supply passage having a cutting oil inlet () disposed toward the fixing member, while the oil supply tank is provided with a cutting oil outlet disposed upward. The tool body is displaced upward on the column and the oil supply tank is moved close to the tool body from the lower side of the tool body, whereby the cutting oil outlet of the oil supply tank is connected to the cutting oil inlet of the tool body.