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:
Feb. 21, 1995
Filed:
Sep. 16, 1993
Jinn-Fa Wu, Hsinchu, TW;
Chyi-Liou Lin, Hsinchu, TW;
Dong-Jou Shien, Hsinchu, TW;
Chun-Hung Huang, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
An improvement of spindle for vertical-horizontal machine tools, comprising a built-in motor type spindle, a rotating shaft, a drive device, and a locating-device, wherein the spindle is mounted on the machine tools by means of the rotating shaft; the rotating shaft maintains a 45.degree. incline toward the horizontal and vertical datum lines of the machine tools and is rotably driven by drive device to lead the spindle to change into vertical or horizontal manner; the locating device is provided for ensuring the spindle in accurate position. The characteristics of the invention are that the spindle mandrel is directly driven by a built-in motor within the spindle head; and the rotating shaft is defined to contain a hollow manner therein for the spindle pipelines and power cables to pass through its center.