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:
Jan. 12, 1982
Filed:
Mar. 10, 1980
Masaaki Yokoe, Nagoya, JP;
Mituo Kobayashi, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Aichi, JP;
Abstract
A machine tool having an automatic tool changing device wherein a tool magazine storing many tools is rotatably carried by, and movable with, a spindle head, and a desired tool among them can be automatically selected for being set in a spindle. Each tool is respectively held in a proper tool carrying arm swingably supported by the rotary disc which is indexed by an indexing device to be rotated to bring the selected tool to a corresponding position to the spindle. The selected tool is directly set in the spindle, while being held in the tool carrying arm, in accordance with a swing movement of the tool carrying arm from a first position to a second position. The tool carrying arm, which keeps holding the tool in such a manner as to be rotatable with the spindle while machining, can be restored to the first position by a return swing back to the magazine together with the operation finished tool.