Fujitsu Fanuc Limited

Mitsuo Saito

Hideo Katsube

Kenichi Toyoda

Shigeaki Oyama

Tokiji Shimajiri

Hiromichi Shichida

Koichi Matsuura

There is disclosed a machine tool, of the type having a tool magazine for receiving tools therein, and wherein a spindle head is moved in the direction of the axis of a spindle relative to the tool magazine such that one of the tools in the tool magazine is engaged with or disengaged from the spindle. A draw bar for firmly attaching a tool to the spindle is positioned inside of the spindle. The operation of the draw bar is actuated by the movement of the spindle head relative to the tool magazine.

Machine tool having drawbar mechanism

A drilling machine with an automatic tool changer (A.T.C.) comprising a driving motor for a spindle head and a tool magazine rotatably supported by the spindle head and provided with a plurality of tool arbors for holding tools, one of the tools being interchanged with another of the tools by intermittent rotation of the tool magazine, and wherein the tool arbors are supported for swinging movement between a protrusion position and a retraction position so as not to obstruct the machining operation.

Drilling machine with automatic tool changer

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Tokyo, Japan

Mitsuo Saito