Spindle device

专利名称：Spindle device

发明人：Katsuji Taniguchi,Shigeru Yamada申请号：US08/5727申请日：19951102公开号：US05660510A公开日：19970826

摘要：A spindle device in which a coolant passage 26, capable of being selectivelyconnected to a main passage 17, is provided at downstream of the main passage 17, anair passage 32, capable of being selectively connected to the main passage 17, is providedexternally of the coolant passage 26, a first open-close means 20 is provided betweenthe main passage 17 and the coolant passage 26, and a second open-close means 30 isprovided between the main passage 17 and the air passage 32, whereby when the tool isclamped, the first open-close means 20 is opened to connect the main passage 17 withthe coolant passage 26 and the second open-close means 30 is closed to cut-off theconnection between the main passage 17 and the air passage 32 whereas when the tool isunclamped, the first open-close means 20 is closed to intercept the connection betweenthe main passage 17 and the coolant passage 26 and the second open-close means 30 isopened to connect the main passage 17 with the air passage 32.

申请人：KITAMURA MACHINERY CO., LTD.

代理人：Ronald P. Kananen

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