Patent ID: 7226256

Claim:
A machine tool comprising: a base including a support disposed thereon, a spindle rotatably attached to said support for supporting a tool member thereon, and including a pathway formed therein, and including a port formed therein and communicating with said pathway thereof, and fluid supplying means for supplying fluid into said pathway via said port of said spindle, for cooling purposes,said fluid supplying means including a housing secured to said support, and having a bore formed therein for rotatably receiving said spindle, and having a conduit formed therein for selectively aligning with said port of said spindle, and for allowing the fluid from said fluid supplying means to selectively flow into said port of said spindle, and said fluid supplying means including a casing secured to said housing and having a channel and a space formed therein, and said channel of said casing being communicating with said conduit of said housing, and a membrane being secured between said housing and said casing and disposed between said bore of said housing and said space of said casing for pumping the fluid from said space to said channel of said casing.