| 摘要 |
A coolant feeder in a tool holder assembly which has a rotary shaft for mounting from the spindle of an associated machine tool, the feeder comprising a stationary support member for journaling the rotary shaft, a stationary coolant feeder ring assembly having a hollow interior is disposed adjacent to the stationary support member, the stationary coolant feeder ring assembly being in fluid communication with a radially extending tool holding passage within the rotary shaft, a coolant coupling device having a hollow interior, a coolant pipe for maintaining fluid communication between the hollow interior of the coolant coupling device, the stationary support member, the passage, and the coolant feeder ring assembly.
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