Spindle unit for machine tools
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United States of America Patent
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Jul 21, 1998
Grant Date -
N/A
app pub date -
Dec 20, 1996
filing date -
Dec 22, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A spindle unit for machine tools, with a working spindle that is provided to accommodate a tool and is mounted so it can rotate in a housing and is driven by a motor, and with a chucking unit with an operating device and an internal coolant supply to the tool. A short and compact spindle unit is created according to this invention by the fact that the internal coolant supply is integrated into the chucking unit and has a rotary transmission lead-through mounted inside the operating device to convey the coolant from a stationary supply line into the chucking unit.
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