Gear cutting – milling – or planing – Milling – With means to control temperature or lubricate
Reexamination Certificate
2005-08-02
2005-08-02
Cadugan, Erica (Department: 3722)
Gear cutting, milling, or planing
Milling
With means to control temperature or lubricate
C408S059000
Reexamination Certificate
active
06923604
ABSTRACT:
A spindle device of a machine tool capable of preventing coolant mist from being excessively liquefied in an area between a mist outlet member23and near the rear end part of a tool29, wherein a straight feed pipe14formed of a double tube having an inside tube14aand an outside tube14bis inserted into an inside hole formed at the center part of a spindle2in non-rotating state not coming into contact with the spindle, coolant is fed to the inside tube14a, compressed air is fed to the outside tube14b, and a mist generating member16is formed of both tubes near the inside tip part of the spindle, a mist outlet member23is installed into the outside tube14bintegrally with each on the mist outlet passage c of the mist generating member16so as to surround the mist outlet passage and a mist guiding extension member24allowed to reach near the rear end part of the tool in the center hole of the tool holder is installed, integrally with the spindle, on the other tool holder8side, and the mist guiding passage f of the mist guiding extension member24is allowed to communicate with the mist outlet passage c of the mist outlet member23through both a rotary joint25and a pressing tube member27.
REFERENCES:
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patent: 2687110 (1997-03-01), None
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patent: 2001-18148 (2001-01-01), None
Makiyama Tadashi
Sugata Shinsuke
Horkos Corp.
Merek & Blackmon & Voorhees, LLC
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