Lubrication – Systems – Gearing
Reexamination Certificate
2011-03-15
2011-03-15
Mansen, Michael R (Department: 3654)
Lubrication
Systems
Gearing
C074S640000, C074S467000, C175S101000
Reexamination Certificate
active
07905326
ABSTRACT:
A wave reduction gear (5) is disposed inside a device case (2) of a rotating table device (1). Lubrication oil is sprayed from an oil supply channel (22), which is formed in the device case (2), toward an oil supply hole (22) formed in a cup-shaped flexible externally toothed gear (12). A wave bearing (19) disposed in the interior is lubricated via the oil supply hole (21). Lubricating oil that has entered into the flexible externally toothed gear (12) is forcibly suctioned to the exterior via an oil recovery channel (23) that is formed in the device case (2). Accordingly, it will be possible to prevent oil from being suctioned due to the negative pressure state in the interior of the flexible externally toothed gear accompanying the high-speed rotation, and regions of the wave bearing (19) can be reliably lubricated.
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Hanaoka Hiroki
Kiyosawa Yoshihide
Yamazaki Hiroshi
Flynn ,Thiel, Boutell & Tanis, P.C.
Harmonic Drive Systems Inc.
Mansen Michael R
Reese Robert T
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