Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Distally supported on radial arm
Reexamination Certificate
2010-01-21
2011-12-06
Wiehe, Nathaniel (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Distally supported on radial arm
C416S23600R, C416S237000, C416S238000
Reexamination Certificate
active
08070447
ABSTRACT:
A ceiling fan comprising a disc-like stator provided with a fixed shaft at the center, an annular rotor disposed in proximity to the periphery of the stator, a supporting frame fixed to the rotor and rotatably supported by the fixed shaft; a fan blade fixed to the supporting frame; and a retaining member having one end fixed to the supporting frame together with the fan blade and the other end coupled to the fan blade, wherein the fan blade comprises a root portion fixed to the supporting frame, a blade portion coupled with the retaining member, and an offset portion formed by bending between the root portion and the blade portion, thereby preventing the fan blade from being damaged easily even when it is impressed with a load and ensuring the safety even if the fan blade is broken since the blade portion is held coupled to the rotor side.
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International Search Report of PCT Application No. PCT/JP2008/002074 dated Aug. 1, 2008.
Itou Shigeo
Kawazu Tetsuji
Yamamoto Kiminobu
Culpepper Kerry
Odedra Dhiren
Panasonic Corporation
Panasonic Patent Center
Wiehe Nathaniel
LandOfFree
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