Title:
CEILING FAN
Document Type and Number:
WIPO Patent Application WO/2013/145656
Kind Code:
A1
Abstract:
A blade (11) of a ceiling fan is integrally formed from a root portion (12), a blade portion (13), and a step portion (14) that maintains the blade portion (13) in a state inclined from a horizontal state. The blade (11) is provided with a bent portion (16), a first reinforcement portion (17) on the upstream side (11c) thereof, and a plurality of second reinforcement portions (18) between the bent portion (16) and the first reinforcement portion (17). A first reinforcement portion length (17a) is longer than a second reinforcement portion length (18a). Further, a blade fall prevention portion (37) that locks the blade (11) to a support portion (10) is provided.
Inventors:
KURAMOCHI HIROYUKI
OGATA HIRONARI
SAKITO DAIKI
OGATA HIRONARI
SAKITO DAIKI
Application Number:
PCT/JP2013/001919
Publication Date:
October 03, 2013
Filing Date:
March 21, 2013
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
F04D29/34; F04D25/08; F04D29/38
Domestic Patent References:
| WO2009019838A1 | 2009-02-12 |
Foreign References:
| JPH10252692A | 1998-09-22 | |||
| JPH0569400U | 1993-09-21 | |||
| JP2010048119A | 2010-03-04 | |||
| US6139276A | 2000-10-31 | |||
| US20090004015A1 | 2009-01-01 | |||
| US6059531A | 2000-05-09 | |||
| JPH03104511U | 1991-10-30 |
Attorney, Agent or Firm:
NAITO, Hiroki et al. (JP)
Hiroki Naito (JP)
Hiroki Naito (JP)
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