Panasonic Intellectual Property Management Co., Ltd.

Hironari Ogata

Hiroyuki Kuramochi

Daiki Sakito

A ceiling fan includes blade () that is integrally formed of root (), vane (), and step () for maintaining vane () in a state inclined from horizontal. Blade () includes bend ()on upstream side (11c), first reinforcement () onupstreamdownstreamside(c)(11b), and a plurality of second reinforcements () between bend () and first reinforcement (). First reinforcement length (a) is longer than second reinforcement length (a). Further, the ceiling fan includes blade drop prevention portion () for locking blade () to support ().

Ceiling fan having reinforcements

A ceiling fan includes blade () that is integrally formed of root (), vane (), and step () for maintaining vane () in a state inclined from horizontal. Blade () includes bend (), first reinforcement () on upstream side (), and a plurality of second reinforcements () between bend () and first reinforcement (). First reinforcement length () is longer than second reinforcement length (). Further, the ceiling fan includes blade drop prevention portion () for locking blade () to support ().

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Gifu, Japan

Hironari Ogata