Patent ID: 9039394
Filing Date: 2015-05-26
Classification: F04D

Abstract:
1. A ceiling fan comprising: a suspending part fixed to a ceiling; and a ceiling fan body suspended via the suspending part, wherein the ceiling fan body includes wherein the suspending part includes a protrusion and a power ON/OFF part, wherein the joint part includes a groove and a pressing part, wherein an energized state between the suspending part and the joint part can be detected by engagement between the protrusion and the groove, wherein the joint part has a hemispherical surface and includes the groove in the hemispherical surface, the suspending part is bowl-like, can movably hold the joint part and has a notch capable of passing the shaft therethrough, the protrusion has a plate-like shape and is capable of being inserted into the groove, by inserting the protrusion into the groove, the pressing part comes into contact with the ower ON/OFF part to cause the energized state, when the protrusion is inserted into the groove, a gap is provided between the protrusion and the groove, and during horizontal rotation of the joint part, an angled part where an inner surface of the groove intersects with an outer circumferential surface of the joint part comes into contact with an end surface of the protrusion, thereby scraping or breaking the protrusion, resulting in separation of the pressing part from the power ON/OFF part and thus causing a non-energized state between the suspending part and the joint part.