Patent ID: 6048173
Filing Date: 2000-04-11
Classification: F04D

Abstract:
A ceiling fan comprising:a motor casing;an engaging ring connected to the bottom of said motor casing, said engaging ring having a plurality of recesses defined in the bottom thereof and each of said recesses having an open end defined in the inner periphery of said engaging ring and a closed end on the outside of said engaging ring, each of said recesses having a groove defined in a respective one of the two sides thereof, a plurality of apertures defined through said engaging ring and respectively communicating with said respective recesses;each of said apertures having a spring and a ball received therein which is biased by said spring, said balls respectively extending into said recesses through said apertures, anda plurality of fan blade brackets each having an end member connected thereto which has a flange extending from a respective one of the two sides thereof so as to be received in said grooves of said recess corresponding thereto, each of said end members having a first end thereof contacting said closed end of said recess corresponding thereto and a second end thereof stopped by said ball in said recess corresponding thereto.