Patent ID: 6382918
Filing Date: 2002-05-07
Classification: F04D

Abstract:
A blade bracket mounting system for a ceiling fan comprising:a support base (20) including an annular flange (22) defining an axial hole (21), and a plurality of locking portions (23) each located beside said annular flange (22), each of said locking portions (23) including three locking slots (230) each having a first end defining a wide portion (231) and a second end defining a narrow portion (232); a plurality of blade brackets (30) each secured on said support base (20) and each having one distal end provided with a connection (31) secured on a respective locking portion (23) of said support base (20), said connection (31) defining a cavity (32) and provided with three slide blocks (33) each slidably mounted in a respective locking slot (230) of said locking portion (23), three locking screws (34) each screwed in a respective one of said three slide blocks (33) to slide therewith and each slidably rested on a wall of a respective locking slot (230) of said locking portion (23), each of said three locking screws (34) having a dimension greater than that of a respective narrow portion (232) of said locking slots (230) so that each said locking screw (34) is detachably urged on a wall of said respective narrow portions (232) of said locking slots (230); and a fastening ring (40) secured on said support base (20) and including a ring portion (42) mounted on said annular flange (22) of said support base (20) and defining a fitting hole (41) for receiving said annular flange (22), said ring portion (42) of said fastening ring (40) having an outer periphery provided with a plurality of limit lugs (43) and defining a plurality of openings (45) between said limit lugs (43), two adjacent limit lugs (43) each having a corner (431) secured in said cavity (32) of said connection (31) of said blade bracket (30) so that said blade bracket (30) is rigidly secured on said support base (20).