Patent ID: 8092180

Claim:
A blade assembly for a ceiling fan comprising: a mounting arm having a bracket formed in one end thereof for adapting to be mounted to a motor, the mounting arm having a plate formed in the other end thereof, the plate having a boss extended therefrom, the boss having a split defined in a top thereof; a bearing sleeved on the boss of the mounting arm; a cover connected to the mounting arm, the cover having a stub extended from a bottom thereof, the stub having a receiving recess defined therein for receiving the bearing, the cover having a through hole defined therein for passing the boss of the mounting arm, the cover having at least one boss extended from a top thereof; a spiral spring mounted on the cover and sleeved on the boss of the mounting arm, the spiral spring having one end sleeved on the at least one boss of the cover and the other end engaged with the split; a blade mounted on the cover, the blade having at least one mounting hole defined therein and corresponding to the at least one boss of the cover; and at least one screw passing through the at least one mounting hole and fastening with the at least one boss of the cover such that the blade is securely mounted to the cover.