Patent ID: 8021119
Filing Date: 2011-09-20
Classification: F04D

Abstract:
1. A locking plate fast fastening ceiling fan blades, the ceiling fan being provided with several blade racks and each blade rack fixing a blade by wedging a fixing plate, in which several pillars are provided on each blade rack, a head of which the diameter is larger than that of pillar is provided at the top of each pillar, and on the blade opposite to the pillar of blade rack, thru holes are formed and set around the pillar of blade rack, being characterized in that: the locking plate comprises a clamp plate and at least one pushing board, in which the clamp plate is wedged between the blade and the head of pillar of the blade rack, at least one chute is formed on the clamp plate, where the pushing board is contained, and thus the pushing board slips forwards and backwards in the chute, the clamp plate in the chute is provided with at least one first wedge unit, the first wedge unit is a first spring plate horizontal to the chute, one side of the first wedge spring plate is a fixing terminal and connects to the clamp plate and the other side is formed with a free terminal upwards warping toward the pushing board to stay close to the terminal of pushing board, the clamp plate in the chute is formed with a thru hole for allowing the pillar on the blade rack, and the pushing board slip towards the pillar and stays close to the side of pillar.