Patent ID: 8092184
Filing Date: 2012-01-10
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 locking 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 first 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, a position limiting unit is provided in the first chute of clamp plate, the two sides of position limiting unit are separately connected to the two sides of first chute of the clamp plate, the clamp plate in the chute is formed with a thru hole for allowing the pillar on the blade rack, at least one wedge unit is even provided on the pushing board, the wedge unit is a wedge spring plate horizontal to the first chute, one side of the wedge spring plate is a fixing terminal and connects to the pushing board and the other side is formed with a free terminal upwards warping toward the position limiting unit of clamp plate, and the free terminal is connected to a barb to hook the position limiting unit.