Patent ID: 8545632

Claim:
A coating holder for holding a plurality of workpieces, comprising: a rotating shaft; a first driving member being a servomotor and comprising a first stator and a first rotor extending from the first stator, the first driving member configured for driving the rotating shaft to rotate about a first axis; a plurality of supporting trays configured for holding the workpieces; a plurality of hanging arms perpendicularly extending from the rotating shaft, each hanging arm comprising a free end distal from the rotating shaft, each free end having two of the supporting trays hanging therefrom; wherein the two supporting trays of each hanging arm comprises a main body, the main body comprises a first side and a second side opposite to the first side, the two supporting trays are rotatable about the second axis between a first position where the first sides of the supporting trays are substantially located on a common plane and face upward, and a second position where the second sides of the supporting trays are substantially located on a common plane and face upward; a plurality of second driving members, each second driving member being a servomotor and comprising a second stator and a second rotor extending from the second stator, wherein each free end is equipped with two of the second driving members on opposite surface thereof, the two supporting trays are hung on the opposite surface of the free end via the two second driving members, respectively, and the second driving members are configured for driving the supporting trays to rotate about a second axis substantially perpendicular to the first axis.