Patent ID: 6540889
Filing Date: 2003-04-01
Classification: C25D

Abstract:
A conducting roller assembly for an electroplating apparatus, said conducting roller assembly comprising:a supporting unit; two aligned conducting rollers, each of which has two ends that are journalled on said supporting unit, said rollers being arranged one above another so as to be adapted to clamp a plate-shaped workpiece to be electroplated such that the workpiece moves between and is in electrical connection with said rollers; and two conducting units, each of which includes an elongated conducting member and two horizontal rows of equidistant conducting posts, which are fixed to and which are in electrical connection with said member, said two horizontal rows of said posts being disposed on two opposite sides of a respective one of said rollers, said rollers being located under one of said members and over the other one of said members, said members being fixed relative to said supporting unit and being disposed respectively adjacent to said rollers, each of said members being adapted to be connected electrically to a negative side of a power supply, each of said posts having a pressing end that is biased to contact a respective one of said rollers so as to establish an electrical connection between the respective one of said members and the respective one of said rollers; whereby, electric current can flow from the power supply to the workpiece via said members, said posts and said rollers.