Patent ID: 8735742
Filing Date: 2014-05-27
Classification: H05K

Abstract:
1. An electromagnetic interference (EMI) shielding apparatus, comprising: a bracket defining a receiving space; a shaft rotatably received in the receiving space; and a shielding member reeled about the shaft, and comprising a first end fixed to the shaft and a second end opposite to the first end; and a resilient member connected between the bracket and the shaft, wherein the resilient member is a clockwork spring, the clockwork spring fitting about the shaft, opposite ends of the clockwork spring respectively abut against the bracket and the shaft, the shielding member is made of EMI shielding material, and the shielding member is wound on or let out from the shaft as the shaft rotates; wherein the shielding member comprises a shielding portion; and wherein the shielding portion comprises two shielding pieces overlapped with each other, each shielding piece defines a plurality of through holes, and the through holes of one of the shielding pieces are misaligned from the through holes of the other shielding piece.