Abstract: An electronic device includes a main body and a cover. The main body includes a back edge and defines a limiting slot at the back edge thereof. The main body forms a stop portion at the limiting slot. The cover is pivotally connected to the back edge of the main body. The cover includes a limiting member extending into the limiting slot. The limiting member including a peripheral surface is configured for cooperating with the stop portion to prevent the cover from over rotating.

Abstract: A digital disc player includes a main body, a lid pivotally connected to the main body, and a switch mounted on the main body. The lid defines a recessed portion at one corner thereof and a hook is formed at the recessed portion. The switch includes a base through which the switch mounted on the main body, an end portion capable of moving in a horizontal direction relative to the base. When the lid is in a closed position, the hook engages the end portion. When the lid is in an open position, the hook exits from the end portion.

Abstract: A hinge assembly for a disc player includes a housing having a shaft-receiving portion and a lid. The hinge assembly includes at least one supporting portion secured to the lid and at least one torsional spring surrounding the second portion. The supporting portion includes a shaft formed thereon, and a hole defined therein. The shaft includes a first portion coupled to the shaft-receiving portion and an opposite second portion. The torsional spring includes first and second ends, the first ends being coupled to the housing, the second ends thereof being engaged in the hole of the supporting portion. A disc player incorporating said hinge assembly is also provided.