Patent ID: 8414318

Claim:
A power adapter with a rotatable plug module comprising: a body comprising a shell having a front opening; and a substrate mounted in the front opening and having a top surface; a front surface; a rear surface; multiple fasteners formed on the front surface of the substrate and arranged in a ring shape; and multiple clasps, each of the clasps formed on one side of each fastener and all the clasps extending from the fasteners in the same orientation; a circuit module comprising a circuit board mounted in the shell; and a plug module detachably mounted on the substrate and comprising a base having a front surface; a rear surface; multiple holes formed in the rear surface of the base and to be engaged with the fasteners of the substrate when the plug module is rotated to correspond to the fasteners; and multiple ribs formed between two adjacent holes respectively; a front cover securely mounted on the front surface of the base; and multiple conducting blades securely inserted into the front cover and electrically connected to the circuit board.