Patent ID: 8730682

Claim:
An electronic apparatus comprising: a housing including a first connector; and a printed circuit board unit including a printed circuit board comprising a first recessed portion, a second recessed portion, and a curved surface between the first recessed portion and the second recessed portion, a second connector that is connected to the first connector at the completion of insertion of the printed circuit board into the housing, a lever that is rotatably coupled to the printed circuit board, the lever includes a lock lever movably coupled to the lever and locks the lever in a first predetermined position when the lock lever engages the first recessed portion and locks the lever in a second predetermined position when the lock lever engages the second recessed portion, and an urging member that urges the lock lever such that the lock lever engages separately with each of the first recessed portion, the curved surface, and the second recessed portion during the insertion of the printed circuit board into the housing.