Patent ID: 7510416

Claim:
A PIU plug-in/plug-off mechanism for an electronic apparatus, which enables a printed board to be plugged into and out of a bookshelf-type electronic apparatus, comprising: a shelf having a rear side having a backplane on which the printed board is mounted, and sidewalls each having an upper edge which defines a front face; a card lever that is supported on the front face of said shelf and is turned for plugging in/out the printed board; an arm that has a base part at one end connected to said card lever and a free end at the other end formed to extend toward said backplane of said shelf; and an engaging member that is provided at a leading end of the printed board such that said engaging member is engaged with said free end of said arm in a state where the printed board is inserted in said shelf, wherein when said card lever is turned in one direction, said free end of said arm is brought into engagement with said engaging member; when said card lever is further turned, the printed board is pushed toward said backplane within said shelf by said free end of said arm via said engaging member; and when said card lever is turned in another direction, the printed board is pushed away from said backplane within said shelf by said free end of said arm via said engaging member.