Patent ID: 7054160

Claim:
An apparatus for attaching and detaching a circuit board comprising: a main body open at a front thereof and including a plurality of racks arranged in an interior portion thereof; a motherboard arranged at an inner rear portion of the main body; a connector arranged on the motherboard for transmitting electronic signals and electrical power to the circuit board; a guide bracket mounted on the circuit board to guide the circuit board into one of the plurality of racks, and including a plurality of sockets arranged on a front thereof; and an ejector rotatably mounted on the guide bracket, the ejector holding the guide bracket by pushing the main body upon the circuit board being attached to the connector, and the ejector detaching the circuit board from the connector by pulling the guide bracket as the ejector rotates, wherein the ejector comprises: a pivot member rotatably mounted on the guide bracket, the pivot member pulling the guide bracket as the pivot member rotates; and a resilient push piece cantilevered on the pivot member, the resilient push piece pushing the main body upon the circuit board being attached to the connector, and the resilient push piece releasing the pivot member from the main body upon the resilient push piece being pulled.