Circuit board injector/ejector device for a circuit board enclosure

A circuit board injector/ejector device for injecting and ejecting a circuit board into a rack, the rack housed in an enclosure having a backplane, to electrically connect a rear edge of the circuit board to the backplane, the circuit board injector/ejector device comprising:

• a body secured to a front plate, the front plate secured to a front edge of the circuit board;
• a lever pivotally mounted on said body, said lever pivotable in both a first direction and a second direction opposite to the first direction, the lever having at least a first surface and a second surface;
• an elongated member extending transversely across the rack, the elongated member having a push-in surface and a push-out surface, the lever engagable with said elongated member;
• wherein when the lever is pivoted in the first direction, the first surface of the lever engages with the push-in surface on the elongated member to connect the circuit board to the backplane by injecting a plurality of pins on one of said rear edge of said circuit board and said backplane into a plurality of sockets on the other one of said rear edge of said circuit board and said backplane;
• the lever having at least one surface engaging a surface on said elongated member when said plurality of pins have been injected into said plurality of sockets to prevent withdrawal of said circuit board from the rack unless the lever is first pivoted in the second direction;
• the second surface of the lever engaging with the push-out surface on said elongated member to eject said plurality of pins from said plurality of sockets when the lever is pivoted in the second direction;
• the body of the device having a tapped hole;
• and
• a fixing screw insertable through the lever into said hole when the plurality of pins have been injected into said plurality of sockets, the fixing screw threadably insertable into said tapped hole to prevent pivotal movement of the lever.