Patent ID: 8531835

Claim:
An apparatus comprising: an adapter card retainer bracket comprising a first end and a second end removably attachable to a chassis, and formed with a plurality of plunger openings, each plunger opening comprising a wide side and a narrow side, wherein an attachment protrusion extending from an adapter card retainer plunger of a respective adapter card passes through the wide side and slidably engages the narrow side of the plunger opening along a narrow neck portion of the attachment protrusion between a head portion of the attachment protrusion and a first edge of the adapter card retainer plunger, and an engagement tab of the respective adapter card retainer plunger is compressed to flexibly move towards the attachment protrusion, pass through the wide side of the plunger opening, and apply a retaining force to an edge of the wide side of the plunger opening; a first set of attachment devices configured to attach the first end of the adapter card retainer bracket to a first side of the chassis; and a second set of attachment devices configured to attach the second end of the adapter card retainer bracket to a second side of the chassis.