US Patent 10073231 Heat sink attaching structure and electrical connector cage assembly

An electrical connector cage assembly includes a casing, a first heat sink, a second heat sink, and a heat sink attaching structure. The casing can accommodate at least one electrical connector. The heat sink attaching structure includes a connecting part, a first engagement part, a second engagement part, a first attaching part, and a second attaching part. The connecting part protrudes out of a top wall of the casing. The first and second engagement parts are disposed on two opposite side walls of the casing respectively. The first and second attaching parts are connected to the connecting part. The first and second attaching parts detachably clip to the first and second engagement parts for attaching the first and second heat sinks on the top wall respectively.