Patent ID: 8636328

Claim:
A retention device, comprising: a first holder, two locking members downwardly extending from front and rear ends of the first holder, each of the locking members and the first holder defining a guideway, an engaging portion extending from a side of the first holder, the first holder comprising a bottom wall, each of the locking members comprising a first portion perpendicularly and downwardly extending from a periphery of the bottom wall, and a second portion horizontally extending from a periphery of the first portion; and a second holder, the second holder comprising a handle to lock the engaging portion of the first holder, a plurality of latch portions extending from two ends of the second holder; wherein the second holder is arranged under the first holder via the latch portions of the second holder being received in the guideway of the first holder; or the second holder is juxtaposed with the first holder via the handle of the second holder locking the engaging portion of first holder.