Retaining structure for a track device

摘要

A track device comprises a first track, a second track slidably received in the first track, and a third track slidably received in the second track. The first track includes a retaining block having an upper side and an underside side. Each of the upper side and the underside side of the retaining block has a first end having an inclined surface tapering toward a longitudinal axis of the retaining block. Each of the upper side and the underside side of the retaining block further has a second end with an engaging portion. The second track is slidably received in the first track and has a clamping member mounted thereto. The clamping member includes a main body with two opposite sides and two resilient legs each having an intermediate portion connected to an associated side of the main body. Each resilient leg further includes a first end extending beyond the main body and a second end extending beyond the main body. A distance between the first ends of the resilient legs is smaller than that between the second ends of the resilient legs. The first ends of the resilient legs are releasably engaged with the retaining block and releasably retained on the engaging portions of the retaining block.