Patent ID: 7463809

Claim:
A coupler for a cable trough system, the coupler comprising: a body including a bottom wall and two side walls defining a trough, the body having a body terminal end defining an overlap region, the overlap region being sized to slideably receive a terminal end of a trough member along a longitudinal direction of the body; and a locking element couple to the body, the locking element including a frame member including a shaft, a pawl member including first and second ends, and defining an aperture, the shaft of the frame member extending through the aperture so that the pawl member pivots on the shaft, and a member positioned to engage the first end of the pawl member to pivot the pawl member about the shaft into a locked position to couple the body to the terminal end of the trough member; wherein, when a force is applied to the first end in a direction opposite to that exerted by the member, the pawl member moves about the shaft into an unlocked position.