Patent ID: 6512875
Filing Date: 2003-01-28
Classification: G02B,H02G

Abstract:
A coupling for a cable trough system including trough members to be coupled at flanged ends, the trough members having first and second generally vertical side walls joined by a generally horizontal bottom wall; the coupling comprising:a U-shaped rib having two side members connected by a bottom member, the rib having an external surface and an internal surface, the rib having a rail on its external surface, the rib also having first retention arrangement extending from a side member; a pivoting clamp having two ends, the clamp being pivotally coupled at its first end to the rib, the clamp at its second end having second retention arrangement to be releasably received by the first retention arrangement of the rib when the pivoting clamp is pivoted to a closed position, the clamp having a contoured clamping surface, the clamping surface being contoured to hold two flanged ends of adjacent trough members against the rail and the external surface of the rib when the pivoting clamp is in the closed position.