Assembly Cable Tray Using Retardant Plastics and Joint Device Thereof

摘要

A knockdown cable tray made of a fire-retardant plastic and a coupling device therefor are capable of being used to easily and efficiently install an incombustible knockdown cable tray to suspend a plurality of cables from a ceiling. The knockdown cable tray includes: a pair of side panels, each of which includes a frame having a plurality of coupling holes formed in opposite ends thereof in a lengthwise direction and a coupler protruding outwardly from the frame, the side panels being located opposite each other; a plurality of rung members, each of which is detachably coupled to the couplers and firmly supports the side panels; and coupling devices, each of which is detachably coupled to the coupling holes of each frame and firmly couples a plurality of side panels disposed in a lengthwise direction.

主权项

1. A knockdown cable tray made of a fire-retardant plastic, comprising:
a plurality of side panels installed to be opposite each other; a plurality of rung members detachably coupled inside the side panels to firmly support the side panels; and a plurality of coupling devices configured to connect the side panels in a lengthwise direction, each of the coupling devices comprising,
(a) a main body formed to fit into a lengthwise end of each of the side panels, and(b) a connecting body configured to firmly fix the main body to the side panels.