be supported from the main runners or cross tees of a suspended ceiling system the support structure herein is fastened at one end to the main runners or cross tees of the suspended ceiling system and carry on their other end the main horizontal support members for the light fixture and vaulted module means positively lock the support structure to the main runner or cross tee of the suspended ceiling system application_number US 64464975 A description in fig1 there is shown a conventional vaulted ceiling module the module 2 contains a light fixture means 4 surrounded by four inclined ceiling boards 6 which provide the module with its vaulted or recessed configuration a ceiling assembly could be composed of a plurality of modules 2 such as that shown in fig1 placed in a side by side relationship or the ceiling could be composed of a plurality of vaulted modules such as that shown in fig1 interspersed among a series of modules which contain simply flat boards and subsequently are not vaulted in configuration referring now to fig2 there is shown the vaulted module with the ceiling boards and light fixture removed the ceiling module is supported by a plurality of inverted 34 t 34 main or cross runner members 8 hereinafter called main runners which form the suspension system for the overall ceiling system a number of support structures 10 which constitute the inventive elements of this disclosure are mounted upon the main runners 8 normally two support structures 10 would be placed on each of two adjacent parallel main runner members a support bar 12 is then fastened to the top of each of the support structures 10 and the support bars 12 span the gap between.