A mounting track system

-22 A mounting track system for mounting equipment at various locations along a length of a mounting track, the mounting track system comprising a first vertical plurality of securement slots, wherein each securement slot comprises an enlarged head portion 5 adjacent a necked-down region, such that an enlarged head of a mounting projection may pass through the enlarged head portion to allow a stem connected to the enlarged head to slide down the necked-down region such that the enlarged head cannot be removed through the necked-down region. The mounting track system also comprising a second vertical plurality of securement slots in parallel with the first vertical plurality of 10 securement slots, where each of the second vertical plurality of securement slots are horizontally aligned with the first vertical plurality of securement slots such that the first vertical plurality of securement slots and the second vertical plurality of securement slots can simultaneously receive a pair of horizontally aligned mounting projections of a mounting bracket. Fig. 1 5536725_1 (GHMatters) P89247.AU.2 C)Z ---