in their respective apertures 70 in the plate 34 and as configured will allow the pin ends 92 to now clear the inside of plate 54 to be aligned with apertures 70 in plate 54 this allows the cooking grate 80 to be moved leftwardly as viewed in fig4 b to a position where a fastener such as a cotter pin 130 can be positioned in a respective aperture 132 as shown in fig4 c it should be appreciated from a review of fig3 and 4 a 4 c that the cooking grates will be positioned in corresponding sets of apertures 71 74 for the retention of the food to be cooked thus with reference to fig8 a 8c it should be appreciated that the cooking grates 80 can accommodate various sizes and configurations of food to be cooked with reference first to fig8 a two cooking grates 80 can be positioned in opposing relation to each other and in close proximity thereto to accommodate such food as chicken or ribs to be barbecued with respect to fig8 b a similar configuration of the grates 80 is shown but spread apart from each other in a greater distance to accommodate larger food such as a turkey or ham finally as shown in fig8 c four grates can be positioned as shown with one grate in each column of apertures 70 for a large item.