A conveyer assembly for loading and unloading objects from vehicle, the assembly including a platform having at least one slot extending across at least a portion of the platform, at least one conveyor extending at least partially into the slot, wherein the conveyor linearly translates inside the slot and at least one support plate, wherein the support plate is releaseably associable with the conveyor via at least one connector member configured to engage the at least one conveyor in such a way that when the conveyor linearly translates the support plate translates therewith and when the conveyor stops the support plate is secured in place.