a trailer coupler pivot assembly comprising a pivot mount member connected to a trailer frame member and a hinge bracket connected to a trailer tongue arm . the hinge bracket is pivotally connected to the pivot mount member so that the trailer tongue arm is pivotal relative to the trailer frame member between an open position and a closed position . however , either of the pivot mount member or the hinge bracket comprises a single , prefabricated component to make assembly more efficient and cost effective . with both the pivot mount member and the hinge bracket being single , prefabricate components , the trailer coupler pivot assembly can be more easily installed with fewer components and welds and by less skilled labor .