Patent ID: 8534631

Claim:
A trailer jack support block for supporting a jack of a trailer hitch, comprising: a solid rectangular, parallelepiped member having a top face, a bottom face, two end faces and two side faces, the side faces having a height, each of the side faces having two grooves defined therein extending across the side face so that the grooves are coextensive with the height of the side face; wherein said block is configured to support a trailer hitch thereon; a tail chain anchored to one of the end faces, the tail chain having a free end adapted for attachment to the trailer hitch; a connector clip attached to the free end of the tail chain a plurality of chains anchored to each of the two side faces, each of the grooves having one of the chains anchored therein, the chain fitting in the groove when the side face lies on the ground so that the side face presents a level surface wherein said plurality of chains each having a terminal end affixed within each said groove by a fixing member.