Patent ID: 7140099

Claim:
An apparatus for building pallets comprising; a jig frame adapted to maintain a plurality of deck boards in deck board locations on top of a plurality of stringers in substantially parallel stringer locations; a gantry pivotable frame mounted above the jig frame and a plurality of nailing guns mounted on the gantry frame; wherein the gantry frame is pivoted with respect to the jig frame to position and operate the nailing guns to nail deck boards to stringers; wherein at least one nailing gun is mounted to the gantry frame such that the at least one nailing gun can move up and down with respect to the gantry frame from a lowest gun position nearest to the jig frame to a raised position farthest from the jig frame; wherein the at least one nailing gun is biased toward the lowest gun position; wherein the gantry frame is pivoted downward toward the jig frame to fire the at least one nail gun; and wherein the at least one nail gun moves up toward the raised position after firing in response to further pivoted downward movement of the gantry frame.