Patent ID: 7147417

Claim:
A slide mechanism for mounting a tie-down assembly on a trailer, comprising: an elongated member having an axial length and a box-shaped beam defining a hollow interior, the elongated member, including: a slot extending the axial length of the elongated member, the slot having a gap width; and a channel disposed parallel to and in communication with the slot, the channel having a width that exceeds the gap width of the slot; and a carriage bolt having a head and an elongated neck, the head having a width exceeding the gap width of the slot; wherein: the box shaped beam includes a top wall and a bottom wall, and a pair of side walls; the elongated member further includes an elongated rail portion extending vertically from and generally aligned with one of the side walls of the beam; the channel is configured to receive and maintain the carriage bolt head adjacent to the slot; and the carriage bolt neck is configured to couple the tie-down assembly to the slide mechanism.