Patent ID: 9587401
Date: 2017-03-07
CPC Classifications: E04C,E04G

Claim:
1. An apparatus, comprising: a base assembly including an inverted u-shaped portion and two substantially flat flanges extending perpendicularly outward therefrom, a plurality of base bolt openings defined in the inverted u-shaped portion, a plurality of base nuts connected to outer surfaces of the inverted u-shaped portion adjacent to the plurality of base bolt openings, and a base elongated rectangular portion extending perpendicularly outward from the inverted u-shaped portion; a top assembly including an elongated u-shaped portion, a plurality of top bolt openings defined in the elongated u-shaped portion, and a plurality of top nuts connected to outer surfaces of the elongated u-shaped portion adjacent to the plurality of top bolt openings, wherein the top assembly includes a top elongated rectangular portion extending perpendicularly outward from the elongated u-shaped portion and a plurality of gussets connected to opposite sides of the top elongated rectangular portion and the elongated u-shaped portion; and an adjustable coupling assembly connected between the base assembly and the top assembly; wherein, when the adjustable coupling assembly is rotated in one direction, the base assembly and top assembly move away from one another and, when the adjustable coupling assembly is rotated in an opposite direction, the base assembly and top assembly move toward one another.