Patent ID: 7685791

Claim:
A structural member including an arm connection comprising: a first thru-vang having a plurality of apertures disposed therein, the first thru-vang secured to the structural member; a second thru-vang adjacent the first thru-vang and having a plurality of apertures therein, the second thru-vang secured to the structural member; an arm bracket having a plurality of bracket apertures disposed therein and adjacent to the first thru-vang and the second thru-vang such that the bracket apertures align with apertures the first thru-vang and the second thru-vang; a plurality of elongate bolts being received through the apertures in the first thru-vang and the second thru-vang apertures and the bracket apertures, each said bolt having a head at one end and a securement aperture at the other end, said securement apertures being aligned; and an elongate securement member inserted mutually through the aligned securement apertures of the plurality of bolts to prevent loosening of the plurality of bolts.