Patent ID: 8215502

Claim:
An electrically conductive attachment system comprising: (a) a tubular portion of electrically conductive material adapted to be attached to a support beam having: (i) a top opening and a bottom opening; and (ii) an inner surface that extends substantially between the top opening and the bottom opening; and (b) a mounting clip adapted to be attached to a cross-bar and to releaseably engage the tubular portion having: (i) an attachment portion adapted to electrically connect the mounting clip to the cross-bar; and (ii) an engagement portion adapted to be inserted through the top opening of the tubular portion to engage the inner surface of the tubular portion and adapted to provide an electrical connection between the tubular portion and the mounting clip; and (c) the attachment system adapted to releaseably connect the cross-bar substantially transverse the support beam and adapted to provide providing an electrical connection between the cross-bar and the support-beam.