Patent ID: 8128326

Claim:
A locking assembly for securing a payload to a channel-shaped track, a surface of the track having a plurality of clearance openings that are spaced apart, the locking assembly comprising a body moveable along the track and an engagement member coupled to the body, the engagement member having an unsecured position for allowing the body to move along the track and a secured position for engaging the track to constrain the body from moving along the track, the body including: a payload attachment portion; an insertion portion configured to be inserted into at least one of the clearance openings and moved beneath the track surface to engage the track to prevent the body from being pulled away from the track; and a self-alignment feature for limiting the movement of the body along the track, the self-alignment feature configured to be inserted into another one of the clearance openings and translated along the track until abutting against an edge of said another clearance opening, at which point the insertion portion engages the track surface and the engagement member is in position to engage the track.