Patent ID: 7429142

Claim:
A plug for removably securing a vertical column to a tray, the plug comprising: a primary base portion engaging an upperside of a tray; a column securing structure extending upward from the primary base portion, the securing structure receiving a vertical column when the plug is secured within an opening in the tray; a secondary base portion depending downward from the primary base portion; and means for securing the plug to the tray having: a fixed flange extending outward from a wall of the secondary base portion, and a pivoting tab projecting outward from a lower portion of the secondary base portion in a direction opposing the fixed flange, the pivoting tab having: a tray engaging portion structured to engage an underside of the tray to secure the plug within an opening defined within the tray, and a finger engaging portion structured to permit a user to push from the upperside of the tray the pivoting tab out of engagement with the underside of the tray, the finger engaging portion being L-shaped when viewed from a side and having: a downward extending portion secured to the primary base portion, and a substantially horizontal portion extending outward from a bottom of the downward extending portion, the horizontal portion being pushed from the upperside of the tray with the tray engaging portion extending outward from the substantially horizontally extending portion through the opening in the tray.