Patent ID: 8104207

Claim:
A method of supporting and changing a display sign from any point in an overhead elongated upper rail attached to a ceiling, comprising: connecting the display sign to an elongated anchor rail; piercing a slot arranged in an elongated anchor rail by an angled main flange attached on an upper end of a lift pole; lifting the anchor rail and the sign thereattached onto a shaped lower edge of an elongated lower extension of the upper rail; depositing an anchor cleat of the anchor rail upon the shaped lower edge of the upper rail; sliding the angled main flange back out through the slot in the elongated anchor rail; and reversing the process to remove the anchor rail and sign thereattached, from the upper rail, wherein the anchor rail is of inverted “V” shape in cross-section form on its upper edge, and wherein the shaped lower edge of the elongated lower extension of the upper rail is of generally triangular shape in cross-section to provide even support to the cleat of the anchor rail, and wherein the elongated lower extension of the upper rail is supported off at an acute angle with respect to the elongated lower extension.