Patent ID: 6754994
Filing Date: 2004-06-29
Classification: E04B

Abstract:
A system for operating a retractable roof having at least two movable roof sections, the system comprising:a first support having a first pulley mounted thereon; a second support positioned opposite to and across from the first support and having a second pulley mounted thereon; a flexible tie member passing around the first and second pulleys to form an elongate endless loop having a cross over point between the first and second supports; wherein the first roof section is attached to the tie member at a first fixed point on the first roof section between the first support and the crossover point and is suspended at said first fixed point; and the second roof section is attached to the tie member at a second fixed point on the second roof section between the crossover point and the second support and is suspended at said second fixed point, such that, when the tie member is moved, the roof sections move in opposite directions.