A roof panel connected to the vehicle body through at least a pair of left-hand and right-hand front pillars and a pair of left-hand and right-hand rear pillars is provided with a wide open roof aperture enclosed by a front header, a pair of left-hand and right-hand roof side rails and a rear header....http://www.google.ca/patents/US4968089?utm_source=gb-gplus-sharePatent US4968089 - Flexible top apparatus of a vehicle
