B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
B60J7/08—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position
B60J7/12—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position foldable; Tensioning mechanisms therefor, e.g. struts
B60J7/1226—Soft tops for convertible vehicles
B60J7/1265—Soft tops for convertible vehicles characterised by kinematic movements, e.g. using parallelogram linkages
Element d'articulation a longueur efficace entre appuis variable pour l'entrainement d'un element de construction pivotant a l'aide d'un entrainement a ressort.