Windshield wipers

Claim 1

IN A VEHICLE WINDSHIELD WIPER ASSEMBLY, THE COMBINATION OF AN ELONGATED WIPER-BLADE HOLDER HAVING SUBSTANTIALLY GREATER WIDTH THAN THICKNESS, SAID HOLDER BEING OF CURVED CROSS SECTION THROUGHOUT ITS WIDTH TO PROVIDE CONCAVE AND CONVEX FACES, LONGITUDINALLY SPACED ATTACHING MEANS ON SAID HOLDER FOR ATTACHING ON THE CONVEX FACE OF SAID HOLDER A FLEXIBLE WIPER BLADE HAVING DEFINED PLANE OF FLEXURE, AND CONNECTING MEANS FOR PIVOTALLY MOUNTING SAID HOLDER ON A WINDSHIELD WIPER ARM WITH THE PLANE OF FLEXURE TO SAID WIPER BLADE APPROXIMATELY NORMAL TO THE SURFACE OF THE WINDSHIELD AND WITH THE FORWARD EDGE PORTION OF SAID HOLDER CLOSEST TO SAID SURFACE AND THE CONVEX AND CONCAVE FACES OF SAID HOLDER CURVING CONTINUOUSLY PROGRESSIVELY AWAY FROM SAID SURFACE, WHEREBY AIR FLOWING OVER SAID WINDSHIELD WHEN THE VEHICLE IS IN FORWARD MOTION FLOWS OVER THE CURVED FACE AREAS OF SAID HOLDER TO PRODUCE AN AERODYNAMIC FORCE ON SAID HOLDER WITH A USEFUL COMPONENT PRESSING SAID HOLDER AND WIPER BLADE TOWARD THE WINDSHIELD SUBSTANTIALLY THROUGHOUT THE LENGTH OF SAID WIPER BLADE AND A LESSER DRAG COMPONENT ACTING ON SAID HOLDER IN A DIRECTION PARALLEL TO THE WINDSHIELD SURFACE IN OPPOSITION TO MOVEMENT OF SAID WIPER ASSEMBLY BY SAID WIPER ARM.