Windscreen wipers
First Claim
1. A WINDSCREEN WIPER COMPRISING A WIPER HARNESS AND AN ELONGATE WIPER RUBBER CONNECTED TO THE HARNESS THROUGH A SURFACE-CONFORMING BACKING STRIP, SAID RUBBER HAVING A HEAD PORTION SUPPORTED BY THE BACKING STRIP AND SAID HARNESS HAVING YOKE MEANS WITH CLAW MEANS OPERATIVELY ENGAGING PORTIONS OF THE STRIP AT LONGITUDINALLY SPACED POINTS FOR STROKING THE WIPER BACK AND FORTH, SAID HEAD PORTION HAVING AN ATTACHED BODY PORTION FROM WHICH SUSPENDS A LATERALLY FLEXIBLE WIPING LIP, SAID BODY PORTION HAVING SIDE FACE AREAS OF GREATER LATERAL EXTENT THAN THE BACKING STRIP AND ACTING TO PRESENT A WIND-REACTING SLOPING FACE ALTERNATELY DURING THE STROKING OF THE RUBBER TO REACT IN A FORCE TOWARD THE WINDSCREEN FOR INCREASING THE DOWNWARD PRESSURE IN THE LIP CONTACT THEREWITH, THE ACTUAL AREA OF EACH SLOPING SIDE FACE BEING GREATER THAN THE EFFEC-
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Accused Products
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Citations
1 Claim
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1. A WINDSCREEN WIPER COMPRISING A WIPER HARNESS AND AN ELONGATE WIPER RUBBER CONNECTED TO THE HARNESS THROUGH A SURFACE-CONFORMING BACKING STRIP, SAID RUBBER HAVING A HEAD PORTION SUPPORTED BY THE BACKING STRIP AND SAID HARNESS HAVING YOKE MEANS WITH CLAW MEANS OPERATIVELY ENGAGING PORTIONS OF THE STRIP AT LONGITUDINALLY SPACED POINTS FOR STROKING THE WIPER BACK AND FORTH, SAID HEAD PORTION HAVING AN ATTACHED BODY PORTION FROM WHICH SUSPENDS A LATERALLY FLEXIBLE WIPING LIP, SAID BODY PORTION HAVING SIDE FACE AREAS OF GREATER LATERAL EXTENT THAN THE BACKING STRIP AND ACTING TO PRESENT A WIND-REACTING SLOPING FACE ALTERNATELY DURING THE STROKING OF THE RUBBER TO REACT IN A FORCE TOWARD THE WINDSCREEN FOR INCREASING THE DOWNWARD PRESSURE IN THE LIP CONTACT THEREWITH, THE ACTUAL AREA OF EACH SLOPING SIDE FACE BEING GREATER THAN THE EFFEC-
Specification