Anti-scraper device for motor vehicles

Claim 1

AN ANTI-SCRAPER DEVICE FOR MOTOR VEHICLES COMPRISING MOUNTING MEANS ADAPTED TO BE SECURED TO THE UNDERCARRIAGE OF THE VEHICLE, A FLEXIBLE MEMBER CARRIED BY SAID MEANS SPACED ABOVE THE NORMAL ROAD SURFACE AND SO THAT IT EXTENDS BELOW THE UNDERCARRIAGE AND THE BODDY OF THE VEHICLE IN A POSITION TO HAVE ITS UNDERFACE ENGAGE ANY HIGH POINT IN THE ROAD OVER WHICH THE VEHICLE MAY BE TRAVELING, SAID FLEXIB LE MEMBER BEING MOUNTED FOR FREE MOTION SO THAT THROUGH THE MENTIONED ENGAGEMENT MOTION WILL BE IMPARTED TO THE UNDERFACE, A BACKING PLATE CARRIED BY SAID MEANS IN ENGAGEMENT WITH THE UPPERFACE OF SAID MEMBER, TWO SPACED-APART ROLLERS BEING FREELY ROTATABLY CARRIED BY SAID MOUNTING MEANS, SAID FLEXIBLE MEMBER COMPRISING AN ENDLESS BELT ENTRAINED ABOUT SAID ROLLERS, SAID BACKING PLATE ENGAGING THE UPPERFACE OF THE LOWER RUN OF SAID BELT, SAID MOUNTING MEANS COMPRISING AN ELONGATED BRACKET ADAPTED TO BE SECURED TO THE SIDE CHANNEL-FRAME MEMBER OF THE VEHICLE UNDERCARRIAGE AND TO EXTEND LONGITUDINALLY THEREOF, SAID ROLLERS BEING CARRIED BY SAID BRACKET ADJACENT OPPOSITE ENDS THEREOF, SAID BRACKET BEING OF INVERTED U-SHAPE IN CROSS-SECTION AND HAVING UPSTANDING END PORTIONS, MEANS FOR SECURING AND UPSTANDING END PORTIONS TO THE SIDE CHANNEL-FRAME MEMBER, MEANS FOR RESILIENTLY URGING THE BACKING PLATE INTO ENGAGEMENT WITH THE FLEXIBLE MEMBER COMPRISING A CUPSHAPED MEMBER HAVING A TOP PLATE SECURED TO THE UPPER EDGES OF THE BRACKET AND HAVING A DEPENDING SKIRT EXTENDING DOWNWARDLY THEREFROM, A STEM EXTENDING DOWNWARDLY FROM THE TOP PLATE AND DISPOSED CENTRALLY OF THE SKIRT, SAID STEM EXTENDING DOWNWARDLY AND SLIDABLE THROUGH A HOLE IN SAID BACKING PLATE, THE ROLLER END PORTION OF THE STEM BEING SCREW-THREADED, A NUT AND LOCK WASHER ON SAID SCREW-THREADED PORTION OF THE STEM, AND A COILED SPRING ENCIRCLING THE UPPER PORTION OF THE STEM AND CONFINED BETWEEN THE TOP PLATE AND THE VACUUM PLATE, THE UPPER PORTION OF THE SPRING BEING HOUSED WITHIN THE SKIRT.