Simplified disc brake and automotive vehicle

Claim 1

A DISC BRAKE MECHANISM FOR A SMALL AUTOMOTIVE VEHICLE OF THE "KART" TYPE HAVING A FRAME, AN AXLE JOURNALED ON THE FRAME AND SECURED CO-AXIALLY TO A SUPPORT WHEEL MOUNTED THEREON; SAID BRAKE MECHANISM COMPRISING A STRONG, METAL BRAKING DISC SECURED CO-AXIALLY TO THE AXLE AND SPACED AXIALLY THEREOF FROM THE FRAME, A USHAPED BRAKE HOUSING OF METAL PLATE MATERIAL WELDED ALONG ITS ENDS TO THE FRAME AND WITH AN OPEN SIDE THEREOF RADIALLY ADJACENT AN EDGE OF THE DISC, A PAIR OF BRAKE LEVER ARMS MOUNTED INTERIORLY OF THE HOUSING AND PIVOTALLY CONNECTED THERETO, AN END PORTION OF EACH BRAKE ARM EXTENDING BEYOND THE HOUSING AND OVER A MARGINAL PORTION OF THE DISC, A BRAKE BLOCK SECURED TO THE EXTENDING END PORTION OF EACH BRAKE ARM AND FACING AN OPPOSITE SIDE OF THE DISC FROM THE OTHER, SAID BRAKE ARMS BEING PIVOTALLY MOVABLE TO SWING THE BRAKE BLOCKS INTO AND OUT OF ENGAGEMENT WITH OPPOSITE SIDES OF THE DISC, SPRING MEANS PIVOTALLY URGING THE BRAKE ARMS IN DIRECTIONS TO SEPARATE THE BRAKE BLOCKS FROM THE DISC, A CAM FACE ON EACH BRAKE ARM, A PAIR OF CAM FOLLOWER ROLLERS MOUNTED IN THE HOUSING AND IN ROLLING ENGAGEMENT WITH THE CAM FACES ON THE BRAKE ARMS, A CO-AXIAL SHAFT PORTION ON EACH CAM FOLLOWER ROLLER RIDING IN GUIDED RELATION IN A LONGITUDINALLY SLOTTED OPENING PROVIDED THEREFOR IN THE HOUSING, AND MEANS OPERATIVELY ENGAGING SAID SHAFT PORTIONS FOR MOVING THE CAM FOLLOWER ROLLERS IN ROLLING ENGAGEMENT ALONG THE CAM FACES OF THE BRAKE ARMS TO THEREBY PIVOTALLY URGE THE BRAKE ARMS IN DIRECTIONS TO MOVE THE BRAKE BLOCKS THEREON INTO BRAKING ENGAGEMENT WITH OPPOSITE SIDES OF THE DISC.