Toy vehicle explodable on contact with an object

Claim 1

AN ALL-PLASTIC TOY VEHICLE COMPRISING ONE UNITARY MOLDED PIECE IN THE SHAPE OF CHASSIS HAVING TWO LONGITUDINAL SIDE FRAME MEMBERS AND A PLURALITY OF TRANSVERSE MEMBERS CONNECTING THE SIDE FRAME MEMBERS, AN AXLE CARRYING A WHEEL AT EACH END MOLDED AS A UNITARY PART, ONE TRANSVERSE MEMBER HAVING A PORTION SHAPED AS A RETAINING CLIP AND HOLDING AN AXLE IN DESIRED TRANSVERSE POSITION ON THE CHASSIS A SECOND AXLE AND WHEEL UNIT, A SECOND TRANSVERSE MEMBER HAVING A RETAINING CLIP PORTION AND HOLDING THE SECOND AXLE IN SPACED PARALLEL RELATION TO THE FIRST AXLE, SAID CHASSIS INCLUDING A PLASTIC LEAF SPRING HAVING ONE END BRIDGING THE SIDE MEMBERS AND THE LEAF EXTENDING LONGITUDINALLY OF THE VEHICLE WITH A PLASTIC DETENT TOOTH ON THE FREE END OF SAID LEAF, SAID LEAF HAVING ITS FREE END MOVABLE VERTICALLY WHEN THE CHASSIS IS HORIZONTAL, AND MOLDED PLASTIC AUXILIARY FRAME MEMBER COMPRISING SIDE AND TRANSVERSE MEMBERS AND CARRYING A BUMBER AT ONE END THEREOF, SAID AUXILIARY FRAME MEMBER BEING SMALL ENOUGH TO LIE BETWEEN THE CHASSIS SIDE MEMBERS, SAID AUXILIARY FRAME MEMBER BEING SLIDABLY SUPPORTED ON CERTAIN OF THE CHASSIS TRANSVERSE MEMBERS, SAID AUXILIARY FRAME MEMBER HAVING ONE TRANSVERSE MEMBER FOR ENGAGEMENT WITH THE LEAF SPRING TOOTH, SAID LEAF SPRING BEING NORMALLY BIASED TO AN UP POSITION IN WHICH POSITION THE LEAF SPRING TOOTH IS FREE OF THE ONE AUXILIARY FRAME TRANSVERSE MEMBER, PLASTIC MEANS MOLDED ON SAID AUXILIARY FRAME MEMBER AND ON SAID CHASSIS FOR DEFINING A LIMITED RANGE OF LONGITUDINAL MOVEMENT BETWEEN THE TWO, SAID AUXILIARY FRAME MEMBER HAVING ONE END POSITION WHERE SAID BUMPER IS EXTENDED BEYOND THE END OF THE CHASSIS IN WHICH POSITION SAID LEAF SPRING TOOTH IS DEPRESSED TO ENGAGE THE ONE AUXILIARY TRANSVERSE FRAME MEMBER AND LOCK THE LEAF SPRRING IN DOWN POSITION, SAID BUMPER WHEN MOVED TOWARD THE CHASSIS END RELEASING THE LEAF SPRING FOR UPWARD MOVEMENT, TWO PLASTIC MOLDED BODY PORTIONS NORMALLY RESTING UPON SAID CHASSIS AND HAVING FINGERS RESTING UPON SAID LEAF WHEN LEAF IS IN ITS LOCKED LOWER POSITION, SAID LEAF SPRING THROWING SAID BODY PORTIONS UPWARDLY CLEAR OF SAID CHASSIS WHEN SAID LEAF SPRING IS UNLOCKED, SAID VEHICLE BEING ENTIRELY OF PLASTIC AND FREE OF METAL.