Toy sound device adapted to actuate a resonator by repetitive shock excitation

Claim 1

IN COMBINATION WITH A VEHICLE HAVING A ROTATABLE VEHICLE WHEEL AND A FENDER COVERING SAID ROTATABLE WHEEL, A DEVICE FOR PRODUCING SOUNDS SIMULATING THE SOUNDS PRODUCED BY AN INTERNAL COMBUSTION ENGINE, COMPRISING: AN APERTURED RECESS PROVIDED IN SAID FENDER ADJACENT SAID ROTATABLE WHEEL AND DEFINING A SPEAKER GRILL FOR SAID DEVICE; NON-METALLIC VIBRATILE RESONATOR MEANS MOUNTED IN SAID RECESS BETWEEN SAID GRILL AND SAID WHEEL, SAID RESONATOR MEANS HAVING A LOW-PITCHED NATURAL FREQUENCY SUBSTANTIALLY LESS THAN 7500 C.P.S., SAID RESONATOR MEANS BEING ADAPTED TO PRODUCE INDISCRIMINATE NOISE SIMULATING THE NOISE PRODUCED BY AN INTERNAL COMBUSTION ENGINE WHEN SUBJECTED TO REPETITIVE SHOCKEXCITATION WHEREIN THE BULK OF THE NOISE HAS A FREQUENCY BELOW APPROXIMATELY 2500 C.P.S., SAID RESONATOR MEANS COMPRISING A GENERALLY CIRCULAR DIAPHRAGM COMPRISING REVERSELY TAPERED CONICAL PORTIONS ARRANGED IN RADIAL ALIGNMENT WHEREBY TO MINIMIZE THE DEPTH OF SAID RECESS; AND ACTUATING MEANS OPERATIVELY ASSOCIATED WITH SAID RESONATOR MEANS AND SAID VEHICLE WHEEL FOR SUBJECTING SAID RESONATOR MEANS TO SAID REPETITIVE SHOCK-EXCITATION.