Patent ID: 7063040

Claim:
A portable air horn apparatus, comprising: an air horn adapted to generate a warning sound when supplied with a contained stream of pressurized air, said air horn being provided with a vibratable diaphragm, an elongated trumpet element, and an inlet nozzle for receiving therethrough the contained stream of pressurized air; an air compressor unit configured to generate pressurized air, said air compressor unit being provided with an outlet nozzle for releasing a stream of pressurized air therethrough; a pressurized air conduit interconnecting said outlet nozzle of the air compressor unit and said inlet nozzle of the air horn, said air conduit adapted for supplying a stream of pressurized air therethrough; an electric motor adapted to operate said air compressor unit when said electric motor is energized; a portable source of electrical energy; electrical circuitry electrically connecting said portable source of electrical energy to said electric motor to enable said motor to be energized, said circuitry including a manually operable on-off switch having a first position opening said circuitry and a second position closing said circuitry; and a housing for physically supporting and containing therein at least said air horn, said air compressor unit, said pressurized air conduit, said electric motor, said on-off switch and said portable source of electrical energy, said housing including a handle adapted to be manually grasped by a user of the device.