Audible warning device

Details Audible warning device Audible warning device

1996-07-16

1998-07-21

Cuchlinski, Jr., William A.

Signals and indicators

Horns, whistles and compressional wave generators

Manually actuated air compressor

116142FP, G10K 904

Patent

active

057821984

ABSTRACT:
The inventive audible warning device includes, in a preferred embodiment, a refillable pressurized air tank having a service port, a cover for covering the service port, an air pump integrated with the tank for filling the tank within pressurized air, an activator for regulating air flow, a hose connecting the tank to the activator, and a horn connected to the activator. The cover also includes a relief valve for depressurizing the tank. In addition, the cover includes locking elements for locking the cover, which can include in turn a rotatable handle that triggers the relief valve when the locking elements are unlocked. A method for producing sound is also disclosed herein.

REFERENCES:
patent: 261343 (1882-07-01), Hansen
patent: 436651 (1890-09-01), Dyer
patent: 830395 (1906-09-01), Wilson
patent: 1250078 (1917-12-01), Barkman
patent: 2544854 (1951-03-01), Oys et al.
patent: 3785335 (1974-01-01), Wagner
patent: 4185670 (1980-01-01), Sartell, Jr.
patent: 4970983 (1990-11-01), LeBlanc et al.
patent: 5355830 (1994-10-01), deJong

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