Audible alarm device for divers and others

Details Audible alarm device for divers and others Audible alarm device for divers and others

1990-08-17

1992-04-21

Corbin, David H.

Hydraulic and earth engineering

Diving

Suit or accessory therefor

116 27, 116142FP, 441 89, B63C 1102

Patent

active

051062364

ABSTRACT:
An alarm apparatus, for use with conventional diving equipment or other self-contained breathing apparatus, having a body portion (34) and a noisemaker portion (32). The body portion (34) includes a first opening (42) therethrough communicating with a connection for a first hose (14) from an air tank. The body portion (34) includes another opening (50) in fluid communication with the first opening in which is positioned a guide element (68). A movable stem element (75) is positioned within said guide element (68). A bore (64) extends between the second opening (50) and the noisemaker portion (32) in which a horn bell (84) supported by a diaphragm (94) are positioned. A button (80) is connected to the stem element (75) and is biased in one position by a spring (82). Actuation of the button (80) results in fluid communication between the first opening (42) in the body portion (34) and the noisemaker portion (32), further resulting in an audible alarm.

REFERENCES:
patent: 2238759 (1941-04-01), Vestrem
patent: 3149752 (1964-09-01), Gagnan et al.
patent: 3605418 (1971-09-01), Levine
patent: 3785335 (1974-01-01), Wagner
patent: 4045835 (1977-09-01), Flam et al.
patent: 4498878 (1985-02-01), Shieh
patent: 4599965 (1986-07-01), Johnson
patent: 4852510 (1989-08-01), Joseph et al.
patent: 4950107 (1990-08-01), Hancock et al.

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