Patent Number: 6,332,464

Title: Scuba diving regulator

Abstract: A scuba diving regulator includes a casing, a mouth piece, an air valve unit, an audio unit, a nozzle unit, an air charge unit and an air discharge unit. The casing has an alarm connector, a whistle connector linearly aligned with the alarm connector and a mouth piece connector for engaging with the mouth piece. The casing includes therein a longitudinal chamber adjacent a body. The air valve unit engages with the alarm connector and includes an alarm valve, an elastic member and a push button engaged with the elastic member for open or close the alarm valve. The audio unit engages with the whistle connector and includes a cylinder, an impact member located in the cylinder and a piston reciprocally movable in the cylinder for hitting the impact member to produce audio alarm sound. The nozzle unit is held in the casing and is screwed and sealed in the chamber by means of the screw member and a seal ring, and includes an air flow member which engages with the alarm valve. The air charge unit is mounted on the casing and includes a charge button reciprocally movable in the body, a seal ring, an elastic member engageble with the charge button and a charge valve engaged with the air flow member. The discharge unit is mounted on the casing and includes a discharge button reciprocally movable in the body and and an elastic member engagable with the discharge button.

Inventors: Chen; Frankie (Taipei, TW)


International Classification: B63C 11/22 (20060101); B63C 11/02 (20060101); B63C 11/26 (20060101); A61M 016/00 (); A62B 007/04 (); F16K 031/26 ()

Expiration Date: 12/25/2018