Mouthpiece for diving

Details Mouthpiece for diving Mouthpiece for diving

1990-11-21

1991-09-17

Burr, Edgar S.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

12820111, 12820629, 12820717, A62B 900

Patent

active

050485199

ABSTRACT:
This invention relates to a mouthpiece for diving which can be attached to a regulator in scuba diving. The mouthpiece comprises a tubular air guide including first and second end portions and a pair of resilient supporting arms elastically provided contiguously of the left and right sides of the air guide second end portion. Stopper portions are provided on the resilient supporting arm portions and include side portions formed between these stopper portions and left and right outside walls of the air guide second end portion. The left and right side portions are movable so that they are opened when a person having small teeth marks bites the mouthpiece and are closed when a person having large teeth marks bites the mouthpiece. The stopper portion comes into pressure-contact with the outside wall of the inclined air guide portion, thus supporting the air guide portion.

REFERENCES:
patent: 4466434 (1984-08-01), Browstein
patent: 4862903 (1989-09-01), Campbell

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