Regulator for underwater breathing apparatus

Details Regulator for underwater breathing apparatus Regulator for underwater breathing apparatus

2005-02-01

2005-02-01

Bennett, Henry (Department: 3743)

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

C128S205240

Reexamination Certificate

active

06848445

ABSTRACT:
Regulator for underwater breathing apparatus including: a box-like body having a mouthpiece; and air inlet ducts connected to said box-like body through an inlet valve; one or more exhaust duct connected to the box-like body; a flexible diaphragm frontally positioned on the opposite side as to the mouthpiece and co-operating with an opening or closing lever of the inlet valve, the regulator includes a manually operable limiting device operable from the outside and movable from a first position, where it allows limited movement of the lever inside of the box-like body, to a second position where it allows unlimited movement of the lever inside of the box-like body.

REFERENCES:
patent: 4010746 (1977-03-01), Pedersen
patent: 4041977 (1977-08-01), Matsuno
patent: 4572176 (1986-02-01), Walther
patent: 5233976 (1993-08-01), Ferguson
patent: 5251618 (1993-10-01), Christianson
patent: 5503142 (1996-04-01), Semeia
patent: 5970977 (1999-10-01), Sattelberg
patent: 6609519 (2003-08-01), Pietrelli
patent: 6681766 (2004-01-01), Matsuoka
patent: 6715488 (2004-04-01), Matsuoka
patent: 6718976 (2004-04-01), Matsuoka
patent: 6718977 (2004-04-01), Matsuoka
Cited Ref. Re'd @Apr. 16, 2003.

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