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US 5,687,712 AGranted
Underwater breathing apparatus
AssigneeScubapro Europe S.r.l.
InventorRoberto Semeia
Life of this patent
Estimating the term…
Abstract
Underwater breathing apparatus with improved ease of handling comprises a cylinder, a meter and a quick coupling on the cylinder and on the meter, together with a flexible hose having quick couplings at its ends.
Claims7
An underwater breathing apparatus comprising:
- (a) a cylinder;
- (b) a meter for measuring the pressure inside said cylinder;
- and
- (c) a coupling means for attaching said cylinder with said meter, the coupling means comprising a first portion attached to said cylinder and a second portion attached to said meter, said first and second portions being capable of engaging with one another directly or indirectly through a hose so as to couple the cylinder and the meter, and either said first portion or said second portion comprising a non-return valve.
1 more element
Dependencies are inferred from the claim text.