Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate
2000-12-13
2003-02-04
Lewis, Aaron J. (Department: 3761)
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
C128S201280
Reexamination Certificate
active
06513525
ABSTRACT:
FIELD OF THE INVENTION
This invention relates a triplicate Diving Gas Valve Device, more particularly it relates to one triplicate Gas Valve Assembly which is to be used in conjunction with a Compression Cylinder for a three-in-one purpose including: siren alarming, Life Coat inflation and facilitating User Diver's Respiration.
BACKGROUND OF THE INVENTION
Among the paraphernalia which a diver equips himself for a diving operation, nowadays or earlier, the Compression Cylinder is used to contain compressed air which is be released by way of a Breathing Mouthpiece to keep the diver respiring as usual while diving underwaters. Additionally, the same Compression Cylinder is associated with a Buoyancy Compensator Jacket, to be termed Life Coat for short herein by means of an air hose which incorporates charge valves and discharge valves to control the charging or discharging of air so as to adjust the buoyancy of the Life Coat when the diver is physically submerged underwaters.
There is another equipment indispensable for a diver ready to go for diving activities, and that is the alarm device serving to release vocal signals appealing for help in case of emergency. In a conventional design, the alarm device owes its intended signalling sounds to the vibration occasioned by a pressure differential which occurs repeatedly on both sides of a diaphragm because of compressed air supplied by the Compression Cylinder, whereupon the appeal for help is served. Regrettably, however, it is a pity to realize that such a diaphragm vibration mode of actuation which depends on a change in air compression will be defeated completely once the diver dives underwaters because the water, marine or riverine, will then seep into the diaphragm or speaker, rendering the alarm device totally inoperative. So in fact and indeed, an alarm device as such is good for use on the surface only, and it will be good for nothing in so far as underwater activities are concerned. So the reasoning becomes that, should anything happen to a diver while pursuing diving activities underwaters, such as, for example, body failure, or diver's professional disease, or discomfort due to want of oxygen, or even sudden attack by the shark, he would not be able to keep fellow divers timely informed around, and the diver in question would face impending danger with his life at risk, all that suffices to pointing to present insufficiency with existent conventional diver's alarming facilities which warrant immediate improvements the sooner the better.
One notes with no less regret to see that almost all the diver's air valve supplies of conventional design available on the marketplace feature but one, but never all of the triplicate functions as aforementioned, namely, alarming siren, inflation of Life Coat and facilitation to diver's respiration while active underwaters, the best to expect is to see two of such triplicate functions realized on a single Air Valve Assembly, but again, never all the indispensable features combined in any one single Air Valve Assembly, let alone being light-weighthed, and compatibility for single hand operation at the same time, such that in practice, with a conventional design, owing to the want of a suitable gas conduit means on the air valve, at least two air hoses must be interconnected with the compression cylinder to run respectively to gas valves bearing different functions, and that means lots of inconveninece for operation, besides, with such design, the diver will have to spend extra money to buy different gas valve units, from which a need for improvement is felt automatically.
More to mention, with a conventional design respiratory mouthpiece, due to want of a suitable shunt, that is, bypass means, compressed gas supplied from the Compression Cylinder can very often rush straight into diver's throat, resulting in much discomfort to the diver while breathing, and that is also a shortcoming justifying immediate correction.
In view of all the drawbacks and shortcoming enumerated in the foregoing, all associated with prior arts, the inventor has been betaking himself to working for improvement backed with several decades of experience accumulated in the production of all sorts of diving equipments as well as practicing of academical principles, and who has finally come out with the, present invention which eliminates all at once all of the aforementioned shortcomings known in the art, up to this day.
SUMMARY OF THE INVENTION
Accordingly, the primary object of the invention is to provide a Triplicate Diving Gas Valve Device featuring triplicate Alarming Siren, Life Coat Inflation and Facilitation to Diver's Breathing purpose and that achieved in a manner more convenient, cost efficient than any prior art.
A further object of the invention is to provide such a Triplicate Diving Gas Valve Device in respect of which the Alarming Siren sub-assembly is good for operation both underwaters and on the surface, more specifically, said Siren will effectively release acoustic warning signals while the diver equiped accordingly is engaged in activities underwaters so that the warning signal may reach other people around in time, highlighted in structural simplicity, compact volume facilitating ease of carriage and ease of use, the subject Triplicate Diving Gas Valve Device may be used in conjunction with Compression Cylinder, Life Coat and Respiratory Mouthpiece, manipulated using one hand to serve the purpose of Life Coat Inflation, Deflation, Transmission of the Alarming Siren to appeal for Help, as well as breathing by means of compressed air supply, it is so delicately structured that exposed in a water setting the frictional resistance may be kept to the minimum, other advantages realisable with the invention include lowered production and installation costs.
A further object of the invention is to provide such a Triplicate Diving Gas Valve Device which incorporates a shunting block at a suitable location on the Respiratory Mouthpiece as a part thereof, serving to block the incoming supply of compressed air flow so that the flow will pass to the flank on both sides instead, restrained from plunging straight into Diver's throat, so that while breathing underwaters the Diver will not feel ill at ease at all.
To achieve any and all of the purposes set forth in the foregoing, the subject Triplicate Diving Gas Valve Device is recommended for use together with a Compression Cylinder to best serve the alarming Siren Warning, Life Coat Inflation and Facilitation of Diver's underwater Breathing purposes, structurally the invention Triplicate Diving Gas Valve Device comprises:
Body which is furnished with a number of orifices each being selectively linked within so that a plurality of inter related, insulated, isolated spaces are formed within, on one side of the Body is disposed a blocking film which is applied to cover up the first orifice, also a first locking & Fastening means which is coupled to said blocking film and to be locked, secured to the first orifice side on the Body, and a third orifice which is accessed eventually to the Life Coat;
A shunting means housed in the Body and furnished way between the first orifice and the second orifice, which shunt means further incorporates an intake coupling of which the interior is in the form of a hollow-set gas conduit extending axially, to an internal end of the intake coupling is licked a hollow-set big sleeving by means of a hollow-set binder, into the big sleeving is seated a screw capable of effecting linear glides therein, to one end of said screw is attached a minor sleeving, symmetrical with respecting to the binder, to the same screw is mounted a first spring whose resetting resiliency suffices to bring the minor sleeving tight-sealed to said binder free of external stress, a sway arm has one elbow attached to the screw, another elbow in contact with said blocking film, on one end of the intake coupling is fitting an intake means projecting outside the second orifice and accommodating the Compression Cylinde
Lewis Aaron J.
Mitchell Teena
Troxell Law Office PLLC
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