US1294246A - Hand-operated nebulizer. - Google Patents

Description

F. c. Donn/15m. HAND OPERATED NEBULIZER. APPLICATION FILED JUNE 20 19H.

Patented 11911111919.

ATTORNEY v n.: mums uns cov, mamunw., nummern, n. c.

UNTTED STATES PATENT OFFTCE.

FRANK C. DORMENT, OF DETROIT, MICHIGAN, ASSIGNOR TO THE ROGERS ELECTRIC LABORATORIES COMPANY, OF CLEVELAND, OHIO, A CORPORATION OF MAINE.

HAND-OPERATED NEBULIZER.

Specification of Letters Patent.

Patented Feb. 11, 1919.

Application led J une 20, 1531.7` Serial No. 175,772.

To all whom t may concern:

Be it known that .1, FRANK C. DORMENT, citizen of the United States, residing at Detroit, in the county of Wayne and State of Michigan, have invented certain new and useful Improvements in Hand-Operated Nebulizers, of which the following is a specilication.

The invention relates to a nebulizing or atomizing device adapted for personal use in applying medicaments to the nostrils or throat as well as for other purposes, such as spraying the face with antiseptics after shaving and for applying perfumery and the like, all substantially as shown and described and particularly pointed out in the claims.

1n the accompanying drawings, Figure 1 is a vertical sectional elevation of the device taken through the body and nozzle thereof, and Fig. 2 is a sectional elevation at right angles to Fig. 1 on a line corresponding to 2 2, Fig. 1. Fig. 3 is a plan view on line 3--3, Fig. 1, and Fig. 4 is a plan View on line 4 4, Fig. 1. Fig. 5 is a detail of the flexible disk at the bottom of the body next beneath the spring therein.

The device as thus shown is a comparatively small article, having a cylindrical body b less than three inches in length as ordinarily made and cast or provided with a cup or well 'w upon the outside thereof at an inclination to the body and adapted to receive the medicament or other liquid, or powdered substance if found useful in this way.

The body b also has certain other distinguishing characteristics, such as the false disk shaped bottom 2 which is supported about its edge slightly above the bottom proper 3, to provide an air space which is open to the air inlet perforations 4 about the side and bottom of the body, and said false bottom has a central opening 6 and is overlaid by a leather or other iiexible disk d which has a flap valve o at its middle normally adapted to close the said opening 6. A spiral wire spring s bears upon said disk and holds it down in place, and the plunger piston 7 bears on the top of said spring and is raised thereby on the return stroke after each operation or depression of the plunger. A cap c with an annular iange is screwed into the top of body Z) and limits the up stroke of the plunger, and said plunger has a stem 8 projected through said cap and provided with a button 9 on its top adapted to be engaged by the finger to depressthe plunger and thus operate the device. Or, in case theidevice is to be packed for shipping or the like, the plunger can be depressed its full stroke and held down by means of the pin 10 transversely through the top of the stem entering through the corresponding slots 11 in the cap and adapted to be rotated to bear against the bottom of the cap and to be held down. thereby.

The cup or well 'w is preferably of conical shape, tapering downward, and has an annular portion or extension about its top in which the hood 14 of the nozzle member fn. is seated with a close fitting screw engagement. The said nozzle member or nozzle proper has an annular inward extension 15 projecting centrally into said hood 14 and is of su-ch depth as to provide an annular chamber or space between the wall of said extension and the wall of the hood which will receive the liquid in case the device is turned over or inverted and prevent possible spilling or leaking out of the liquid.

Now, the means entering more directly into the nebulizing or atomizing operation or efl'ect comprise a pipe or stem 18 which projects upward centrally in the well w to a point just beneath the extension 15 of the nozzle and has an air duct 2O which leads into the bottom of body b and opens into said body through a recess 21 in the edge of disk CZ. The said stem or pipe 18 also is provided with an externally threaded enlargement at its top provided with two small slots or channels 22 lengthwise externally, and a tubular nipple 25 is sleeved over the said stem, and is of such larger dimensions than the said stem in cross section as to leave an annular space between the same and the stem to provide a channel for the liquid from the well 'w under the suction induced b-y the plunger in said space. To this end the nipple extends into said well relatively near to the bottom thereof and dips into the liquid therein, and is screw threaded onto the upper end of the stem over the channels 22 and is provided with a head having an internal spa-ce about the point of the stem 18 and a central orifice through which the spray is delivered into the nozzle n.

It will be noticed that the said nipple projects slightly into the inner nozzle extension 15, and is in such relations thereto that injection' is forcibly sustained through the nozzle notwithstanding air that is entrained therewith from Within the hood 14. In fact I rind that I can employ a baille or dash 30 in the line of the injection and Which in this instance is in the form of a damper in a stove pipe and fixed on a rotatable spindle 31 in aswell n the nozzle. The said baffle may be turned more or less, and in any position contributes to the nebulization of the fluid Without detracting from its delivery inthe desired force and volume. A tapered rubber ring-shaped guard or stopper surmounts theV nozzle mand is especially adapted for nasal injection or inhalation.

What I claim is:

LA device as described having a hollow body and a laterally inclined liquid receptacle rigid with the side thereof provided witha separate hood and aseparate nozzle mounted on said hood and projecting therein,in combination With nebulizing means for the liquid projecting into said receptacle and in fluid-tight relation therewith and comprising a pipe stem having an air duct through the same open to the bottom of said body, and a tubular nipple sleeved over and apart from said stem having its point of discharge Within'V the mouth of said nozzle and itslower end open and adapted to dip into liquid in the receptacle.

2. A device as described having a hollow body provided With openings to receive air through the bottom thereof and to discharge the air therefrom and a piston therein, and

a liquid receptacle fixed to the side of said body, a pipe stem having an air duct open to said body and extending into said receptacle through the bottom thereof and provided With an externally threaded top portion having air channels lengthwise on its outside across said threads, a tubular nipple sleeved over said stem and having screw engagement :with said top portion and dipping into the bottom of said receptacle, a

dome on said receptacle and a hooded nozzle fixed in said dome in line With said nipple and pipestem and surrounding the point oi said nipple.

3. In a hand operated nebulizer, a holloW body provided with openings to receive air and to discharge kthe air therefrom and a piston therein, a liquid receptacle fixed toV the side of said body, a pipe stem having an air duct open to said body and extendingy Signed at Cleveland, Vin the county ofV Cuyahoga, and State of Ohio, this 23rd day of May, 1917. Y

FRANK C. DORMENT.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents,

Washington, D. C.

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