US514879A - Self-closing cock or faucet - Google Patents

Description

(No Model.) j,

VT. BONYROE. SELF CLOSING GOGK'OR FAUGET.'

Na 514,879.' Patents@Fe b."13,1a94.

v l\\\\- y' UNITED STATESi PATENT OFFICE.

THEODORE BONROE, OF S'I. LOUIS, MISSOURI.

e sELF-cL'oslNe COCK 0R FAUcE-r.

SPECIFICATION forming part of Letters 'Patent No. 514,879, dated February 18, 1894.

.Application led April 24, 1893- Serial No. 471,602. (No model.)

To all whom it may concern:

Be it known that I, THEODORE BoNRoE, of the city of St. Louis and State of Missouri, have invented certain new and useful Improvements in Self-Closing Cocks or Faucets,

of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming a part hereof.

My invention relates to an improved cock or faucet applicable for various uses, and consists in the novel construction, combination and arrangement of parts hereinafter described and designated in the claims.

The object of my invention is to provide an improved cock or faucet of the class known as self-closing, which shall be very simple in construction, of low cost and immunity from disorder to a great degree during use.

In the drawings: Figure l is a sectional side elevation of a cock or faucet embodying my invention. Fig, 2 is a section on line X-X of Fig. 1.

1 indicates a fixed tubular portion of the` l shell, which may have its exterior tapered from end to end,'or otherwise arranged to engage a pipe, such as a lead-pipe, or an iron water pipe.

2 indicates the main body or shell, whichis made detachable from the ixed portion l, in any preferred manner although I here show it threaded into the end of said lixed portion.

The shell 2 is provided with the usual discharge spout or opening 3, which may be madeto assume various forms for various purposes, such for instance as that here shown, which is adapted for use when the device is applied with its stemin a horizontal position, and used as a water-faucet for a wash-basin or a sink, while if' the stem be located in a vertical position, the form of the spout should have the contour indicated by dotted lines in Fig. 1. The shell 2 is made hollow, with a longitudinal passage 4 thereto communicating with the interior of the discharge spout 3. A straight stem 5 is mounted in the longitudinal passage in a manner which will permit it to be longitudinally reciprocative and axially revoluble. jects outward through the shell 2 and its free outer end isprrQSZggewd with any known form of operating handle or knob,or it may be a le- One end of the stem 5 pro=-A Ver, which I will designate by the numeral 6. Leakage past the exterior of the stem 5 is prevented by any ordinary stufng box 7, formed upon the said shell so that said stem will work therethrough.

The end ofthe shell opposite the stufling box 7 is provided with a cylinder' 8, one end of which is formed integral with or attached to said shell and the opposite end of which is free and projects within the interior of the fixed portion l a considerable distance beyond the point at which said shell and said fixed portion are united, so as to form an annular space 9 around said cylinder. The cylinder is constructed with its interior in a straight line, and in alignment with the stem o. The interior of the bore of said cylinder is smooth. A series of radial perforations 10 are formed in said cylinder, preferably in the form of an annular 'series at a point some distance from the free end thereof.

Mounted upon the inner end of the st'and Y 5 is a valve or piston ll. This valve or pis` ton I prefer to make in the form of a cup constructed of leather or other suitable material. This cup is attached to said stem by means of a screw 12, passed centrally through it, and'threaded into the end of said stem, a washer 13 being located upon said screw between the head thereof and the said cup. The cup 1l thus has its closed end next to the stem 5 and its open end adjacent the open fre'eend of the cylinder 8.

The operation is as follows: Water or other fluid entering the cock or faucet, passes inward in the direction indicated by the arrow, and fills the annular space 9 as well as the cylinder 8, but so long as the cup 1l and the stem 5 which carries it are in the position shown by solid lines in Fig. l, noiwater or liuid can pass by said cup, unless there be a leak, and the pressure will be exerted upon the open end of said cup and tend to spread it, thereby forming a tighter joint with the interior of thel said cylinder than existed prior to the exertion of such pressure. The press- ICO cup is in normal position no fluid can pass by it. When it is desired to permit the passage of fluid pressure is exerted upon the handle 6 with sufficient force to overcome the force of the pressure upon the cup l1, which will have the edect of moving said stem and said cup toward the free end of the cylinder S, until said cup passes the holes or apertures 10 in the cylinder as indicated by dotted lines in Fig. 1. The holes or apertures 10 will thus be uncovered, and the fluid will have a free passage from the annular space 9 through said holes or apertures and into the longitudinal passage 4, and make its exit by way of the spout 3. Upon releasing the handle G, the pressure of fluid upon the cup 11 causes it to resume its normal position.

14 indicates a suitable stop or shoulder located upon the stem 5 within the shell 4 and adapted to contact with said shell and limit the upward movement of said stem. The handle G contacting with the stuffing box 7, or a part of the shell, limits the downward movement of the stem. The shell 2 is-preferably made detachable from the fixed portion l of the device, by providing the exterior of the cylinder 8 with a screw thread 16, and causing this screw thread to engage a thread formed upon the interior of the adjacent end of said fixed portion. This construction will permit said shell carrying the movable parts of the faucet to `be readily detached for access to the cup 11, and for cleaning purposes, dac.

The construction above described is such that a self-closing faucet is provided, in other words there is during use such a predominance of pressure at all times upon the open end of the cup 11 as to normally retain same in a closed position. This self-closing function may be more or less marked, according to the construction of the parts. For instance, if the total area of the openings or perforations 10 is equal to the area of the open-end of the cup 11, there will beno predominance of pressure upon said open end of said cup, when it is located in an open position, between the apertures l0 and the free end of the cylinder 8, for the reason that with the cup in such position the pressure upon both sides of it or both ends of it is about equal. But it' the combined area of the openingsor perforations in the cylinder is considera-bly less than the area of the open end of said cup, a comparatively quick operating self closing faucet will be provided. In this latter case, I provide improved means for retaining the faucet in an open position, as follows: I make the stop 14 in the form of a pin driven into a transverse aperture formed in the stand 5 so that its opposite ends will project, and when it is desired to lock the stem and valve at the limit of their inward movement, said stem isrotated a slight distance until one of the projecting ends of said pin engages a web or projection 15 projecting upon the inner surface of the shell in the path of said pin. Areverse movement,orafurther rotation of said stem releases the pin from said projection 15.

I am aware that a water-bib has been constructed with an internal nozzle provided with a series of apertures arranged to be closed by a leather valve which reciprocates within said nozzle, and provided with means which limit the downward movement of said valve within said nozzle, so that said valve can pass beyond said apertures in one direction, but is prevented from passing beyond them in an opposite direction. But, in such construction the normal position of the valve is in contact with such apertures, and I therefore make no claim to such construction.

I am alsoaware that when a4 relief cock has been constructed with two valves seating` in the same direction within a shell or casing` and mounted upon a push-bar, and the push bar having at one end a spring and having` on it a projecting pin adapted to engage in an L-slot in the casing for locking said valves in an open position, and I make no claim to such construction.

Vhat I claim is l. An improved cock or faucet, having a fixed tubular portion 1, a shell 2 provided with a discharge spout or opening 3 and with alongitudinal passage 4 communicating with the interior of said discharge spout, a straight stem 5 mounted in the longitudinal passage to reciprocate longitudinally andrevolve axially therein, one end of said stem projecting outward through said shell, a knob or handle 6 located upon the outer endof said stem to form a stop to limit the inward movement of said stem, a stuffing-box 7 formed upon said shell so that said stem will work therethrough,-

and with which said knob contacts tolimit the inward movement of said stem, a cylinder 8 having its inner end secured to said shell and having exterior screw-threads adjacent said end, said xed portion being internally screw-threaded and mounted upon said cylinder, the opposite endof said cylinder being free and projecting within said fixed-portion a distance beyond the point at which said shell and said fixed-portion are united, soas to form an annular space 9 around said cylinder, said cylinder having a series of radial perforations 10 formed therein at a point some distance from its free end,\a valve or piston 11 mounted uponthe inner endA of the stem 5 and madein the form of a cup, ascrew 12 passed centrally through said cup and threaded into the end-of said stem,the closed end of said cup being next adjacent said stem and its open end adjacent the open free end of said cylinder, and a stop fixed upon said stem to limit the outward movement thereof and permit said valve to pass and rest entirely out of contact with said perforations when moving in one direction, said knob 6 permitting said valve to pass across said perforations and entirely out of contact therewith and upon the opposite side thereof when IOO IIO

cylinder 8 having one of its ends attached to said shell and its opposite end free, saidfcylinder-having an annular series of radial perforations 10 formed therein at a-point some dis-v tance fromits free end, a valve mounted upon said stem in said cylinder and adapted to engage the same at points on opposite sides ot' said annular series of perforations, means which hold said valve normally out of contact with said perforations, a pin le driven into a transverse aperture formed in the stem 5 so that its oppositeends project on diametrically opposite sides of said stem, means for limiting the inward movement of said stem and valve after said valve passes out of contact with said perforations, and a web or projection formed upon the inner surface of said shell in the path of said projecting ends of said pin, to be engaged by said ends to lock said stem and valve at the limit of their inward movement and hold same thereat with said valve out of contact with said perforations, substantially as herein specified.

In testimony whereof I affix my signature in presence of two witnesses. 1

THEoDoRE BoNRoE.

Witnesses;

EDWARD E. LONGAN, JNO. C. HIGDON.

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