US1871579A - Float valve - Google Patents

Description

Aug. 16, 1932. s. F. BAsHARA FLOAT VALVE Filed sept. 15. 1929 I N VEN TOR.

A TTORNE Y.

Patented Aug. 16, 1932 UNITED STATES SAMUEL F. vIBASIHIARA, AOF HOUSTON, l

' FLOAT vAtvr:

Application led September 13,112.29. SeriallNo. 392,379.

The invention relates to an improvement in float valves such as are usually employed in the tanks or reservoirs of toilet stools.

In the water tanks of toilet stools'the discharge passage is usually formedby an up-x` standing pipe and in this pipe a float valve is adapted to seat to prevent the escape of the water. Diliculty is encountered however in that either or both the pipe and the valve become rusted or corroded and scale forms upon them which prevents a'complete seal. Various types of valves have been constructed in an attempt to obtain aleakproof seal. It is with this problem in mind that I have devised the present structure to bel attached in the tank. i

It is one of the objects of the invention to provide a simple and economical float valve and seat therefor so that the seating faces may both be formed of exible material.

Another object of the invention is to arrange the seating ring upon the valve so that it may be readily replaced when desired.

Another object of the invention is to provide a metal supporting portion for the flexible valve seating ring. Y

' Another object is to'arrange a removable seat for the discharge pipe of the tank.

Other and further objects of the invention will be readily apparent when the following description is lconsidered in connectionwith the accompanying drawing wherein:

Figure 1 is a central vertical section of the tank discharge pipe equipped with my improved seat and showing my improved float valve seated therein.

Figure 2 is a side elevation of the valve and seat in a position with the valve raised slightly from the seat. Y

Figure 3 is a perspective view of the flexible sealing ring removed from the float valve. Y

Figure 4 is a sectional view of a toilet tank and stool equipped with my improvements.

A tank is indicated at 1 in Figure 4 and is usually mounted as shown above and to the rear of the stool. A dischargepipe 3 leads from the base of the tank` and is held in position by a fastening 4. 'The stool 5 is formed v of'porcelain or suitable Vmaterial and has a water passage V6 passing around the upper rim 7 A plurality of small openings-8 permit the escapeof the water into the bowl 9 of the stool.

In the tank or reservoir which is usually Y 'provided' the-discharge pipe 3 .extends upwardly from the base of the tank a short distance. Within the top of this pipe ythe iioat valve 20 is arranged to seatand prevent the escape ofthe water. To insure an accurate sealing of the valve I have shown a seat 21 which may be off'rubber orsuitalole compo- Y y sition; this seat being shown in section in Figure 1l and inelevation in'Figure 2. f It will be noted that itis aring having anupr wardly extending annular groove 22 on the lower side thereof. This groove is arranged torece'ive. the top of this pipe 3. The inner. upper surface of the 4seat is tapered at 24 to form-a seating surface for the float valve. This seat Vmay be-removed for cleaning or replacement and dueto the resiliency of the material will remain in position when once forced onto the pipe 3. v

The iloa-t valve 20 comprises a nut 30 adapted tobe threaded onto av bolt 31 which has a Y head 32. A cap 33having a central opening' therein to lreceive the bolt 31` forms 4the top of my improved float valve. This cap is preferably a stamping of metal such as copper or aluminum but may be made of hard rubber or composition material and haisfan outstanding flange or rim 34 upon itslower edge. Figure l'shows portions 35 of this flange 34-as having been stamped upwardly and adapted to engage a lug 36 which has been similarly stamped V from the Harige 37 of` the'base cup 38.1 The baseY cup 38 is also a stamping of metal or may be molded if desired but is of the same diameter K .as the cap 33 so that the flanges 34 and 37 may l be placed in Contact. While l have described this capv and cup as being connected by the lugs 35 and 36 I may eliminate theselugs and depend wholly upon the sealing ring 40 toretain them together. Y

Theseating ring is another novel portion of my invention and it is best seen in VFigure 3. It is preferably a ring of molded rubber or exiible composition Vand 'of such a diameter that it will have to be extended to be passed over the flanges 34 and 37. The ring is formed with an annular groove 42 to ref ceive the abutting flanges 34 and 37. This groove may or may not be dovetailed in cross section but is preferably Jformed to firmly grip the .langesand .if desi-redmay omn the sole means @of connecting the Cup :and-,cap

It will be noted that another groove 43 lis formed in the seating ring 40. This groove is So located that the ringwillmerrnally en gage the seat 21 opposite this groove. Thus an air space to form a cushion eil'eot isprovided and will materially v-add to the life of the satisfactory operation ofthe device(V However, if desired, agsrnall ringoisponge l rubber or :other zmaterial dierent finlits `de# greefoi* eonipressibility than .the be inserted in this groove. Y

v With. the fseat andfseating aringfof :flexible 'il material in .the :tank a perfect seat is assured and scale Willnot form upon theseatingurreadily installed in tanks already inrserv'ce and will insure-asatisfactory openationethereafter, f Y z,

. Having described Vmy invention -fvvliatI desire to secure by Letters 'Patentisn Y l. ,Ailoat valve including 1in combina-tion a nap.7 aeupsaid capy and cup having outstandinglanges adapted to abutfmeans ifor retaining said .flanges 'fin abutting irelaton; anda-seating ring of flexible `material .overlying said A Ha-nges, saidlneans including-interengaging outstanding :lugs @on said ilanges. 2. A seatingV ring orgtloat valves :including :an .annular lring of yrubber, .a groove Ion the inner faeeof said ringadaptedto aengage over the flange of thevalve bodysandaeseoond ,groove adapted V'to form anair space libetvveengtlie -valve body :and the rin-gadjacent the ipoint offseating. Y Y

3. Aseating ring for .floatvaflves including an [annular ring of rubber, :a groove ton the inner ifaee of said rin-g: adapted t0 `engage olverthe langefof the 4valve ybodnza second groove insaid r'ing,.and;afband 'of material more resilient Ethan said ring eada'pted dor insertion in said seoondgroove.

l fIn I testimonywvhereof I hereunto :aiix any signaturetlis 10th day of September, Aj).

Y `SAMUEL Bastian-A.

ringfLO/Inay Y

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