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May 16, 1950 p. s. Madsen 2,507,535
Filed April 3, 1946 2 Sheets-Sheet 2
This-invention relates to bath spray -or like connectors, and more particularly to those in . which the.bath spray:or:like device is.provided with a connector • in-.,the - nature of a faucet adapter in order that the: appliance may be used •successfully in- connection with faucets of different shapes and sizes.
An object of the.-invention is to-provide a. simple, inexpensive, form; ofcconneetor :by, which the appliance can be connected to any. one of a .large number-of-'different, faucets.
Another object is to provide a faucet adapter meeting a large number-of conditions of use.
In the accompanying drawings:
Fig. 1 is a side elevation of a connector embodying the invention, illustrating; the same as carried by a bath-spray hose of rubber;
Fig. 2 is a top plan view of the device of Fig; 1;
Fig. 3 is a section on line S—8: of: Fig.: 1;
Fig. 4 is an enlarged: sectional view showing the upper or auxiliary member removed;
Fig. 5 as a sectional view of the npper or auxiliary member;
Fig. 6 is a sectional view showing the assembly of Fig. 3 applied to a faucet;
Fig.' 7 is a view similar to Fig. 6 illustrating the action of the device when water is flowing;
Fig. 8 is a view similar to Fig. 7 showing the device applied to a different kind of faucet;
Fig. 9 is a section on line 9—9 of Fig. 8;
Fig. 10 is a sectional view showing the use of the device with a faucet of a different kind; and
Fig. 11 is a sectional view of a modified form of main casing member.
In the device illustrated on the drawings, there is provided a casing adapted to be used as a connector applicable to faucets- of different kinds and sizes, said casing being a flexible casing made of rubber,'the term "rubber" being used in the. broad sense. This casing is made of two principal parts, one being a cup-like part connected at its lower portion, as Illustrated in Figs. 1 and-3, to a flexible hose or tube, such as commonly used in connection with a bath spray or like appliance.. "The casing part referred to is open at the top- and contains within its upper portion a -second part adapted'to engage a-faucet, the second part in this particular 'instance being supplied exteriorly with a flexible -flange by means of which' it is detachably engaged-with and held within the first casing, part. The- second, casing part has a funnel-like: upper: portion and a lower sleeverlike : portion: adapted: to :eng3ge:.the:side;surfaceofa rfaucet, .the;sleeve-like^ portion projecting down-,
wardly into a chamber with-which the-first part is provided. The first part,: moreover, isr-provided in a location below the sleeve-like -portion with a passage leading to the.flexible hose and-adapted
5 to serve as. a retarder: or pressure-creating.-means in the use of the device, as will-,hereinafter..be more particularly described.
In the.drawings,: the first casing,-part referred to above is illustrated- at-15,. the same-being-se
10 cured to the -end :portion of ^rubber shose S6. The second casing -part,:which: is the ^upper or the auxiliary part, is shown-at. n, the same having a lateral flange-18-:by-which-it is detachably held in the part 1-5. The;sleeve-like-,portion: of
15 part i7 is indicated at-49,:the.-same,:.projecting downwardly: into a. chamber 20-:-ofh-part--l5. In
- the lower portion, .of part-, 15 and inline with-the sleeve-like portion H is . the retarding- passage ?A in communication with a ferrule 22 leading
20 into the hose-!8. The part II: as illustrated has an open upper end which flares from' the: sleeve portion is to this end, as shown in .-Fig.-3.
Referring now to the-details, it wuhbe-seen that the main casing part 15 made of flexible vulcanized rubber: is characterized -by a cylindrical projection 23 at the lower part- with which is integral a generally conical portion M in' which chamber:20 is provided, and that intergral with portion'25 is a mouth portion-25. "The'mouth
30 portion ~25 • has an: external:cylindrical surface 28, arid in the mouth portion is. a: generally conical upwardly: flaring recess 27 leading to the; upper end of the part i5. Above: the cylindrical surface 26- there is provided a lateral: flange: 28 of
35..u angular section-whereby;;the: flexible wall of the article is somewhat thickened, adjacent the upper end of the recess 27.
The recess 27 leads downwardly to the chamber 20 and provides a . round aperture-of less
40 diameter than-the upper .part of the-chamber SS .so that there'isr.thus provided--an; overhanging portion or shoulder 29 that;provides: .an upper wall for the-chamber and which acts as-a holding shoulder in. connection with . the flange 48
45 above mentioned. .By:reference to Fig."4;: it-'will be seen that immediately above .the:chamber .20 the wall of the casing is . quite thick-and that from this region the thickness -decreases pro
- gressively in. an upward, direction substantially 50 to the mouth of the flaring recess 27. The portion 24 of the casing- being substantially conical,
: the ceiling provided, for the chamber 20 in this portion is of substantially greater diameter than the floor portion 38 of. this chamber. 55 From the floor of the chamber the- retarding
passage 21 extends downwardly. This passage may, as shown, have a cylindrical inner surface 3f upon which are provided a number of transverse ribs 32 projecting inwardly. The inner surface of chamber 2! being cylindrical, and the outer surface of the casing in this region being conical, the thickness of the casing wall from the floor of the chamber 20 substantially to the downward projection 23 diminishes progressively in a downward direction. The ferrule 22 mentioned above may be made of a suitable metal, and it may serve as a liner for the projection or sleeve portion 23, and the ferrule may have a flange 33 at its upper part overlying the floor of the retarding passage 21.
The sleeve portion 23 is inserted in the rubber hose 16, and the hose is fixed on the sleeve portion in a suitable manner as by cementing.
In the modified form shown in Fig. 11, the downwardly projecting sleeve portion and the ferrule are omitted, and the hose is extended into the body of the part 15' and secured therein. In the form of Fig. 11, the part !5' is provided at the lower end with an opening 34 into which the upper end of the hose 16' is extended. In this case there is a small chamber 35 below the retarding passage 2i' and the hose IS' has an integral elastic end flange 36 disposed in this chamber in a manner to attach the hose to the casing part. Usually the hose of the type shown in Fig. 11, if used, is cemented in place in the apertured flexible lower end portion of the casing.
Referring now to the form of the upper or auxiliary part 17, it will be noted that this part is in general of conical formation, although in this embodiment there is an upper end portion 37 having a cylindrical outer surface, said portion when the two parts of the casing are assembled extending upwardly from the lower part, as shown in Fig. 3. Below the portion 37 the outer surface of part II in a location above the flange !8 is conical, as indicated at 38, and the external surface below the flange is conical, as indicated at 39, this surface 39 being formed upon the sleeve portion !S previously mentioned. The inner surface of the sleeve portion !9 is cylindrical, as indicated at 40, and this cylindrical surface 49 preferably extends approximately to the level of the upper surface of the flange 18. Above the sleeve portion 19 the inner surface of this casing part is conical, as indicated at 41, and within the upward extension of this casing part the inner surface is conical, as indicated at 52, although here the inclination of the surface 42 to the vertical is less than the inclination of surface 41. At the upper or rim portion of the extension above mentioned, the easing is provided with an inwardly extending flange 43 which is preferably rounded over at its inner surface. By providing this flange 43, a good grip on the upward extension of part 17 can be obtained in order to facilitate the removal of this part from the main casing part.
It will be understood that the main casing part and the auxiliary part are resilient and flexible, and that the main casing part can be opened up or stretched to receive the auxiliary part and to disengage the auxiliary part when the latter is pulled out of the main part. When the members are in the relation shown in Fig. 3 the auxiliary part is under some compression by reason of the surrounding elastic part, and the auxiliary part is effectively held against accidental dislocation. In this position, the surface 33 of the auxiliary part substantially conforms to the surface 27 of the main part. 7g
With reference to the wall of the auxiliary part 17, it is noted that in the sleeve portion 19 the thickness decreases progressively in a downward direction, as shown in Fig. 5. Above the sleeve portion there is, in this particular form, no great variation in the thickness of the wall up to the upper extremity. The flange 18 is substantially at the upper end of the sleeve portion, and above this is the substantially conical body, and above the conical body the substantially cylindrical upward extension.
The appliance described can be used with a large number of faucets differing in shape or size, or in both shape and size. It is impossible to illustrate all of the various faucets, but some examples are shown in the drawings.
In Figs. 6 and 7 there is illustrated, by way of example, a faucet 44 having a downturned free end portion 45 of round cross section. In using the appliance with such a faucet, the two parts of the adapter assembly are used, the adapter being placed over the faucet end in a relation such as shown in Fig. 6, with the extremity of the faucet engaged in the sleeve portion !9. This expands the sleeve portion and causes its inner surface to be tightly engaged with the side surface of the faucet. The end of the faucet may project downwardly to the extent shown in Fig. 6, but this is by way of example only. The curved portion of the faucet between the lateral portion and the extremity is, as shown, received in part within the cylindrical extension of the auxiliary member. When the faucet is turned on, water passes downwardly to chamber 20 and then to the retarding passage 21 or 21'. A back pressure is thus built up in chamber 20, as shown by the arrows in Fig. 1, with the result that the sleeve portion is tightly forced against the faucet so as to provide a leak-proof joint around the faucet end. There is no leakage of water out of the upper end of chamber 29 because the water pressure holds the flange ID in tight contact with the overlying portion of part i 5 or 15'.
In Fig. 3,1 have shown the use of the adapter with a faucet 46 having a body of elliptical cross section and provided with a relatively short extremity 47 set at an angle so as to have a certain inclination. It will be seen from Fig. 8 how the upper cuplike part of the assembly accommodates itself to the faucet, and this is true also of the lower cuplike part which, in this instance, is somewhat deformed. Fig. 9 illustrates how the adapter conforms to the elliptical extremity of the faucet. The sleeve portion 19 conforms to the outer surface of the faucet extremity, and the action in excluding water from the upper part of the adapter is substantially the same as in the case previously described.
In Fig. 10, there is shown a faucet 48 having a downturned spout which, as customary in many faucets, is provided with a, flange and below the flange with external screw threads. In using the adapter with such a faucet, the auxiliary part is removed and the main casing part 15 or 15' forced over the spout. This operation is facilitated by the form of the mouth portion of the casing having its flaring inner recess and having a rim which can be stretched to a considerable degree. When the adapter is in place, the threaded extremity of the faucet is received in the chamber 20 with the flange of the faucet engaged with the overhanging shoulder portion of the casing, in the manner shown in Fig. 10. It will also be noted that the faucet extremity is in substantial contact with the floor of the