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  Quick connection, and liquid supply system provided therewithRelated Patent Categories: Baths, Closets, Sinks, And Spittoons, Tubs, Convenience Accessories, Means For Spraying User, Mounted On Support External To TubThe Patent Description & Claims data below is from USPTO Patent Application 20070180608. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] The present invention generally relates to quick connections, and liquid supply systems provided therewith. [0002] More particularly, it relates to quick connections for fluid systems, such as hydraulic and pneumatic systems for connecting a fluid source (source of liquid or gas) to a consumer of fluid (a working element etc.). Devices of the above mentioned general type are known in the art. However, the known devices frequently do not provide features enabling their convenient storage. It is therefore believed to be advisable to provide quick connections which eliminate the disadvantages of the prior art. [0003] A quick connection is disclosed in our U.S. Pat. No. 6,715,801. It has a body connectable to a fluid source, a fitting member connectable to the working element and axially movable relative to the body, and a locking member fixedly connected with the body for locking the body in the fitting member with one another in an assembled condition. It is believed that the known connections and liquid supply systems can be also further improved. SUMMARY OF THE INVENTION [0004] Accordingly, it is an object of the present invention to provide quick connection of the above mentioned general type. [0005] In keeping with these objects and with others which will become apparent hereinafter, one feature of the present invention resides, briefly stated in a quick connector for connecting a source of fluid to a working element, comprising a body connectable to the fluid source and having an axis; a fitting member connectable to the working element and axially movable relative to said body; and a locking member connected with said body for locking said body and said fitting member with one another in an assembled condition, said fitting member having a part provided with an outer conical surface which is insertable in an inner conical surface of a holder. [0006] A further feature of the present invention, resides in a liquid supply system, comprising a working element; a quick connector connecting a source of fluid to a working element, and including a body connectable to the fluid source and having an axis; a fitting member connectable to the working element and axially movable relative to said body; and a locking member connected with said body for locking said body and said fitting member with one another in an assembled condition and a holder for holding said quick connection, said fitting member having a part provided with an outer conical surface which is insertable in an inner conical surface of said holder. [0007] The novel features which are considered as characteristic for the present invention are set forth in particular in the appended claims. The invention itself, however, both as to its construction and its method of operation, together with additional objects and advantages thereof, will be best understood from the following description of specific embodiments when read in connection with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS [0008] FIG. 1 is a section of a quick connection in accordance with the present invention; [0009] FIGS. 2a, 2b and 2c are views showing a section side view, a section top view and an end view of a body of the inventive quick connection; [0010] FIG. 3 is a partially sectioned side view of a fitting member of the inventive quick connection; [0011] FIGS. 4a and 4b show a section side view and an end view of a closing member of the inventive quick connection; [0012] FIG. 5 is a view showing a fragment identified as A in FIG. 1; and [0013] FIG. 6 is a view substantially corresponding to the view of FIG. 1 but additionally showing a bracket in which a threaded part of the fitting member is retained and which is connected with a hand shower, as well as a threaded part of a body which is connected to a water supplying hose; and [0014] FIG. 7 is a perspective view of the device shown in FIG. 6. DESCRIPTION OF THE PREFERRED EMBODIMENTS [0015] A quick connection shown in FIG. 1 includes substantially three main components, namely a body 1, a fitting member 2 and a locking member 3. A sealing ring 4 is arranged in a groove of the fitting member. A spring 5 is arranged inside the locking member 3, and a spring ring 6 is arranged in a groove in its outer surface. [0016] The body 1 of the quick connection shown in FIGS. 2a, 2b, 2c has an opening 7, a flange 8, a cylindrical wall 9 with two protections 10 provided at two end sides, and two plate-shaped deflectable tongues 11 provided on the opposite sides. Each tongue 11 has a conical cross-section on the upper part with a projection 13 extending substantially radially outwardly and a projection 14 extending radially inwardly. One end part of the body has an outer thread 14, while the opposite end part of the body is provided with a ring-shaped groove 16. [0017] The fitting member 2 shown in FIG. 3 has a throughgoing opening 17, a threaded opening 18 and two grooves 19 and 20. One end wall of the groove 20 is provided with a rounded projection 21 formed for example by a radius. The groove 19 is limited by a side wall 27 with a rounded portion 28 formed for example by a radius. The threaded part of the fitting member in FIG. 3 is located at the right side of the fitting member. While inside the threaded part the above mentioned threaded opening 18 is located, the outer surface of the threaded part of the fitting member 22 is formed as a conical surface for the purpose which will be explained herein below. [0018] The closing member 3 is shown in FIG. 4. It has an opening 23, an inner flange 24 which extends radially inwardly, two slots 25 located at opposite sides, and a ring-shaped groove 26. [0019] The quick connection in accordance with the present invention operates in the following manner: [0020] The body 1 with its threaded portion 15 is connected to a source of supply of liquid or gas, for example by a nut connected to a hose. The second component of the quick connection, namely the fitting member 2 is connected with a corresponding thread of the working element by the threaded opening 18. By moving of the closing member 3 with compression of the spring 5 to an extreme position, the inner flange 24 releases the tongue 11, so that the tongue 11 opens during movement of the fitting member 2 in the body 1, with action of the end wall 27 and the rounded portion 28 on the projection 14. During a further movement of the fitting member 2 inside the body 1 to the extreme working position, the groove 20 reaches the zone of the projection 14, and when the locking member 3 under the action of the spring 5 reaches its initial position, fixes the projection 14 in the groove 20. 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