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 The present invention relates to a quick coupling device, particularly for connecting a seat assembly to a toilet bowl.
 It is known that a problem currently occurring in the manufacture of elements for connecting one another a seat assembly and a toilet bowl is that of providing devices which allow to perform coupling and uncoupling very rapidly, thereby allowing easy removal for cleaning operations.
 EP-0853916, incorporated herein by reference, discloses an embodiment which is substantially based on the adoption of a slider element having a particular shaping, so as to engage and disengage with the shaped end of a post being fixed to the toilet bowl.
 This embodiment, while having proved to be valid in many regards, has been found to be susceptible of improvements, especially for enhancing the stability of the connection of a seat assembly to a toilet bowl by increasing the surface for coupling with the post that is connected to the toilet bowl.
 The aim of the invention is to solve the above problem, by providing a quick coupling device, particularly for connecting a seat assembly to a toilet bowl, which allows to obtain a stable locking with respect to the post that is fixed to the bowl, while maintaining the possibility of a quick and easy uncoupling.
 Within this aim, a particular object of the invention is to provide a coupling device which allows to pass from the locking position to the release position and/or vice versa with extremely simple movements.
 Another object of the present invention is to provide a quick coupling device which, thanks to its particular constructive characteristics, is capable of giving the greatest assurances of reliability and safety in use.
 Another object of the invention is to provide a quick coupling device which can be easily obtained starting from commonly commercially available elements and materials and is also competitive from a merely economic point of view.
 This aim and these and other objects which will become better apparent hereinafter are achieved by a quick coupling device particularly for connecting a seat assembly to a toilet bowl, according to the invention, comprising a post which can be fixed to a toilet bowl, characterized in that it comprises, on said post, an open socket for inserting therein, and extracting therefrom, at least one pivot for the connection of a seat assembly, said socket forming at least one engagement portion which can be detachably engaged by at least one mating portion of said connection pivot for the removable retention of said connection pivot in said socket.
 Further characteristics and advantages will become better apparent from the following detailed description of some preferred but not exclusive embodiments of a quick coupling device, particularly for connecting a seat assembly to a toilet bowl, illustrated only by way of non-limitative example in the accompanying drawings, wherein:
 With reference to the figures and particularly to FIGS.
 The post
 The important particularity of the invention consists in that the socket
 A mating portion
 As shown in FIGS.
 A groove
 In further specific embodiments shown respectively in
 The pivot
 By causing the pivot
 As shown in
 With reference to
 The pivot
 In FIGS.
 In this embodiment, the pivot, designated by the reference numeral
 The pivot
 In both embodiments, the pivot
 In the case of a wing-type coupling device, as shown in
 If blind bushes are used, as shown in
 With reference to FIGS.
 The pivot
 The translatory motion of the U-shaped element
 With reference to the embodiments of FIGS.
 The strip
 With reference to FIGS.
 In the release position, the folded portion
 It should also be observed that the interlocking connection pivots
 From the above description it is thus evident that the invention achieves the intended aim and objects and in particular that a quick coupling device is provided which allows to lock the seat assembly simply by utilizing the translatory motion of a pivot which can be arranged in the locking position inside the post for connection to the toilet bowl or in a release position in which the pivot can be easily extracted from its socket.
 The invention thus conceived is susceptible of numerous modifications and variations, all of which are within the scope of the appended claims.
 All the details may further be replaced with other technically equivalent elements.
 In practice, the materials used, as well as the contingent shapes and dimensions, may be any according to requirements.
 The disclosures in Italian Patent Application No. MI2000A000220 from which this application claims priority are incorporated herein by reference.