Abstract:
The invention relates to a mounting device for fastening a toilet seat set to a toilet bowl in a reversibly releasable manner, comprising a connecting segment which can be connected to the toilet seat set in a stationary manner, and a rod segment, which is arranged on the connecting segment and which can be fed at least partially through a mounting opening of the toilet bowl. Furthermore, the mounting device has a deformable blocking part, which is fastened to the rod segment ( 12 ) at a distance from the connecting segment, wherein the connecting segment and the blocking part can be arranged on opposite sides of the mounting opening when the rod segment is at least partially fed through the mounting opening of the toilet bowl. The mounting device is equipped with an actuating lever, which has a damping position, in which the blocking part is deformed in such a way that the blocking part cannot be fed through the mounting opening, and a released position, in which the blocking part is deformed sufficiently little that the blocking part can be fed through the mounting opening of the toilet bowl. The rod segment is connected to the connecting segment in a stationary manner in the clamping position and in a translatable manner in the released position, and the rod segment protrudes from the connecting segment at an identical predefined angle in the damping position and in the released position.

Description:
TECHNICAL FIELD 
       [0001]    The invention relates to a mounting device according to the preamble of independent claim  1 . 
         [0002]    Such mounting devices include, for example, a connecting segment which can be connected in a stationary manner to a toilet seat set, a rod segment which is arranged on the connecting segment and can be fed at least partially through a mounting opening of a toilet bowl, a deformable blocking part which is fastened to the rod segment at a distance from the connecting segment, wherein the connecting segment and the blocking part can be arranged on opposite sides of the mounting opening when the rod segment is at least partially fed through the mounting opening of the toilet bowl, and an actuating lever which has a clamping position in which the blocking pat is deformed in such a way that the blocking part cannot be fed through the mounting opening, and a released position in which the blocking part is deformed sufficiently little that the blocking part can be fed through the mounting opening of the toilet bowl. They can be used for fastening the toilet seat set in a reversibly releasable manner to the toilet bowl. 
       State of the Art 
       [0003]    Nowadays sit-down toilets are widely used in sanitary installations. Such sit-down toilets comprise, for example, a ceramic toilet bowl and a toilet seat set. The toilet bowl generally has a top opening with an outer rim limiting it, a flush for cleaning the inside of the toilet bowl and an outlet fitted to a lower end of the toilet bowl. The toilet seat set is typically fitted with a seat ring with which the rim of the toilet bowl can be covered, a lid for closing the opening of the toilet bowl and a hinge. The toilet seat set is mounted at its hinge on a rear region of the rim of the toilet bowl so that the seat ring and the lid can be folded back. 
         [0004]    For mounting the toilet seat set on the toilet bowl toilet bowls often have one or preferably two mounting openings in the rear region of the rim or on the rear rim of their openings. There are many prior art designs of mounting openings which are connected on the one hand to the toilet seat set, and on the other hand can be fastened to it via the mounting openings of the toilet bowl. For example, plastic or metal devices, which are clipped or plugged into the mounting openings, are in widespread use. Such mounting devices are often relatively unstable, so that an unintended and undesirable separation of the toilet seat set from the toilet bowl can occur. Moreover, cleaning, particularly in any zone where the toilet bowl and the toilet seat set collide in the hinge region, if often difficult. This problem occurs in particular where an undetermined public uses the toilet, such as in restaurants, hospitals and especially in public toilets. 
         [0005]    WO 2013/003969 A2 describes this regard improved embodiments of mounting devices for toilet seat sets. For example, a mounting device comprises a lever and a rod-shaped insert member. The rod-shaped insert element is connected at its one longitudinal end via an eccentric element to the lever and at its other longitudinal end to an elastomer tube. For mounting, the insert member is fed through from above through one of the mounting openings until the elastomer tube is located on the underside of the rim of the toilet bowl. Thereafter, the lever is tilted from a vertical position to a horizontal position, wherein the eccentric element on the insert element is pulled upward. Here the elastomer tube is clamped between the insert element and a blocking element and is deformed so that it will no longer fit through the mounting opening. In this position, the mounting device is fastened to the toilet bowl. 
         [0006]    One drawback of the mounting device described above is that it fastens the toilet seat set to the bowl in a fixed position and alignment. It may therefore happen that the seat ring of the toilet seat does not lie flush against the rim of the toilet bowl, but projects somewhat obliquely from it. In the case of such mounting devices the toilet seat set must also be mounted slightly upstream so that the levers can be operated from behind. This requires either a narrow structure in the hinge region of the toilet seat set or a wide rear rim of the toilet bowl. 
         [0007]    The object of the following invention is therefore to propose a mounting device, with which a toilet seat set can be aligned with the toilet bowl or whose position can be adapted to the toilet bowl. In addition, the mounting device should preferably avoid the need for taking special precautions on one rim of the toilet bowl or on the toilet seat set so that the mounting device can be operated. 
       SUMMARY OF THE INVENTION 
       [0008]    The object is achieved by a mounting device, as defined in independent claim  1 , as well as by a toilet, as defined in independent claim  11 . Advantageous embodiments of the inventive mounting device result from the dependent claims. 
         [0009]    Embodiments of the present invention are directed to a mounting device for fastening in a reversibly releasable manner a toilet seat set to a toilet bowl comprises a connecting segment which can be connected in a stationary manner to the toilet seat set and a rod segment arranged on the connecting segment, which rod segment can be fed at least partially through a mounting opening of the toilet bowl. Furthermore, the mounting device has a deformable blocking part which is arranged at a distance from the connecting segment on the rod segment, wherein the connecting segment and the blocking part can be arranged on opposite sides of the mounting opening when the rod segment is at least partially fed through the mounting opening of the toilet bowl. The mounting device is equipped with an actuating lever which can be moved from a clamping position of the mounting device, in which the blocking part is deformed in such a way that it cannot be fed through the mounting opening, into a released position of the mounting device, in which the blocking part is deformed sufficiently little that it can be fed through the mounting opening of the toilet bowl, then moved back. Here the rod segment is connected in a stationary manner in the clamping position, and displaceably in the released position, to the connecting segment, and the rod segment protrudes from the connecting segment at a preferably identical predefined angle in the clamping position and in the released position. 
         [0010]    In the context of the invention the term “toilet” is understood to mean a sanitary seat device for receiving bodily waste, in particular faeces and urine. The term is used synonymously with the terms “loo”, “lavatory”, “privy” or “WC” Often toilets comprise a toilet bowl of a ceramic material such as porcelain, a flushing device for flushing the toilet bowl and a seat ring, consisting of a plastic or wood material, for example, for covering a rim of the toilet bowl. 
         [0011]    The term “reversibly releasable” refers, in connection with the toilet seat set and the toilet bowl, to the fact that the toilet seat can be detached several times or repeatedly from the toilet bowl. In other words, the mounting device can be provided so that the toilet seat set is randomly mounted on the toilet bowl and is again detached or dismantled from it. 
         [0012]    The toilet seat set typically comprises a seat ring of the type described above and a folding mechanism, such as one or more hinges. When the toilet seat set is fastened to the toilet bowl the seat ring can, by means of the folding mechanism, be folded up from the toilet bowl and folded down on to it. The toilet seat set may also comprise a toilet seat that can be folded up from and down on to the toilet bowl in the same way as the seat ring. The toilet lid serves to cover the toilet bowl or its opening for hygienic reasons. 
         [0013]    Typically, the toilet seat set is fastened to the toilet bowl with a mounting set comprising two mounting devices. As a result, the toilet seat set is fastened sufficiently stable and such that it cannot be twisted. 
         [0014]    The term “stationary”, referring to the connection of the rod segment and the connecting segment, may relate to an essentially stationary arrangement of the two parts to each other. In particular, the rod segment may be connected in a stationary manner to the connecting segment in such a manner that it can neither be tilted nor displaced relative to the connecting segment. Twisting of the rod segment relative to the connecting segment, particularly about the longitudinal axis of the rod segment, may still be possible, however. In this case, twisting of the rod segment in the clamping position is only possible by applying a reasonable force, for example by means of the actuating lever. 
         [0015]    In relation to the connection between the toilet seat set and connecting segment, the term “stationary” may also refer to the fact that the toilet seat set cannot be removed from the connecting segment. However, in relation to the connecting segment it may still be tiltable, foldable or twistable. 
         [0016]    The term “non-rotatable”, in the context of the invention, refers to a connection in which the connected parts are twisted together. They can be flexible for other movements such as longitudinal movement. 
         [0017]    When the fastening device is arranged on the toilet bowl so that the rod segment is fed through the mounting opening and the blocking part is arranged and deformed on the side of the mounting opening opposite the connecting segment, the mounting device enables the toilet seat set to be fastened efficiently and sufficiently firmly to the toilet bowl. This can guarantee, in particular, that the toilet seat set has sufficient resistance to a shear force. For example, shear forces to which toilet lid sets on toilets can be exposed without deterioration are defined in standards such as those issued, among other things, by the German Institute for Standardisation. For example, standards are known in which these shear forces are set to 300 Newtons. The inventive mounting device is able to efficiently to meet such safety-relevant requirements. 
         [0018]    By ensuring that the rod segment protrudes at a preferably identical predefined angle from the connecting segment, its exact predefined alignment can be achieved. For example, it can then be easily positioned in a vertical position and inserted comparatively easily into the mounting opening of the toilet bowl. In the released position is therefore only displaceable along the connecting segment. If the fixture is e inserted into the mounting opening of the toilet bowl, as intended, but is still in the released position, this has the effect that the connecting segment, and together with it the toilet seat set, can be displaced along the top of its rim. This enables the toilet seat set to be accurately positioned and aligned. 
         [0019]    If the toilet seat set is located in a target position or alignment, the actuating lever is manually operated and the mounting device is moved to the clamping position. In this case, the blocking part is deformed so that it no longer fits through the mounting opening of the toilet bowl. The blocking part may be made for example of a thermoplastic material or a polyurethane. In this clamping position the toilet seat set is on the one hand firmly attached to the toilet bowl and on the other hand accurately positioned and aligned on it. 
         [0020]    The connecting segment preferably comprises an essentially flat contact surface with a guide slot, the rod segment protruding through the contact surface via the guide slot. 
         [0021]    The contact surface may be designed to rest on the rim of the toilet bowl when the rod segment is fed through the mounting opening. This enables the toilet seat set to rest cleanly and precisely on the toilet bowl. In turn the guide slot enables the toilet seat set to be moved to a certain extent so that the toilet seat set can be positioned and aligned as efficiently as possible. 
         [0022]    Here the mounting device preferably comprises a rod segment sleeve extending non-rotatably from the guide slot of the contact surface of the connecting segment, wherein the rod segment protrudes through the rod segment sleeve and is rotatable in it. A metal tube or a tube segment, for example, may be used as the rod segment sleeve. The rod segment sleeve may be movable or displaceable, by a suitable design of one of its longitudinal ends, non-rotatably yet movably along the slot, relative to the guide slot and hence relative to the connecting segment for example, the longitudinal end may have an asymmetrical or elongated shape, so that the longitudinal end lies in the guide slot without being able to be twisted in it. The rod element sleeve provides guidance of the rod segment of the rod segment for a longitudinal movement and a rotational movement about the longitudinal axis. 
         [0023]    A screen is preferably provided on the contact surface of the connecting segment. The screen enables the rod segment, and possibly also the rod segment sleeved, to be moved in a stepped manner on the connecting segment. This also enables inadvertent movement of the rod segment in the clamping position to be avoided. 
         [0024]    Furthermore, the mounting device preferably comprises a seal which is arranged on the contact surface of the connecting segment. When fitted, the seal is located between the connecting section and the toilet bowl or its rim, and seals this region. This can prevent moisture and/or dirt from penetrating this region and extending, for example, through the mounting opening of the toilet bowl. 
         [0025]    Preferably the rod segment has a longitudinal axis and the actuating lever is connected in a non-rotatable manner to the rod segment, wherein the actuating lever can be twisted from the released position into the clamping position about the longitudinal axis of the rod segment. Here, operating the actuating lever causes the rod segment to rotate or be rotated about its longitudinal axis. The actuating lever can therefore be operated efficiently by means of a horizontal rotary movement. Among other things, this enables the actuating lever to be arranged in a space-saving and concealed manner. For example, it may be located between the toilet seat set and the toilet bowl and is difficult to see or invisible from the outside. Moreover, such a horizontally rotatable actuating lever prevents the mounting device from being displaced backwards in relation to the toilet seat set. Such a horizontally movable actuating lever and the associated clamping mechanism may also be used in embodiments of mount devices in which the rod segment is not displaced on the connecting segment. 
         [0026]    The mounting device preferably has a pivot pit connected non-rotatably to the rod segment and a sliding bolt connected non-rotatably to the rod segment sleeve and axially movable on the rod segment sleeve, wherein the blocking part is arranged on the rod segment sleeve and the slide bolt is arranged between the pivot and the blocking part. The pivot pin can be rotated by a rotation of the rod segment, for example by means of the actuating lever with respect to the sliding bolt. In turn the slide bolt can then be moved along the rod segment sleeve away from the pivot pin and towards it. The blocking part can be squeezed or pressurised by this axial movement. 
         [0027]    This can for example be provided at the rotating and sliding bolts, which cause a longitudinal movement of the sliding bolt during a rotational movement of the pivot pin suitable means. In this regard the pivot pin preferably has an outer contact surface facing the slide bolt and the slide bolt preferably has an inner contact surface facing the pivot pin, the outer contact surface of the pivot pin and the inner contact surface of the slide bolt lying at an identical acute angle to the longitudinal axis of the rod segment. The outer contact surface and the inner contact surface have variable acute angles to the longitudinal axis of the rod segment. They can also be designed correspondingly in a spiral shape in the direction of the circumference of the pivot pin and the slide bolt. Or they can be designed correspondingly as two or more spiral segments in a region in the direction of the circumference of the pivot pin and the slide bolt. In this case the pivot pin and the sliding bolt may each have a central opening so that the contact surfaces are each formed only in a rim region or in the region in the direction of the circumference. 
         [0028]    The pivot pin and the slide bolt can therefore rest together on the inclined inner and outer contact surfaces to each other. Here the inner contact surface of the slide bolt and the outer contact surface of the pivot pin preferably lie in the released position of the mounting device flat against one another. If the pivot pin and the slide bolt are rotated together by operating the actuating lever, the pivot pin and the slide bolt are pushed away from each other along the inclined contact surfaces. This moves the slide bolt along the rod segment sleeve in the direction of the blocking part, thereby clamping and deforming the blocking part. In particular, the blocking part can therefore form a bead and increase its radius so that it can no longer be moved through the mounting opening. 
         [0029]    A spacer is preferably arranged between the blocking part and the connecting segment on the rod segment sleeve. The spacer can guarantee that the blocking part is located on the other side, of the mounting opening of the toilet bowl, than that of the connecting segment when the mounting device is inserted into the mounting opening. In particular, the length of the spacer may be proportional to the thickness or strength of the toilet bowl. 
         [0030]    Another aspect of the invention relates to a toilet with a toilet bowl, a toilet seat set and a mounting device as described above for fastening the toilet seat set on the toilet bowl in a reversibly releasable manner. The toilet seat set is connected in a stationary manner to a connecting segment of the mounting fixture. The toilet bowl has a mounting opening through which a rod segment of the mounting device arranged on the connecting segment is at least partially fed. A deformable blocking part of the mounting device, which is arranged at a distance from the connecting segment on the rod segment, is arranged on the opposite side of the mounting opening of the toilet bowl. An actuating lever of the mounting device is moved into a clamping position. The actuating lever is movable from a clamping position of the mounting device, in which the blocking part of the mounting department is deformed in such a way that it cannot be fed through the mounting opening of the toilet bowl, into a released position of the mounting opening, in which the blocking part of the mounting opening of the toilet bowl is sufficiently little deformed that it can be fed through the mounting opening of the toilet bowl, then moved back. As a result of this the blocking part of the mounting device is deformed and the mounting device is fastened, together with the toilet seat set, to the toilet bowl, wherein the rod segment of the mounting device is connected in a stationary manner to the connecting segment of the mounting device and the toilet bowl. The effects and advantages mentioned in connection with the mounting device can be achieved efficiently with the inventive toilet. 
         [0031]    The height of the toilet, between the toilet bowl and an upper side of the toilet seat set, in a closed position, is preferably a maximum of 4 cm or a minimum of 3.5 cm. Due to the design of the mounting device in a manner described above, a relatively low overall toilet height can be achieved for the toilet seat set-mounting device composition. This is often desirable for comfort or aesthetic reasons. In particular, a design which does not exceed an overall height of 3.5 cm is desirable in many cases. 
         [0032]    The mounting device in the toilet is preferably located underneath the toilet seat set when the toilet seat set is in a closed position. This ensures that the mounting device is protected and covered. 
         [0033]    The toilet preferably comprises two identical mounting devices which are arranged laterally adjacent to each other. The two mounting devices, possibly together with further identical mounting devices, can then make up an assembly kit. With such multiple mounting devices, or with an assembly kit, it can be ensured that the toilet seat set is sufficiently stable and not rotatably fastened. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0034]    Further advantageous embodiments of the invention are mentioned in the following description of embodiments based on the schematic drawing. In particular, the inventive mounting device is described in the following with reference to the attached drawings based on exemplary embodiments. 
           [0035]      FIG. 1  shows a front view of a first embodiment of an inventive mounting device. 
           [0036]      FIG. 2  shows a side view of the mounting device of  FIG. 1 . 
           [0037]      FIG. 3  shows a bottom view of the mounting device of  FIG. 1 . 
           [0038]      FIG. 4  shows a view of a toilet seat set installed on the toilet bowl above the mounting device of  FIG. 1 , the mounting device being in a released position. 
           [0039]      FIG. 5  shows a view of a toilet seat set installed on the toilet bowl above the mounting device of  FIG. 1 , the mounting device being in a clamping position. 
           [0040]      FIG. 6  is a view of a toilet seat set mounted on a toilet bowl by means of a second embodiment of an inventive mounting device, the mounting device being in a released position. 
           [0041]      FIG. 7  is a view of the toilet seat set mounted on the toilet bowl by means of the mounting device of  FIG. 6 , the mounting device being in a clamping position. 
           [0042]      FIG. 8  shows a side view of a third embodiment of an inventive mounting device with retracted actuating lever. 
           [0043]      FIG. 9  shows a side view of the mounting device of  FIG. 8  with extended actuating lever. 
           [0044]      FIG. 10  shows a plan view of the mounting device of  FIG. 8  with retracted actuating lever. 
           [0045]      FIG. 11  shows a plan view of the mounting device of  FIG. 8  with extended actuating lever. 
       
    
    
     DETAILED DESCRIPTION 
       [0046]    Certain terms are used in the following description, for practical reasons, and must not be understood to be limiting. The words “right”, “left”, “lower” and “upper” denote directions in the drawing to which reference is made. The terms “inward” and “outward” refer to directions toward or away from the geometric centre of the mounting device and designated parts thereof. The terminology includes the words specifically mentioned above, derivatives thereof, and words of similar import. 
         [0047]      FIG. 1  shows a first embodiment of an inventive mounting device  1 , which comprises a metal connecting segment  11 , a metallic rod segment  12  having a longitudinal axis  121  and a metallic actuating lever  16 . The connecting segment  11  has on an upper side connecting means  112  for connection to a toilet seat set, and on an under side a contact surface  111 , on which a screen  113  is formed. Laterally contact surface  111  is limited by a rim, wherein a seal  19  of plastic is arranged inside the rim adjacent to parts of contact surface  111 . The rim and contact surface  111  therefore hold seal  19 . 
         [0048]    Below a metal tubular rod segment sleeve  17  is arranged perpendicular to contact surface  111 , which sleeve protrudes from rod segment  12 . A blocking part  13 , of an elastically deformable plastic, and a spacer  18 , of a comparatively solid plastic, are slid on rod segment sleeve  17 , wherein spacer  18  lies between blocking part  13  and contact surface  111  or seal  19 . Below blocking part  13  rod segment sleeve  17  is equipped with a vertical guide slot  171 . A fastening piston  152  of a slide bolt  15  engages in guide slot  171 , which bolt is arranged underneath or on the side of blocking part  13  facing away from spacer  18  on blocking part  13  resting on rod segment sleeve  17 . Rod segment sleeve  17  and slide bolt  15  are connected to each other in a non-rotatable manner via guide slot  171  and fastening piston  152 , wherein slide bolt  15  is vertically displaceable on rod segment sleeve  17  over the length of guide slot  171 . 
         [0049]    A pivot pin  14  is arranged on rod segment  12  adjacent to or below slide bolt  15  against slide bolt  13 . Pivot pin  14  has a screw insert  142  by means of which it is screwed to rod segment  12  in a non-rotatable manner. On its upper side piston pin  14  has an outer contact surface  14  and slide bolt  1  has an inner contact surface  151  on its underside. The outer contact surface  141  and the inner contact surface  151  have a correspondingly bevelled design so that they form an acute angle to the longitudinal axis  121  of the rod segment  12 . 
         [0050]    The following statement applies to the entire further description. If there are reference numbers in a figure to ensure greater clarity of the drawings, but if they are not mentioned in the directly associated descriptive text, reference is made to their explanation in preceding descriptions of the figures. In addition, if reference numbers which are not contained in the associated figure are mentioned in the descriptive text directly associated with a figure, reference is made to the preceding figures. 
         [0051]    Fastening device  1  in  FIG. 2  is shown rotated 90° to the left about the longitudinal axis  121  of the rod segment  12  in a comparison with  FIG. 1 . It can be seen that actuating lever  16  is configured as a longitudinally-shaped rod which is connected centrally in connecting segment  11 , in a non-rotatable manner, to rod segment  12  at a right angle. Connecting segment  11  has a lever socket  115  in which actuating lever  16  is rotatable about longitudinal axis  121  of rod segment  12 . The boundaries of lever socket  115  thereby limit the radius of rotation of actuating lever  16  to 180°. 
         [0052]    In  FIG. 3  mounting device  1  is shown from below. It can be seen that a guide slot  114 , protruding from rod segment  12 , is formed on contact surface  111 . Moreover, a head region of rod segment sleeve  17  engages in guide slot  114 , this head region being designed so that rod segment sleeve  17  is not rotatable relative to connecting segment  11  about its longitudinal axis. Thus rod segment sleeve  17  and slide bolt  15  are connected in a non-rotatable manner to the connecting segment, while rod segment  12 , together with pivot pin  14  and actuating lever  16 , are rotatable about longitudinal axis  121  of rod segment  12 . 
         [0053]      FIG. 4  shows a toilet seat set  3 , which is mounted on a toilet bowl  2  by means of an assembly kit with two mounting devices  1 . Seat set  3  comprises a seat ring  31  and two folding hinges  32 , each of which is fixedly connected to one of mounting devices  1 . For this purpose folding hinges  32  are screwed with a screw  33  to connecting means  112  of connecting segment  12  of the associated mounting device  1 . The mounting devices  1  are inserted through two mounting openings  21  of a rear rim of toilet bowl  2 , wherein each of contact surfaces  111  of connecting segment  11  and seal  19  rests on a top of the rim and rod segment sleeve  17 , together with rod segment  12 , protrude through mounting opening  21 . Spacers  18  of mounting devices  1  each lie inside mounting openings  21 , whereas blocking parts  13 , slide bolts  15  and pivot pins  14  are arranged underneath mounting openings  21  and hence underneath the rim of toilet bowl  2 . 
         [0054]    The mounting devices  1  are shown in  FIG. 4  in a released position in which clamping segments  13  fit through mounting openings  21 . First contact surface  141  of pivot pin  14  lies flush with second contact surface  151  of slide bolt  15 . Actuating levers  16  are in their outwards maximally swiveled or rotated positions. In the released position the mounted toilet seat set  3  can be displaced along guide slots  114  of connecting segments  11  of mounting devices  1 . In this manner they can be positioned and aligned, as intended, on toilet bowl  2  as prescribed. 
         [0055]    For fixing toilet seat set  3  on toilet bowl  2  actuating levers  16  are swiveled inwards 180° about longitudinal axis  121  of rod segments  12 , as shown in  FIG. 5  Thereby rod segments  12  themselves, and together with them pivot pins  14 , are rotated 180° about longitudinal axis  121 . Since slide bolts  15  are not rotatable, the first and second contact surfaces  141 ,  151  no longer lie flush against each other but lie on their bottommost and uppermost sections, respectively. In this way slide bolts  15  are forced upwards during the rotary movement of pivot pins  14 , and blocking parts  13  are clamped between slide bolts  15  and spacers  18 . In this case, blocking parts  13  deform so that they no longer fit through mounting openings  21  of toilet bowl  2 . Toilet seat set  3  is then fixedly mounted on toilet bowl  2 . 
         [0056]    At the same time a pressure is exerted on rod segment sleeves  17  by the displacement or longitudinal movement of slide bolts  15  and by the deformation of blocking parts  13 , and these sleeves are pressed against connecting segments  11 . Moreover, rod segments  12  are no longer displaceable toward connecting segments  11  due to screens  113 . Toilet seat set  3  is in this way fixed in the aligned and positioned position. 
         [0057]      FIG. 6  shows a second embodiment of an inventive mounting device  10 , which comprises a metal connecting segment  110 , a metal rod segment  120  and a metal actuating lever  160 . Connecting segment  110  has connecting means for connecting to a toilet seat set and a contact surface  1110  on one underside. Laterally contact surface  1110  is bounded by a rim, wherein a seal  190  of plastic is arranged inside the rim flush to parts of contact surface  1110 . The rim and contact surface  1110  therefore retain seal  190 . 
         [0058]    Rod segment  120  protrudes through connecting segment  110  and can be moved axially relative to connecting segment  110 . A tubular sleeve shaped spacer  180  is adjacently arranged underneath connecting segment  110  perpendicularly to contact surface  1110 , rod segment  120  protruding through the spacer. On rod segment  120 , below spacer  180 , a plate  140  is fastened in a stationary manner to rod segment  120 , wherein a blocking part  130  of an elastically deformable plastic arranged between plate  140  and spacer  180 . The longitudinal end of rod segment  120 , facing away from connecting segment  110 , is connected by an eccentric element  1610  to actuating lever  160 . 
         [0059]    A toilet bowl  20  has on its rear rim two mounting openings  210 , through each of which protrudes one of two identical mounting devices  10 . In this case spacers  180  are located in mounting openings  210 . Connecting segments  110  lie on the rim of toilet bowl  20  and blocking parts  130 , as well as actuating levers  160 , lie on a lower inside of toilet bowl  20 . 
         [0060]    Mounting devices  10  are located in  FIG. 6  in a released position in which actuating levers  160  project perpendicularly from rod segments  120 . In this position mounting devices  10  can be guided out of mounting holes  210  and inserted. Moreover, they can be displaced on the rim. 
         [0061]    As shown in  FIG. 7  actuating levers  160  are folded 90° upwards into a horizontal position for fixing mounting devices  10 . A pressure is exerted on blocking parts  130  by means of eccentric elements  1610  with which actuating levers  160  are connected in an articulated manner to rod segments  120 . These are therefore deformed so that they no longer fit through mounting openings  210 . Mounting devices  10  are thereby fixed to toilet bowl  20 . 
         [0062]      FIG. 8  shows a third embodiment of an inventive mounting device  100 , which comprises a metal connecting segment  1100 , a metal rod segment  1200 , with a longitudinal axis  1100 , and a metal actuating lever  1600 . Connecting segment  1100  has on one upper side connecting means  11200  for connection to a toilet seat set and on one lower side a contact surface  11100 . 
         [0063]    An actuating lever  1600  is connected in a non-rotatable manner to connecting segment  1100 . Actuating lever  1600  is almost horizontal and is shown in  FIG. 8  in a retracted state. In this state, it is arranged fully within connecting segment  1100 . 
         [0064]    A metal tubular rod segment sleeve  1700 , through which rod segment  1200  protrudes, is adjacently arranged underneath and perpendicular to contact surface  11100 . A blocking part  1300 , of an elastically deformable plastic, and a split spacer  180 , of a comparatively solid plastic, are pushed onto rod segment sleeve  1700 , wherein spacer  1800  lies between blocking part  1300  and contact surface  11100 . Below blocking part  1300  rod segment sleeve  1700  is equipped with a vertical guide slot  17100 . A fastening piston  15200  of a slide bolt  1500 , which is arranged on rod segment sleeve  1700  and adjacent to blocking part  1300  and underneath or on one side of blocking part  1300  facing away from spacer  1800 , engages in guide slot  17100 . Rod segment sleeve  1700  and slide bolt  1500  are connected to each other in a non-rotatable manner via guide slot  17100  and fastening piston  15200 , wherein slide bolt  1500  is vertically displaceable on rod segment sleeve  1700  along the length of guide slot  17100 . 
         [0065]    A pivot pin  1400  is arranged on rod segment  1200  on slide bolt  1500  against blocking part  1300  adjacent to or underneath slide bolt  1500 . Pivot pin  1400  has a screw socket  14200  by means of which it is screwed in a non-rotatable manner to rod segment  1200 . The pivot pin  1400  has an outer contact area  14100  on its upper side and the slide bolt  1500  has an inner contact area  15100  on its underside. The outer contact area  14100  and the inner contact surface  15100  are correspondingly bevelled and designed bent so that they form, over a wide extent, an acute angle with the longitudinal axis  12100  of the rod segment  1200 . 
         [0066]    In comparison with  FIG. 8 , the fixation device  100  is shown in  FIG. 9  with the actuating lever  1600  in the extended state. In this state, the actuating lever  1600  is pushed out horizontally to the left from the connecting segment  1100 . Consequently, it is accessible from outside of the connecting segment  1100  and can be easily operated. Also, it is evident that the actuating lever  1600  is rod-shaped and forms a right angle with the rod segment  1200 . The connecting segment  1100  comprises a lever socket  11500 , in which the actuating lever  1600  may be displaced horizontally. 
         [0067]    In  FIG. 10  the mounting device  100  is shown from above. It is thereby apparent that actuating lever  1600  has a central vertical slot, which is penetrated by a bolt of lever socket  11500 . The bolt of lever socket  11500  lies centrally in connecting segment  1100 . In addition, the lever socket  11500  has a guide groove which receives actuating lever  1600  and supports it laterally. 
         [0068]    As shown in  FIG. 11 , actuating lever  1600  is radially extendible to the left along the guide groove until the end of the vertical slot abuts against the bolt of lever socket  11500 . The slot of actuating lever  1600 , together with the bolt of lever socket  11500 , limit the radial movement of actuating lever  1600 . As shown in  FIG. 11 , actuating lever  1600  may be extended both to the left and in an analogous manner to the right. 
         [0069]    The guide groove of lever socket  11500  receives a rotary or tangential movement of actuating lever  1600  and transmits the rotary motion to rod segment  1200 . As a result, rod segment  1200  can be rotated by a rotation of actuating lever  1600 , and mounting device  100  is therefore brought from a clamping position to a released position, and vice versa. Using the retractability and extendibility of actuating lever  1600  said device can be extended, if needed, for actuation of mounting device  100 , and can otherwise be provided in connecting segment  1100 . Therefore, no interfering part projects from the connecting segment when no actuation of mounting device  100  is required. 
         [0070]    Although the invention is represented by means of the figures and associated specification, and is described in detail, this representation and this detailed description, it is understood that persons skilled in the art may make changes and modifications without departing from the scope of the following claims. The present disclosure also includes embodiments with any combination of features which are mentioned or shown above or in the following in regard to different embodiments. It also includes individual features in the figures, even if they are shown therein in conjunction with other features and/or are not mentioned above or in the following. The alternatives of embodiments described in the figures and in the specification, and individual alternatives whose features are excluded from the object of the invention or from the disclosed objects, may also be included. The disclosure includes embodiments which exclusively comprise the features described in the claims or in the exemplary embodiments as well as those which include other additional features. 
         [0071]    Furthermore, the term “include” and derivations thereof does not exclude other elements or steps. Also, the indefinite article “a” or “an” and derivatives thereof does not exclude a plurality. The functions of several features listed in the claims can be performed by one unit or one step. The terms “essentially”, “about”, “approximately”, and the like in connection with a feature or a value also define, in particular, the exact feature or the exact value. The terms “about” and “approximately” in the context of a given numerical value or range may refer to a value or range that is within 20%, within 10%, within 5% or within 2% of the given value or range. All reference signs in the claims are not to be understood as limiting the scope of the claims.