Retaining device for retaining a built-in appliance on a worktop

Abstract

In order to provide a retaining device for retaining a built-in appliance, in particular a built-in sink unit, on a worktop, comprising at least one appliance-side retaining element, at least one worktop-side retaining element and at least one tensioning element for bracing the worktop-side retaining element and the appliance-side retaining element relative to one another, wherein the tensioning element comprises a threaded portion, a retaining portion and a reduced-diameter portion, which is disposed between the threaded portion and the retaining portion and the diameter of which is smaller than the diameter of the retaining portion, and wherein the appliance-side retaining element has at least one through-opening, through which in the fitted state of the retaining device the reduced-diameter portion of the tensioning element extends, that has increased stability, it is proposed that the retaining portion of the tensioning element and/or the threaded portion of the tensioning element in the fitted state of the retaining device is supported at its periphery against the appliance-side retaining element.

1 . Retaining device for retaining a built-in appliance, in particular a built-in sink unit, on a worktop, comprising at least one appliance-side retaining element,
 at least one worktop-side retaining element and   at least one tensioning element for bracing the worktop-side retaining element and the appliance-side retaining element relative to one another,   wherein the tensioning element comprises a threaded portion, a retaining portion and a reduced-diameter portion, which is disposed between the threaded portion and the retaining portion and the diameter of which is smaller than the diameter of the retaining portion, and   wherein the appliance-side retaining element has at least one through-opening, through which in the fitted state of the retaining device the reduced-diameter portion of a tensioning element extends,   wherein the retaining portion of the tensioning element and/or the threaded portion of the tensioning element in the fitted state of the retaining device is supported at its periphery against the appliance-side retaining element.   
   
   
       2 . Retaining device according to  claim 1 , wherein the tensioning element in the fitted state of the retaining device is supported against the appliance-side retaining element at least two support points that are mutually spaced apart along the longitudinal axis of the tensioning element. 
   
   
       3 . Retaining device according to  claim 1 , wherein the appliance-side retaining element has a fastening region, by which the appliance-side retaining element in the fitted state of the retaining device can be positioned against an edge region of the built-in appliance. 
   
   
       4 . Retaining device according to  claim 3 , wherein the appliance-side retaining element in the fitted state of the retaining device can be positioned by the fastening region against a portion of the edge region that is oriented substantially horizontally in the fitted state of the built-in appliance. 
   
   
       5 . Retaining device according to  claim 3 , wherein the through-opening comprises at least one retaining portion, through which the reduced-diameter portion of the tensioning element passes in the fitted state of the retaining device, and at least one introduction portion, through which the retaining portion of the tensioning element can be introduced during fitting of the retaining device in order to bring the tensioning element and the appliance-side retaining element into engagement with one another. 
   
   
       6 . Retaining device according to  claim 5 , wherein the introduction portion is disposed on a region of the appliance-side retaining element that is oriented substantially vertically in the fitted state of the retaining device. 
   
   
       7 . Retaining device according to  claim 5 , wherein the introduction portion of the through-opening is disposed on a region of the appliance-side retaining element that is oriented substantially horizontally in the fitted state of the retaining device. 
   
   
       8 . Retaining device according to  claim 5 , wherein the retaining portion of the through-opening is disposed on a region of the appliance-side retaining element that is oriented substantially horizontally in the fitted state of the retaining device. 
   
   
       9 . Retaining device according to  claim 5 , wherein the introduction portion of the through-opening is so configured that the retaining portion of the tensioning element can be introduced through the introduction portion when the built-in appliance has already been inserted into a cut-out of the worktop. 
   
   
       10 . Retaining device according to  claim 5 , wherein the area of passage of the introduction portion of the through-opening is larger than the cross-sectional area of the retaining portion of the tensioning element. 
   
   
       11 . Retaining device according to  claim 5 , wherein the area of passage of the introduction portion of the through-opening is larger than the area of a longitudinal section through the retaining portion of the tensioning element along a longitudinal axis of the tensioning element. 
   
   
       12 . Retaining device according to  claim 5 , wherein the retaining portion of the through-opening extends, starting from the introduction portion of the through-opening, in a longitudinal direction of the edge region of the built-in appliance. 
   
   
       13 . Retaining device according to  claim 5 , wherein the through-opening comprises two retaining portions that extend from the introduction portion of the through-opening in mutually opposite directions. 
   
   
       14 . Retaining device according to  claim 5 , wherein the at least one retaining portion of the through-opening extends substantially parallel to a longitudinal direction of the edge region of the built-in appliance. 
   
   
       15 . Retaining device according to  claim 5 , wherein the at least one retaining portion of the through-opening extends transversely of, preferably substantially perpendicularly to, a longitudinal direction of the edge region of the built-in appliance. 
   
   
       16 . Retaining device according to  claim 1 , wherein the through-opening opens out at an edge of the appliance-side retaining element. 
   
   
       17 . Retaining device according to  claim 16 , wherein the through-opening comprises a bent path that leads from an edge of the appliance-side retaining element to a retaining portion of the through-opening, through which retaining portion the reduced-diameter portion of the tensioning element passes in the fitted state of the retaining device. 
   
   
       18 . Retaining device according to  claim 1 , wherein the appliance-side retaining element comprises the fastening region, a retaining region, against which is disposed a retaining portion of the through-opening, through which retaining portion the reduced-diameter portion of the tensioning element passes in the fitted state of the retaining device, and a connecting region that connects the fastening region to the retaining region, wherein the connecting region merges at folds into the fastening region and into the retaining region. 
   
   
       19 . Retaining device according to  claim 18 , wherein the appliance-side retaining element further comprises an additional bent region that merges at a further bend into the retaining region. 
   
   
       20 . Retaining device according to  claim 19 , wherein the additional bent region lies against a side wall of the built-in appliance in the fitted state of the retaining device. 
   
   
       21 . Retaining device according to  claim 19 , wherein the additional bent region is bent from the retaining region towards the same side of the retaining region as the connecting region. 
   
   
       22 . Retaining device according to  claim 19 , wherein the additional bent region is bent from the retaining region towards the side of the retaining region remote from the connecting region. 
   
   
       23 . Retaining device according to  claim 19 , wherein the additional bent region is oriented substantially perpendicularly to the retaining region. 
   
   
       24 . Retaining device according to  claim 19 , wherein the additional bent region is oriented at an acute angle to the retaining region. 
   
   
       25 . Retaining device according to  claim 19 , wherein the tensioning element in the fitted state of the retaining device is supported against the additional bent region of the appliance-side retaining element. 
   
   
       26 . Retaining device according to  claim 1 , wherein the worktop-side retaining element in the fitted state of the retaining device is supported against the built-in appliance. 
   
   
       27 . Retaining device according to  claim 1 , wherein the worktop-side retaining element is provided with at least one claw for digging into the worktop. 
   
   
       28 . Combination of a built-in appliance, in particular a built-in sink unit, and at least one retaining device according to  claim 1 . 
   
   
       29 . Combination according to  claim 28 , wherein the built-in appliance takes the form of a built-in sink unit and comprises at least one sink, wherein an edge region of the built-in sink unit projects out from the sink towards an outer edge of the built-in sink unit.