Double-walled drawer frame

Abstract

A double-walled drawer frame includes an inner wall and an outer wall. At least one spacer part is or can be arranged between the inner wall and the outer wall, and the at least one spacer part is shaped substantially plate-like and can be clamped between at least one first protrusion and at least one second protrusion.

1 . A double-walled drawer frame comprising:
 an inner wall,   an outer wall, and   at least one spacer part arranged between the inner wall and the outer wall,   wherein the at least one spacer part is shaped substantially plate-like, and the at least one spacer part can be clamped between at least one first protrusion and at least one second protrusion.   
     
     
         2 . The double-walled drawer frame according to  claim 1 , wherein the outer wall or the inner wall can be or is connected to the inner wall or the outer wall via the at least one first protrusion and/or the at least one second protrusion. 
     
     
         3 . The double-walled drawer frame according to  claim 1 , wherein:
 the at least one first protrusion and the at least one second protrusion are arranged either on the outer wall or on the inner wall before the connection of the outer wall to the inner wall, and/or   the at least one first protrusion and/or the at least one second protrusion projects/project transversely from the inner wall and/or the outer wall, and/or   the at least one first protrusion and/or the at least one second protrusion is/are connected firmly, in particular in one piece, to the inner wall and/or the outer wall, in particular is/are made out of the same sheet metal part as the inner wall and/or the outer wall, and/or   the at least one first protrusion and/or the at least one second protrusion extends/extend over the entire length and/or the entire width of the inner wall and/or the outer wall, and/or   the at least one first protrusion and/or the at least one second protrusion forms/form a front face of the double-walled drawer frame, and/or   the at least one first protrusion and the at least one second protrusion is/are arranged on two opposite sides, preferably long sides, of the inner wall and/or the outer wall.   
     
     
         4 . The double-walled drawer frame according to  claim 1 , wherein the at least one spacer part:
 is made at least partially, preferably entirely, out of a foam, in particular a polyethylene foam, and/or   has a predetermined breaking point, preferably a perforation.   
     
     
         5 . The double-walled drawer frame according to  claim 1 , wherein the at least one spacer part, in the clamped state:
 rests flat against the inner wall and/or the outer wall, and/or   covers at least a quarter of the surface area of the inner wall and/or the outer wall.   
     
     
         6 . The double-walled drawer frame according to  claim 1 , wherein the at least one spacer part, in the clamped state, is arranged at a distance from an imaginary plane which is spanned by the points against which the outer wall or the inner wall rests for connection to the inner wall or the outer wall, preferably wherein the distance is between 0.1 and 0.5 millimeters. 
     
     
         7 . The double-walled drawer frame according to  claim 1 , wherein the outer wall or the inner wall, in the state when connected to the inner wall or the outer wall, is curved in the direction of the inner wall or the outer wall, with the result that the outer wall or the inner wall rests against the clamped at least one spacer part. 
     
     
         8 . The double-walled drawer frame according to  claim 1 , wherein the at least one first protrusion and/or the at least one second protrusion has at least one guide groove for guiding the outer wall or the inner wall, preferably wherein the at least one guide groove is shaped as a substantially semicircular bend of a sheet metal part. 
     
     
         9 . The double-walled drawer frame according to  claim 8 , wherein a guiding-in surface for guiding the outer wall or the inner wall in transverse to the longitudinal direction of the at least one guide groove adjoins the at least one guide groove, preferably wherein the at least one spacer part, in the clamped state, rests against an end edge of the guiding-in surface. 
     
     
         10 . The double-walled drawer frame according to  claim 8 , wherein the outer wall or the inner wall has at least one guide ridge for guiding into the at least one guide groove, preferably wherein
 the at least one guide ridge is shaped as a substantially semicircular bend of a sheet metal part, preferably wherein the radius of the at least one bend of the at least one guide groove is larger than the radius of the at least one bend of the at least one guide ridge, and/or   the at least one guide ridge is made out of the same sheet metal part as the outer wall or inner wall, preferably out of an end piece of the outer wall or the inner wall.   
     
     
         11 . The double-walled drawer frame according to  claim 10 , wherein the double-walled drawer frame comprises at least one holding device for holding the at least one guide groove on the at least one guide ridge. 
     
     
         12 . The double-walled drawer frame according to  claim 1 , wherein the at least one second protrusion and/or the at least one first protrusion has a stepped shape, preferably wherein:
 the at least one spacer part, in the clamped state, can be arranged against the first step starting from the inner wall or the outer wall, particularly preferably wherein the at least one spacer part rests against a curvature of the at least one first step, and/or   the at least one outer wall or inner wall, in the state when connected to the inner wall or outer wall, is arranged on the last, preferably second, step starting from the inner wall or outer wall.   
     
     
         13 . The double-walled drawer frame according to  claim 1 , wherein the at least one second protrusion and/or the at least one first protrusion has at least one suspension ridge for suspending the outer wall or the inner wall. 
     
     
         14 . The double-walled drawer frame according to  claim 13 , wherein the outer wall or the inner wall has at least one suspension groove for suspending the outer wall or the inner wall in the at least one suspension ridge, preferably wherein the at least one suspension groove is shaped as a bent end piece of the outer wall or the inner wall. 
     
     
         15 . A drawer comprising the double-walled drawer frame according to  claim 1 , preferably wherein the drawer has a drawer bottom, a back wall and/or a front panel. 
     
     
         16 . A method for mechanically and/or manually producing a double-walled drawer frame with an inner wall and an outer wall, in particular according to  claim 1 , wherein the inner wall and/or the outer wall has at least one first protrusion and at least one second protrusion, comprising the following method steps, in particular carried out chronologically in the specified order:
 at least one substantially plate-like, spacer part is clamped between the at least one first protrusion and the at least one second protrusion,   the outer wall is arranged parallel to the inner wall and connected to the inner wall.   
     
     
         17 . The method according to  claim 16 , wherein the outer wall and/or the inner wall is/are arranged on the at least one first protrusion and on the at least one second protrusion and connected to the inner wall or the outer wall. 
     
     
         18 . The method according to  claim 16 , wherein the at least one first protrusion and the at least one second protrusion are arranged on either the outer wall or the inner wall before the connection of the outer wall to the inner wall, with the following method steps
 providing the outer wall or the inner wall,   at least one, in particular substantially plate-like, spacer part is clamped between the at least one first protrusion and the at least one second protrusion and is thus fastened to the outer wall or the inner wall,   providing the inner wall or outer wall,   the outer wall is arranged parallel to the inner wall and connected to the inner wall.   
     
     
         19 . The method according to  claim 16 , wherein in the case of the connection of the outer wall and the inner wall the following method steps are provided:
 the two walls are shifted relative to each other in a direction parallel to a longitudinal direction of the walls and/or in a direction transverse to the longitudinal direction,   the two walls are connected to each other in the course of the shifting movement.   
     
     
         20 . The method according to  claim 16 , wherein the at least one spacer part has a predetermined breaking point, preferably a perforation, preferably wherein the following method steps are carried out before the at least one spacer part is clamped between the at least one first protrusion and the at least one second protrusion:
 the at least one spacer part is broken along the predetermined breaking point, in particular toollessly,   a fraction of the at least one spacer part is used as the spacer part in the following and clamped between the at least one first protrusion and the at least one second protrusion.   
     
     
         21 . The method according to  claim 16 , wherein the at least one first protrusion and/or the at least one second protrusion has at least one guide groove and the outer wall or the inner wall has at least one guide ridge, with at least one of the following method steps:
 the at least one guide ridge is arranged in the at least one guide groove, preferably by shifting the two walls relative to each other in a direction transverse to the longitudinal direction of the walls and/or preferably such that the at least one guide groove grips around the at least one guide ridge,   the at least one guide ridge is shifted in the at least one guide groove in a direction parallel to a longitudinal direction of the walls.   
     
     
         22 . The method according to  claim 16 , wherein the at least one second protrusion and/or the at least one first protrusion has a stepped shape, preferably wherein:
 the at least one spacer part is arranged against the first step starting from the inner wall or the outer wall, particularly preferably wherein the at least one spacer part is arranged against a curvature of the at least one first step, and/or   the at least one outer wall or inner wall is arranged on the last, preferably second, step starting from the inner wall or outer wall.   
     
     
         23 . The method according to  claim 16 , wherein the at least one second protrusion and/or the at least one first protrusion has at least one suspension ridge and the outer wall or the inner wall has at least one suspension groove, with at least one of the following method steps:
 the at least one suspension ridge is arranged in the at least one suspension groove, preferably by shifting the two walls relative to each other in a direction transverse to the longitudinal direction of the walls and preferably such that the at least one suspension groove engages behind the at least one suspension ridge,   the at least one suspension ridge is shifted in the at least one suspension groove in a direction parallel to a longitudinal direction of the walls.