Motorized Functional Fitting for a Base of a Box Spring Bed or a Platform Bed or for a Slatted Bed Base

Abstract

The invention relates to a motorized functional fitting for a base of a box spring bed or of a platform bed, or for a slatted bed base, having the features of the preamble of claim 1. The invention also relates to a head-and back-supporting unit for a box spring bed or for a platform bed, and to a box spring bed, a platform bed or a slatted bed base.

1 . A motorized functional fitting ( 10 ;  10 ′;  210 ;  210 ′) for a bed base ( 100 ;  200 ;  200 ′) of a box spring bed or a platform bed or for a framed slatted bed base, which bed base ( 100 ;  100 ′;  200 ) comprises a bed frame ( 50 ;  250 ;  250 ′) with at least one central plate ( 55 ), a back support ( 32 ) articulated thereto and a head support ( 34 ) articulated to the back support ( 32 ), or which bed base ( 200 ) or slatted bed base ( 200 ′) comprises at least a frame and a back support platform ( 232 ;  232 ′) articulated thereto, which back support platform is connected to a head support platform ( 234 ;  234 ′),
 with at least: 
 an erecting structure ( 12 ;  12 ′;  212 ;  212 ′), which comprises at least two arms connected to one another via at least one crossbar ( 14 ;  14 ′;  214 ;  214 ′), 
 a linear drive ( 21 ;  221 ;  221 ′) with a lifting tube ( 24 ;  224 ;  224 ′) which is articulated with one end to the erecting frame ( 12 ;  12 ′) and can be supported with another end at a fixed point of the bed base ( 100 ;  200 ;  200 ′) or of the frame ( 50 ,  50 ′,  250 ;  250 ′); and 
 wherein the functional fitting ( 10 ;  10 ′;  210 ;  210 ′) comprises a longitudinal beam ( 11 ;  211 ;  211 ′) which is to be arranged on a bed frame center axis and can be connected to the bed frame ( 50 ) or the frame ( 250 ,  250 ′) and to which the erecting structure ( 12 ;  12 ′:  212 ;  212 ′) is articulated; 
 wherein the erecting structure ( 12 ;  12 ′;  212 ;  212 ′) is of fork-like design and has at least one lower arm which is articulated to an erecting structure base joint ( 15 ;  215 ;  215 ′) on the longitudinal beam ( 11 ,  11 ′), 
 wherein the erecting structure ( 12 ;  12 ′;  212 ;  212 ′) comprises two upper arms ( 13 ;  13 ′;  213 ) which are spaced apart from one another and are arranged at a distance from the longitudinal beam ( 11 ;  211 ;  211 ′) arranged between them, 
 wherein the crossbar ( 14 ;  14 ′;  214 ;  214 ′) extends above the longitudinal beam ( 11 ;  211 ;  211 ′) and transversely between the lower arms and/or the upper arms ( 13 ;  13 ′;  213 ;  213 ′) and connects them to one another, 
 wherein the linear drive ( 21 ;  221 ;  221 ′) is articulated to the longitudinal beam ( 11 ;  211 ;  211 ′) and to the erecting structure ( 12 ;  12 ′;  212 ;  212 ′) and, when the erecting structure ( 12 ;  12 ′;  212 ;  212 ′) is lowered, is arranged between the longitudinal beam ( 11 ;  211 ;  211 ′) and one of the upper arms ( 13 ;  213 ;  213 ′) of the erecting structure ( 12 ;  12 ′;  212 ;  212 ′), and 
 wherein two head support bearing elements ( 19 ;  19 ′;  219 ;  219 ′) are provided for the head support ( 32 ) or the head support platform ( 232 ;  232 ′), that the erecting structure ( 12 ;  12 ′;  212 ;  212 ′) is articulated to a head support bearing element ( 19 ;  19 ′;  219 ;  219 ′) to be connected to the head support ( 34 ) or the head support platform ( 234 ;  234 ′) via at least one head support steering lever ( 17 ;  217 ;  217 ′) in each case and the erecting structure ( 12 ;  12 ′;  212 ;  212 ′) comprises at least one support element for supporting the back support ( 32 ) or the back support platform ( 232 ;  232 ′) during erection. 
 
     
     
         2 . The funcitonal fitting ( 10 ;  10 ′;  210 ;  210 ′) according to  claim 1 , wherein the back support ( 32 ) or the back support platform ( 232 ;  232 ′) is articulated to the head support platform ( 234 ;  234 ′) or to the head support ( 32 ) via a head support joint ( 33 ;  33 ′;  232 ;  232 ′),
 the arms of the erecting structure ( 12 ;  12 ′;  212 ;  212 ′) are each connected to a head support steering lever ( 17 ;  17 ′;  217 ;  217 ′) via a coupling joint ( 17 . 2 ;  17 . 2 ′;  217 . 2 ;  217 . 2 ′), which are each connected to a head support bearing element ( 19 ;  19 ′;  219 ;  219 ′) via a further coupling joint ( 17 . 1 ;  17 . 1 ′;  217 . 1 ;  217 . 1 ′). 
 
     
     
         3 . The functional fitting ( 10 ;  10 ′;  210 ;  210 ′) according to  claim 1 , wherein the pivot angle of the steering lever ( 17 ) is limited by at least one fixed stop ( 16 . 4 ;  216 . 4 )) on an upper arm ( 13 ;  13 ′;  213 ;  213 ′). 
     
     
         4 . The functional fitting ( 10 ;  10 ′;  210 ;  210 ′) according to  claim 1 , wherein the pivot angle of the steering lever ( 17 ) for the head support ( 34 ) or the head support platform ( 34 ;  34 ′) is limited by at least one fixed stop ( 16 . 4 ;  216 . 4 ) on the head support bearing element ( 19 ;  19 ′). 
     
     
         5 . The functional fitting ( 10 ;  10 ′;  10 ′;  210 ;  210 ′) according to  claim 1 , wherein the support element for the back support ( 32 ) or the back support platform ( 232 ) is designed as a back support steering lever ( 16 ;  216 ;  216 ′) which is connected to an upper arm ( 13 ;  13 ′;  213 ;  213 ′) of the erecting structure ( 12 ;  12 ;  212 ;  212 ′) via a coupling joint ( 16 . 2 ;  216 . 2 ;  215 . 2 ′) and which is articulated to a back support bearing element ( 18 ;  18 ′;  218 ;  218 ′) to be fixedly attached to the back support ( 32 ) or the back support platform ( 232 ) via a coupling joint ( 16 . 1 ;  216 . 1 ;  216 . 1 ′). 
     
     
         6 . The functional fitting ( 10 ;  10 ′;  10 ′;  210 ;  210 ′) according to  claim 5 , wherein the pivot angle of the steering lever ( 16 ;  16 ′;  216 ;  216 ′) for the back support ( 32 ) or the back support platform ( 232 ;  232 ′) is limited by at least one fixed stop ( 16 . 4 ) of the steering lever ( 16 ,  16 ′;  216 ;  216 ′) supported on an upper arm ( 13 ;  13 ′;  213 ;  213 ′). 
     
     
         7 . The functional fitting ( 10 ;  10 ′;  10 ′;  210 ;  210 ′) according to  claim 6 , wherein the at least one fixed stop ( 16 . 4 ;  216 . 4 ;  216 . 4 ′) is formed by a notch in the steering lever ( 16 ;  216 ;  216 ′). 
     
     
         8 . The functional fitting ( 10 ) for a bed base of a box spring bed according to  claim 1 , wherein the support element for the back support ( 32 ) is formed by at least one castor ( 20 ′) which projects at least partially above the erecting structure ( 12 ′). 
     
     
         9 . The functional fitting ( 10 ′) according to  claim 8 , wherein at least one castor ( 20 ′) includes a pair of castors ( 20 ′) is arranged on each upper arm ( 13 ′). 
     
     
         10 . A head and back support unit ( 30 ;  230 ;  230 ′) for a bed base ( 100 ) of a box spring bed, which bed base ( 100 ) comprises a bed frame ( 50 ) with at least one central plate ( 55 ), or for a platform bed with a bed frame ( 250 ),
 with at least:
 the functional fitting ( 10 ;  210 ) according to  claim 1 , 
 a back support ( 32 ) or back support platform ( 232 ;  232 ′) which is to be connected in an articulated manner to the central plate ( 55 ) or to the bed frame ( 250 ) via a back support joint ( 240 ) and to which the back support bearing element ( 18 ;  218 ;  218 ′) is attached, and 
 a head support ( 34 ) or head support platform ( 234 ;  234 ′) articulated to the back support ( 32 ) or the back support platform ( 232 ;  232 ′) to which the head support bearing element ( 19 ;  219 ;  219 ′) is attached. 
 
 
     
     
         11 . The head and back support unit ( 30 ;  230 ;  230 ′) according to  claim 10 , wherein
 that the head support steering lever ( 17 ;  217 ;  217 ′) is longer than the back support steering lever ( 16 ;  216 ;  216 ′) and 
 that in the lowered resting state of the erecting structure ( 12 ;  212 ;  212 ′) the distance xS measured in the longitudinal direction between the coupling joints ( 16 . 1 ,  17 . 1 ;  216 . 1 ;  216 . 1 ′;  217 . 1 ;  217 . 1 ′) on the head support ( 34 ) and on the back support ( 32 ) or the head support platform ( 234 ;  234 ′) is smaller than the distance xA between the coupling joints ( 16 . 2 ,  17 . 2 ;  216 . 2 ;  216 . 2 ′;  217 . 2 ;  217 . 2 ′) on the upper arms ( 13 ;  13 ′;  213 ;  213 ′) of the erecting structure ( 12 ;  212 ;  212 ′). 
 
     
     
         12 . The head and back support unit ( 30 ′) for a bed base ( 100 ′) of a box spring bed, which bed base ( 100 ′) comprises a bed frame ( 50 ) with at least one central plate ( 55 ),
 with at least:
 the functional fitting ( 10 ′) according to  claim 7 ; 
 a back support ( 32 ) to be connected in articulated manner to the central plate ( 55 ) and 
 a head support ( 34 ) articulated to the back support ( 32 ) to which the head support bearing element ( 19 ) is attached, 
 
 wherein the at least one castor ( 20 ′) has no contact with the rear side of the back support ( 32 ) in the lowered rest position of the erecting structure ( 12 ′) and rests against the rear side of the back support ( 32 ) in an intermediate position in which the head support is inclined by at least 15° with respect to a reclining plane (L) formed by an upper edge of the central plate ( 55 ). 
 
     
     
         13 . The head and back support unit ( 30 ;  30 ′;  230 ;  230 ′) according to  claim 10 , wherein the back support joint ( 31 ) and the head support joint ( 33 ) are each formed by at least two spaced-apart hinges having a common pivot axis. 
     
     
         14 . A box spring bed, comprising a bed base ( 100 ;  100 ′) with a rectangular bed frame ( 50 ), which comprises two parallel frame side parts ( 51 ,  52 ) and head and foot frame parts ( 51 ,  53 ) connecting these, as well as at least one central plate ( 55 ) extending in a reclining plane (L) between the frame side parts ( 52 ,  54 ), and with a head and back support unit ( 30 ;  30 ′) according to  claim 10 , wherein the back support ( 32 ) is connected to the central plate ( 55 ) via a back support joint ( 31 ). 
     
     
         15 . A platform bed, comprising a bed base ( 200 ) with a rectangular frame ( 250 ) comprising two parallel frame side parts ( 251 ,  252 ) and head and foot frame parts ( 253 ,  254 ) connecting these, and with a head and back support unit ( 30 ;  30 ′;  230 ) according to  claim 10 . 
     
     
         16 . The platform bed according to  claim 15 , wherein the frame ( 250 ) comprises at least one central platform ( 255 ) extending in a reclining plane (L) between the frame side parts ( 252 ,  254 ). 
     
     
         17 . The platform bed according to  claim 15 or 16 , wherein the back support platform ( 232 ) is connected to the central platform ( 255 ) via a back support joint ( 231 ). 
     
     
         18 . The platform bed according to  claim 15 , wherein the frame ( 250 ) comprises at least one cross beam ( 258 ) extending between the frame side parts ( 251 ,  252 ) and the back support platform ( 232 ) is connected to the cross beam ( 258 ) via a back support joint ( 240 ). 
     
     
         19 . A framed slatted bed base ( 200 ′) with a rectangular frame ( 250 ′) comprising two parallel frame side parts ( 251 ′,  252 ′) and head and foot frame parts ( 253 ′,  254 ′) connecting the two parallel frame side parts ( 251 ′,  252 ′), and with a head and back support unit ( 30 ;  230 ) according to  claim 10 . 
     
     
         20 . The framed slatted bed base ( 200 ′) according to  claim 19 , wherein the frame ( 250 ′) comprises a central platform ( 255 ′) extending in a reclining plane (L) between the frame side parts ( 251 ′,  252 ′).