Motorized Functional Fitting for Box-Spring Beds

Abstract

The invention relates to a motorized functional fitting ( 2; 4 ) for a box-spring bed, said functional fitting comprising: a longitudinal member ( 2.1; 4.1 ) extending in a longitudinal axis of the member; a longitudinal member ( 2.1; 4.1 ) rotatably connected in an articulated manner to said longitudinal member; an articulated upright framework ( 2.5; 4.5 ); and a linear drive ( 2.4; 4.4 ) that is connected to the longitudinal member ( 2.1; 4.1 ) and acts on the upright framework ( 2.5; 4.5 ). In order to simplify the design, according to the invention: the longitudinal member ( 2.1; 4.1 ) can be fastened to the frame ( 6 ) or the center plate ( 8 ); an inner end face of the longitudinal member ( 2.1; 4.1 ) is designed to be fastened directly or indirectly to the center plate ( 8 ) or to the frame side parts ( 6.1; 6.2 ); the drive is located laterally adjacent to the longitudinal member ( 2.4; 4.4 ); the upright framework ( 2.5; 4.5 ) is rotatably connected in an articulated manner to the longitudinal member ( 2.1; 4.1 ) at a fastening end that is lower in the installed position; and the linear drive ( 2.4; 4.4 ) rotatably engages the upright framework ( 2.5; 4.5 ) at a swivel end that is at a distance from the fastening end along a longitudinal axis of the upright framework.

1 . A motorized functional fitting ( 2 ;  4 ) for a box spring bed, the box spring bed having a bed frame with two frame side parts ( 6 . 1 ;  6 . 2 ) extending in a bed longitudinal axis as well as with a head frame part ( 6 . 3 ) and a foot frame part ( 6 . 4 ) transversely extending at a head end and at a foot end, a central plate ( 8 ) extending in a lying plane between the side parts, a head plate ( 12 ) pivotably connected to the central plate ( 8 ) about a head plate pivot axis transversely extending to the bed longitudinal axis at a head end of the central plate ( 8 ), and a foot plate is placed pivotable about a foot plate ( 14 ) pivotably connected to the central plate ( 8 ) about a foot plate pivot axis transversely extending to the bed longitudinal axis at a foot end, the functional fitting ( 2 ;  4 ) comprising:
 a longitudinal beam ( 2 . 1 ;  4 . 1 ) extending in a beam longitudinal axis, that is configured for the connection to the head frame part ( 6 . 4 ) or the foot frame part ( 6 . 4 ) of the bed frame,   at least one lift-up frame ( 2 . 5 ;  4 . 5 ) rotatably hinged at a point of rotation to the longitudinal beam ( 2 . 1 ;  4 . 1 ), and   a linear drive ( 2 . 4 ;  4 . 4 ) connected to the longitudinal beam ( 2 . 1 ;  4 . 1 ) and acting on the lift-up frame ( 2 . 5 ;  4 . 5 ), the linear drive converts a rotatory movement of an electric motor to a translation movement of a lifting tube housed in the linear drive by being relatively movable; and   wherein the lifting tube can be rotatably connected or is connected to the lift-up frame ( 2 . 5 ;  4 . 5 ) in such a manner that, upon actuation of the linear drive, the lift-up frame ( 2 . 5 ;  4 . 5 ) can be moved from a lowered rest position to a lifted position that forms an acute angle with the longitudinal axis of the longitudinal beam ( 2 . 1 ;  4 . 1 ),   wherein the longitudinal beam ( 2 . 1 ;  4 . 1 ) comprises an outer mounting position on an outer front end that is configured for being attached to the head frame part or to the foot frame part ( 6 . 3 ;  6 . 4 ),   wherein an inner front end of the longitudinal beam ( 2 . 1 ;  4 . 1 ) —that is opposite to the outer front end—is configured for being attached directly or indirectly to the central plate ( 8 ) or to the frame side parts ( 6 ,  1 ;  6 . 2 ),   wherein the linear drive is placed laterally besides the longitudinal beam  2 . 1 ;  4 . 1 ),   wherein the lift-up frame ( 2 . 5 ;  4 . 5 ) is rotatably hinged on the longitudinal beam ( 2 . 1 ;  4 . 1 ) at a mounting position on a lower attachment end, and   wherein the lifting tube of the linear drive ( 2 . 4 ;  4 . 4 ) rotatably engages on the lift-up frame ( 2 . 5 ;  4 . 5 ) at a pivot end spaced from the attachment end along a lift-up frame longitudinal axis.   
     
     
         2 . The motorized functional fitting according to  claim 1 , wherein the linear drive ( 2 . 4 ;  4 . 4 ) includes a rear motor that engages at the outer front end of the longitudinal beam ( 2 . 1 ;  4 . 1 ) and the attachment end of the lift-up frame ( 2 . 5 ;  4 . 5 ) at the inner front end of the longitudinal beam ( 2 . 1 ;  4 . 1 ). 
     
     
         3 . The motorized functional fitting according to  claim 1 , wherein
 the lift-up frame is configured to have a fork-shape that includes a lower arm at the attachment end that merges at a transition area along the lift-up frame longitudinal axis into two upper arms that are transversely spaced from each other, and   a connecting arm, on which the drive ( 2 . 1 ;  4 . 2 ) engages, extends transversely between the upper arms.   
     
     
         4 . The motorized functional fitting according to  claim 1 , wherein the foot plate ( 14 ) is divided into an upper leg plate ( 14 . 1 ) and a lower leg plate ( 14 . 2 ) that are pivotably connected to each other about a further pivot axis. 
     
     
         5 . The motorized functional fitting according to  claim 1 , wherein the motor end of the linear drive ( 2 . 1 ;  4 . 2 ) engages as low as possible on the longitudinal beam ( 2 . 1 ;  4 . 1 ) and a front end of the drive engages as far as possible vertically spaced from the attachment end of the lift-up frame ( 2 . 5 ;  4 . 5 ). 
     
     
         6 . The motorized functional fitting according to  claim 1 , wherein the motorized functional fitting has an adaptive configuration in order to adapt the length of the longitudinal beam to different bed lengths. 
     
     
         7 . The motorized functional fitting according to  claim 6 , further comprising a front-end adapter ( 2 . 9 ,  2 . 10 ,  2 . 11 ,  2 . 16 ,  2 . 17 ) for prolonging the longitudinal beam along the beam longitudinal axis, and
 wherein the front-end adapter ( 2 . 9 ,  2 . 10 ,  2 . 11 ,  2 . 16 ,  2 . 17 ) includes a proximal longitudinal beam attachment portion for attaching to the longitudinal beam ( 2 . 1 ) and a distal frame attachment portion for attaching to the frame ( 6 ).   
     
     
         8 . The motorized functional fitting according to  claim 7 , wherein the longitudinal beam attachment portion of the front-end adapter ( 2 . 9 ,  2 . 10 ,  2 . 11 ,  2 . 16 ,  2 . 17 ) can be locked in different nominal positions in the longitudinal beam ( 2 . 1 ) or in a cross beam ( 2 . 6 ,  2 . 7 ,  2 . 8 ). 
     
     
         9 . The motorized functional fitting according to  claim 7 , wherein the frame attachment portion comprises a supporting bracket ( 2 . 13 . 2 ,  2 . 17 . 2 ,  2 . 19 ) for attaching to an inner edge or a mounting flange ( 2 . 10 . 2 ,  2 . 18 ) for attaching to an inner side of the frame ( 6 ). 
     
     
         10 . The motorized functional fitting according to  claim 7 , wherein the longitudinal beam attachment portion comprises an insertion profile ( 2 . 10 . 1 ;  2 . 11 . 1 ;  2 . 13 . 1 ;  2 . 13 . 1 ;  2 . 16 . 1 ) configured to be inserted into the longitudinal beam ( 2 . 1 ) and that is displaceable relative thereto. 
     
     
         11 . The motorized functional fitting according to  claim 1 , further comprising
 an attachment bracket ( 2 . 12 ) located on the longitudinal beam ( 2 . 1 ) for the rotatable attachment of the lower end of the lift-up frame ( 2 . 5 ;  4 . 5 ) and/or of the linear drive ( 2 . 4 ), and   wherein the attachment bracket ( 2 . 12 ) is provided with a hole ( 2 . 12 . 4 ) or a through hole.   
     
     
         12 . The motorized functional fitting according to  claim 11 , wherein the attachment bracket ( 2 . 12 ) is substantially U-shaped and with an inner leg ( 2 . 12 . 1 ) that can be connected in a mounting position on an inside of the longitudinal beam, the inner leg to which a transverse leg ( 2 . 12 . 2 ) transversely extends that then merges into an outer leg ( 2 . 12 . 3 ) having the hole ( 2 . 12 . 4 ). 
     
     
         13 . The motorized functional fitting according to  claim 1 , further comprising a cross beam ( 2 . 6 ;  2 . 7 ;  2 . 8 ) that transversely extends to the longitudinal beam longitudinal axis and is located at the inner front end of the longitudinal beam ( 2 . 1 ). 
     
     
         14 . The motorized functional fitting according to  claim 13 , wherein the cross beam ( 2 . 6 ) is configured for attaching to the lower side of the central plate ( 8 ). 
     
     
         15 . The motorized functional fitting according to  claim 13 , wherein the cross beam ( 2 . 8 ) has an adaptive design. 
     
     
         16 . The motorized functional fitting according to  claim 15 , further comprising front-end adapters ( 2 . 9 ) configured to be inserted into the cross beam ( 2 . 8 ) for attaching to frame side parts ( 6 . 1 ,  6 . 2 ). 
     
     
         17 . A box spring bed comprising:
 a bed frame with two frame side parts ( 6 . 1 ;  6 . 2 ) extending in a bed longitudinal axis,   a head frame part and a foot frame part ( 6 . 3 ,  6 . 4 ) transversely extending at a head end and at a foot end,   a central plate ( 8 ) extending in a lying plane between the side parts,   a head plate ( 12 ) pivotably connected to the central plate ( 8 ) about a head plate pivot axis transversely extending to the bed longitudinal axis at a head end of the central plate,   a foot plate ( 14 ) pivotably connected to the central plate ( 8 ) about a foot plate pivot axis transversely extending to the bed longitudinal axis at a foot end with the central plate ( 8 ), and   the motorized functional fitting ( 2 ;  4 ) according to  claim 1 .   
     
     
         18 . The motorized functional fitting according to  claim 1 , wherein the lifting tube is continuously adjustable for lifting or lowering the head part or the foot part from or into the lying plane. 
     
     
         19 . The motorized functional fitting according to  claim 9 , wherein the supporting bracket attaches to the inner edge of a cross beam ( 6 . 5 ,  6 . 6 ). 
     
     
         20 . The motorized functional fitting according to  claim 12 , wherein the outer leg ( 2 . 12 . 3 ) extends parallel to the inner leg ( 2 . 12 . 1 ).