Height-adjustable supports for false floors

Abstract

The invention relates to a height-adjustable support for false floors, in particular for exhibitions, trade fairs, etc., having a foot ( 3 ) for bearing on the underlying surface, and a head ( 4 ) on which the covering panels ( 1 ) end up located, and having a spindle arrangement which connects the foot and head and of which the spindle, a threaded rod ( 5 ), is mounted in a bearing ( 9 ) such that it can be rotated at the head ( 4 ), but cannot be displaced axially, and interacts, in the foot ( 3 ), with a mating thread ( 8 ) provided in a fixed manner therein as a spindle nut, it being possible for the spindle drive to be driven by means of a handle ( 16 ). In order to allow straightforward height adjustment to be carried out even when all but one covering panel have already been laid at a supporting point, the handle is connected in a rotationally fixed manner to the spindle.

1 . A height-adjustable support for false floors having one or more covering panels, the support comprising:
 a foot ( 3 ) for bearing on an underlying surface ( 7 ), a head ( 4 ) configured to support the covering panels ( 1 ),   a spindle which connects the foot and head, where the spindle includes a threaded rod ( 5 ) that is mounted in a bearing ( 9 ) such that it can be rotated at the head ( 4 ), but cannot be displaced axially, and that also interacts with the foot ( 3 ) via a mating thread ( 8 ) provided in a fixed manner therein as a spindle nut, and   a spindle drive, incorporating the spindle nut, that is configured to be driven by means of a handle ( 16 ), characterized in that the handle is connected in a rotationally fixed manner to the spindle.   
   
   
       2 . Support according to  claim 1 , characterized in that the handle is a gearwheel ( 25 ,  25 ′) with an outer toothing formation. 
   
   
       3 . Support according to  claim 2 , characterized in that at least four apertures ( 24 ′,  24 ,  27 ,  34 ) are provided in at least one of the head ( 4 ) and the foot ( 3 ), so that it is possible for a crank ( 10 ,  22 ) with an appropriately arranged pinion ( 11 ,  23 ) to be plugged into the same. 
   
   
       4 . Support according to one of  claims 1  to  3 , characterized in that the handle ( 16 ) is arranged in the vicinity of the head ( 4 ). 
   
   
       5 . Support according to one of  claims 1  to  3 , characterized in that the handle ( 16 ) is designed as a handwheel. 
   
   
       6 . Support according to one of  claims 1  to  3 , characterized in that the handle ( 16 ) is in the form of at least four, spokes of the threaded rod ( 5 ). 
   
   
       7 . Support according to  claim 2 , characterized in that the handle ( 16 ) is a gearwheel ( 25 ′) which has wing-like protrusions ( 26 ) on at least one of its top side and its underside. 
   
   
       8 . Support according to  claim 3 , characterized in that six or eight apertures ( 24 ′,  24 ,  27 ,  34 ) are provided in at least one of the head ( 4 ) and foot ( 3 ), so that it is possible for a crank ( 10 ,  22 ) with an appropriately arranged pinion ( 11 ,  23 ) to be plugged into the same. 
   
   
       9 . Support according to  claim 6 , characterized in that the handle ( 16 ) is in the form of eight spokes of the threaded rod ( 5 ).