Moving stairway or sideway cleaning device

Abstract

The invention relates to an improved cleaning device for moving stairways or sidewalks that is characterized in that it comprises in addition to its cleaning head ( 7 ) an off-set support leg ( 13 ). The cleaning device is further provided with a gripper, guide, steering and/or control device ( 3 ) that comes to rest above the support ( 16 ) of the support leg ( 13 ), and/or the cleaning head can be swiveled by 180° with respect to its operative position and/or the cleaning device is further provided with a strip-shaped broom device ( 41 ) that has the function of a sealing strip for a suction strip ( 23 ).

1 . Cleaning appliance, in particular for moving stairways and moving walkways, having the following features: 
 with a cleaning head ( 7 ) with a rotating floor-treatment device ( 9 ), preferably in the form of one or two roller brushes ( 9 ;  9 ′;  9 ″) seated axially one beside the other,    preferably with at least one suction strip ( 23 ), which is arranged adjacent to the floor-treatment device ( 9 ), and preferably a shielding device, which is also located adjacent thereto and extends at least part of the way to the floor surface,    with a supporting-foot device which is offset in relation to the cleaning head ( 7 ),    with a gripping, guiding, steering and/or controlling device ( 3 ), which ends up located above the support ( 16 ,  17 ) of the supporting-foot device ( 13 ),    characterized by the following further features:    the supporting-foot device ( 13 ) has further rollers ( 45 ), which are oriented with their running surface in the direction transverse to the cleaning appliance and are arranged such that the cleaning appliance can be displaced in the transverse direction.    
     
     
         2 . Cleaning appliance according to  claim 1 , characterized in that, by virtue of compressive forces being introduced into the gripping, guiding, steering and/or controlling device ( 3 ), the cleaning appliance can be tilted about the supporting-foot device ( 13 ) resting on the floor, such that the cleaning head ( 7 ) can be raised and lowered.  
     
     
         3 . Cleaning appliance according to  claim 1  or  2 , characterized in that the supporting-foot device ( 13 ) is provided, at the bottom, with a roller or sliding device ( 21 ), preferably with rollers ( 21 ).  
     
     
         4 . Cleaning appliance according to one of  claims 1  to  3 , characterized in that sliding and/or rolling devices are provided in the region of the cleaning head ( 7 ).  
     
     
         5 . Cleaning appliance according to  claim 4 , characterized in that the sliding and/or rolling devices provided in the region of the cleaning head ( 7 ) are arranged such that the bristles of the rotating brush device ( 9 ) project sufficiently downward beyond the sliding or rolling surfaces.  
     
     
         6 . Cleaning appliance according to  claim 4  or  5 , characterized in that the rolling and/or sliding devices ( 25 ,  35 ,  37 ) in the region of the cleaning head ( 7 ) are arranged, in relation to the position and length of the rotating roller-brush device ( 9 ), such that the free ends of the rotating roller-brush device ( 9 ) extend as far as the base ( 27 ) of the longitudinal grooves ( 29 ) of a moving-stairway or moving-walkway element ( 31 ).  
     
     
         7 . Cleaning appliance according to one of  claims 1  to  6 , characterized in that provided in the region of the cleaning head ( 7 ) is a leading sliding device ( 37 ,  37 ′;  36 ) which extends, at least in part, in the width direction of the cleaning appliance and has the rotating roller-brush device ( 9 ) projecting beyond it in the direction of the floor surface.  
     
     
         8 . Cleaning appliance according to one of  claims 1  to  7 , characterized in that provided on the mutually opposite outer end sides of the roller-brush device ( 9 ) are lateral sliding devices ( 35 ) which have the rotating roller-brush device ( 9 ) projecting beyond them in the direction of the floor surface.  
     
     
         9 . Cleaning appliance according to one of  claims 1  to  8 , characterized in that the suction strip ( 23 ) has an outlet opening ( 23 ′) which is configured as a sliding device.  
     
     
         10 . Cleaning appliance according to one of  claims 1  to  9 , characterized in that the outlet opening ( 23 ′) of the suction strip ( 23 ) terminates at such a vertical position relative to the cleaning head ( 7 ) that the bristles of the rolling-brush device ( 9 ) project beyond the suction strip ( 23 ) to a sufficient extent in the direction of the floor surface.  
     
     
         11 . Cleaning appliance, in particular for moving stairways and moving walkways, having the following features: 
 with a cleaning head ( 7 ) with a rotating floor-treatment device ( 9 ), preferably in the form of one or two roller brushes ( 9 ;  9 ′;  9 ″) seated axially one beside the other,    preferably with at least one suction strip ( 23 ), which is arranged adjacent to the floor-treatment device ( 9 ), and preferably a shielding device, which is also located adjacent thereto and extends at least part of the way to the floor surface,    in particular according to one of  claims 1  to  10 , characterized in that provided parallel to the suction strip ( 23 ), located opposite to the rotating roller-brush device ( 9 ), is a brush-strip device ( 41 ) which is in the manner of a sealing strip and projects beyond the outlet opening ( 23 ) of the suction strip ( 23 ) in the direction of the floor surface.    
     
     
         12 . Cleaning appliance according to  claim 11 , characterized in that the brush-strip device ( 41 ) has bristles which are of such a length that they extend as far as the groove base ( 27 ) of a moving-stairway or moving-walkway element provided with longitudinal ribs ( 29 ).  
     
     
         13 . Cleaning appliance according to  claim 11  or  12 , characterized in that the brush-strip device ( 41 ) comprises at least two offset brush-strip arrangements ( 41 ′,  41 ″), which are oriented differently and/or are of different length dimensions.  
     
     
         14 . Cleaning appliance, in particular for moving stairways and moving walkways, with a cleaning head ( 7 ) with a rotating floor-treatment device ( 9 ), preferably in the form of one or two roller brushes ( 9 ;  9 ′;  9 ″) seated axially one beside the other, and preferably with at least one suction strip ( 23 ), which is arranged adjacent to the floor-treatment device ( 9 ), and preferably a shielding device, which is also located adjacent thereto and extends at least part of the way to the floor surface, it being possible for the cleaning head ( 7 ) to be rotated through 180°, in particular according to one of  claims 1  to  13 , characterized in that the orientation and relative positioning of the suction strip ( 23 ) and/or of the brush-strip device ( 41 ) can be automatically adjusted, in particular pivoted, to follow the profile of the cleaning surface, in particular of the end-wall side ( 47 ) of a moving-stairway element which is to be cleaned.  
     
     
         15 . Cleaning appliance according to one of claims  1  to  14 , characterized in that the cleaning head ( 7 ) has at least two treatment positions, namely a first functional position, in which the suction strip ( 73 ) and the brush-strip device ( 41 ) end up following the rotating roller-brush device ( 9 ), and a second functional position, in which the suction strip ( 23 ) and the brush-strip device ( 41 ), which still precedes the suction strip, end up preceding the rotating roller-brush device ( 9 ).  
     
     
         16 . Cleaning appliance according to one of  claims 1  to  16 , characterized in that there is provided a pivot guide ( 42 ) via which the suction strip ( 23 ) and/or the brush-strip device ( 41 ) can be pivoted about an axis which preferably coincides with the drive axis of the roller-brush device ( 9 ).