Dispenser for rolls of material in the form of a web

Abstract

Dispenser for rolls of material in the form of a web, such as paper, which dispenser has space for at least two rolls. A first space is intended for a roll in use position, and a second space is intended for a roll in reserve position. A retaining member is arranged so as to hold the second roll in reserve position and to interact with a roll in use position in such a manner that, when a roll is present in use position, the retaining member is held in retaining position, whereas the retaining member is freed in order to allow the reserve roll to drop down into use position when the first roll is removed. The dispenser comprises a wall bracket and a casing. Two support elements are mounted on the wall bracket inside the withdrawal opening and are intended to support a roll arranged in use position. A plate is mounted pivotably on the wall bracket about an axis and is spring-loaded below the axis.

1 . Dispenser for rolls of material in the form of a web, such as paper, nonwoven fabric, or film or foil, which dispenser comprises a housing with a withdrawal opening ( 4 ) arranged at the bottom for the material in the form of a web, the housing having space for at least two rolls ( 8 ) which are arranged in use position with their centre axes lying essentially horizontally, a first space being arranged adjacent to the withdrawal opening and being intended for a roll ( 8 ) in use position, and a second space being located above the first space and being intended for a second roll in reserve position, in addition to which a retaining means ( 12 ,  13 ) is arranged so as, in a retaining position, to hold the second roll in reserve position, the retaining means being arranged so as to interact with a roll in use position in such a manner that, when a roll is present in use position, the retaining means is held in retaining position, whereas the retaining means is freed in order to allow the reserve roll to drop down into use position when the first roll is removed, said housing comprises a wall bracket ( 1 ) and a casing ( 2 ) which is intended to be attached to it, a plate ( 9 ) is mounted pivotably on the wall bracket ( 1 ) about a horizontal axis extending transversely to the axial direction of the roll and is spring-loaded below said axis, the distance between the plate and a holding portion ( 17 ) on the casing ( 2 ) is adapted in such a manner that a roll ( 8 ) can be arranged in use position in the first space between the plate ( 9 ) and the holding portion ( 17 ) counter to the action of the spring ( 16 ), said retaining means ( 12 ,  13 ) is pivotable together with the plate ( 9 ) about the same horizontal axis between the retaining position and a freed position, and the plate ( 9 ), the spring ( 16 ) and the retaining means ( 12 ,  13 ) are arranged so as to interact in such a way that the spring, when it is relieved when the first roll is removed, brings the retaining means from the retaining position into the freed position, characterized in that at least two support means ( 6 ,  7 ), in the form of wheels, are mounted on the wall bracket inside the withdrawal opening ( 4 ) and are intended to support the roll ( 8 ) of the material in the form of a web arranged in use position in the first space, and in that said wheels have such an axial extent from the wall bracket ( 1 ) that, when a roll ( 8 ) of material in the form of a web is arranged in the first space between the plate ( 9 ) and the holding portion ( 17 ), they extend at least 4 millimetres, suitably 8 millimetres in under the roll.  
     
     
         2 . Dispenser according to  claim 1 , characterized in that the retaining means ( 12 ,  13 ) is connected rigidly to the plate ( 9 ) or formed in one piece with it.  
     
     
         3 . Dispenser according to  claim 1  or  2 , characterized in that the retaining means is provided with at least two support pins ( 12 ,  13 ) which project in a direction away from the wall bracket and are intended, in the retaining position of the retaining means, to support the reserve roll.  
     
     
         4 . Dispenser according to  claim 3 , characterized in that said support pins ( 12 ,  13 ) are arranged on holding arms ( 10 ,  11 ) projecting vertically upwards from the plate ( 9 ).  
     
     
         5 . Dispenser according to any one of the preceding claims, characterized in that the wall bracket ( 1 ) has, in the second space, a support ( 14 ) which projects from the rest of the wall bracket and the outer support surface of which is located essentially in the same vertical plane as the outer surface of the plate ( 9 ) when the plate is pivoted in counter to the action of the spring by a roll of material in the form of a web introduced into the use position.  
     
     
         6 . Dispenser according to any one of the preceding claims, characterized in that friction means in the form of at least one inwardly protruding projection ( 15 ) or the like is located on the inside of the casing ( 2 ), which is intended to brake a roll on its way from the reserve position to the use position.  
     
     
         7 . Dispenser according to any one of the preceding claims, characterized in that the holding portion ( 17 ) has a smooth outer surface of low friction, such as a polished panel of stainless steel, in order to facilitate rotation of the roll arranged in use position when web material is fed out.  
     
     
         8 . Dispenser according to any one of the preceding claims, characterized in that the casing ( 2 ) is provided with an openable upper portion ( 3 ), via which a roll of material in the form of a web can be introduced into said reserve position in the second space.  
     
     
         9 . Dispenser according to  claim 8 , characterized in that an openable cover ( 3 ) is arranged outside the casing ( 2 ), and in that said cover is provided with one or more transparent portions which are intended to make it possible to observe whether there are rolls of material in the form of a web in use position and in reserve position.