In order to achieve a mechanical retraction of piles in a sheet feeding apparatus with a lifting table, the lifting table can be lowered to the level of the floor and serves to take up, one at a time, a pile supporting surface loaded with a pile of sheets. Each of the pile supporting surfaces is in the form of a mobile carriage and there is a carriage retracting mechanism with a tugging device whi...

In order to achieve a mechanical retraction of piles in a sheet feeding apparatus with a lifting table, the lifting table can be lowered to the level of the floor and serves to take up, one at a time, a pile supporting surface loaded with a pile of sheets. Each of the pile supporting surfaces is in the form of a mobile carriage and there is a carriage retracting mechanism with a tugging device whi...

A loudspeaker enclosure comprises a rectangular box-like housing (100) consisting of top (102) and bottom walls (104), front and back walls (106), left (108) and right (110) side walls, each of the walls being formed by a wooden panel, a hollow stiffening structure (200) located within the housing (100) and extending from the top wall (102) to the bottom wall (104), from the front wall to the back...