The equipment is made by a steel structure with idle rollers.
The rollers move automatically up/down in order to allow the passage of the under jaw of the puller and of the saw blade.
The movement of each roller of the cutting table comes, independently from each other, through an arm (cam), fixed to the puller-saw carriages, that acts on a plastic wheel installed at the end of a lever connected with the roller.
The return of the rollers in the high position occurs through individual springs (as soon as the cam has abandoned the rollers). During the return travel of the puller-saw carriages, the cam remains in high position in order to let the rollers in the working position.