Bowling center system

Abstract

A bowling centre system () comprises: a bowling lane (); a plurality of pins () positionable at predetermined points on the bowling lane (); a plurality of strings (), associated at one end, with a corresponding pin (); for each string (), a constrain system () positioned above the bowling lane () and having the other end of each string () connected to it; a pulley system () for managing the strings (), positioned between the connecting system () and the pins () and comprising a motor-driven drawbar () operatively configured to manage a predetermined length of each string () present along the pulley system (); the drawbar () is movable between a first position, allowing the pins () to be lifted from the bowling lane (), and a second position, allowing not only the pins () to be lowered onto the bowling lane () into the predetermined position but also each string () to be slackened by the release of a further first working length so that the pins () can fall freely when struck by a ball () thrown along the lane () or by other pins struck by the ball () during play; a control device () for controlling the position of the movable drawbar (); and a drive and selection system () connected to the movable drawbar () and to the control device () and configured to allow the movable drawbar () to move, when required, to at least a further, third operating position allowing the string () to be slackened by the release of a second working length different from the first working length of string () released when the second operating position is reached.