Catch holder element for reversible fixing of components in particular for the wall or ceiling fitting of projection screen systems

摘要

The catch holding element (11) has two locking slides (1) each having a walling connection plate (1a) and a returning unit. The latching slide is displaceable between an open position and a closed position. The locking slides are arranged in mutually opposite directions and their movements are coupled by coupling elements. Independent claims are also included for the following: (1) a screen system with disk or guidance for form fit engaging of walling connection plate of a catch holding element; and (2) a method for mounting screen systems.