Window fitting for single handed swinging and tilting of the window

A fitting for a window having a casement and a frame for the single-handed swinging and tilting of such window, said fitting being arranged, with the exception of an operating handle provided with a position locking facility, concealed between the frame and casement of the window, comprising at least one lock facility consisting of a lock pin on the casement side and a lock plate on the frame side, a tilting facility including a lock element associated with the bottom cross member of the window frame;

• a bottom hinge for swinging and tilting;
• and a top hinge for swinging cooperating with a scissors-type lever system including a lock element for tilting the window, the improvement comprising:
• a flat belt having connected free ends and revolving in the casement of the window in a guide channel having inserted corner-turning means, said belt being rigidly connected with a drive lug for the operating handle, the lock pin of the lock facility, a locking element of the tilting facility, and with a lock element for the scissors-type lever system for tilting the window open, the free ends of the revolving flat belt being connected with each other in the guide channel of the bottom cross member of the window casement by a spring-loaded screw clamp consisting of a holding element slidably inserted in the guide channel of the window casement for one end of the flat belt, and a connecting element slidably guided in said holding element for the other end of the flat belt, with a lock screw guided through a first attachment of the holding element engaging a second attachment of the connecting element, said second attachment being arranged opposite said first attachment of the holding element, and with a compression spring provided between the first attachment of the holding element and the head of the lock screw.