Window or door with a precisely controlling, but flexibly usable, sash stop mechanism

A window or a door having a fixed frame and a sash movable relative to the fixed frame, wherein the window or the door comprises:

• a straight running rail of the fixed frame in the lower region of the window or the door;
• a carriage with a roller that is movable on the running rail, the carriage having a sash part mounted on the sash and a roller part having the roller, wherein the roller part is movable transversely to the running rail in a straight line relative to the sash part in order to move the sash towards the fixed frame or away from the fixed frame;
• an actuatable drive rod, wherein the drive rod is guided in a first groove of the sash;
• a control arm which is supported directly or indirectly on the fixed frame;
• wherein the window or the door comprises:
• i) a slot on the control arm and a pin guided in the slot on the drive rod;
• and/or
• ii) a slot on the drive rod and a pin guided in the slot on the control arm;
• wherein the slot has control flanks on both sides in its longitudinal direction, wherein a displacement of the pin in the slot in a first direction causes the sash to be detached in a positively controlled manner from the fixed frame and a displacement of the pin in the slot in the second direction opposite to the first direction causes the sash to be pulled towards the fixed frame in a positively controlled manner.