Guide angle (1) for a flexible strip for transferring force or translatory or tensile movements over a corner comprises three support and guide regions (10a-10c) in the corner region (4) and at least on partial lengths of the two arms (2, 3) of the guide angle originating from the corner region, and support and guide parts (6, 7) for the flexible strip that protrude from the inner surfaces (5, 8) of the two arms and the corner region. - Independent claims are also included for: - (1) Angle support for a corner deviation; - (2) Corner deviation for drives for windows, doors, etc. comprising a guide angle; and - (3) Process for joining or mounting a corner deviation with a guide angle.