Wiper blade and wiper device for cleaning a vehicle windscreen, and method for mounting a wiper blade

A wiper blade for cleaning a vehicle windscreen, comprising:

• a wiper blade body which extends along a longitudinal axis;
• a wiper blade adapter which is connected to the wiper blade body and has a first adapter element, connected to the wiper blade body, and a second adapter element, which can be connected to a wiper arm,
• wherein the two adapter elements are arranged configured to be pivoted in relation to one another in a direction, running perpendicularly to the longitudinal axis, on an axis of rotation,
• wherein the wiper blade has a flat construction,
• wherein the second adapter element has a receptacle configured to receive a cross-sectionally rectangular at least substantially planar end portion of the wiper arm,
• wherein in an operating position of the wiper blade adapter, the second adapter element is arranged in a cross-sectionally U-shaped depression in the first adapter element, and
• in a region of side walls facing towards the second adapter element, the first adapter element has groove-shaped guides for receiving extensions which are arranged on the second adapter element, said extension have a round cross section and are arranged in line with the axis of rotation in the operating position of the wiper blade adapter,
• wherein the guides form a first limit stop, running in a direction of the longitudinal axis, for the extensions in the operating position of the wiper blade adapter, and
• wherein a second limit stop, formed in the direction of the longitudinal axis counter to the direction of the first limit stop, for the second adapter element is formed by a transverse wall, which longitudinally delimits the depression and against which the second adapter element lies in a region of a front side thereof.