Abstract: The invention proposes a windscreen wiper device, especially for a motor vehicle, comprising a component forming a windscreen wiper arm which is articulated to a component forming a drive head by means of an hinge pin associated with a first of these two components and at least one pin section of which, having a cylindrical section, is received within a complementary bearing section formed in the second of the two components and which comprises a concave semi-cylindrical surface portion into which the pin section may be introduced in a direction perpendicular to the hinge pin, and retention means comprising co-operating shapes which prevent the detachment of the section of the hinge pin from the bearing section the invention being characterized in that the retention means comprise a retention rod which extends axially in the extension of the section of the hinge pin and a retention lug formed on the second component and which extends opposite the retention rod so as to cooperate therewith.