DEVICE FOR A SYSTEM FOR CONNECTING A BLADE TO A WINDSCREEN WIPER ARM

First member (30, 130) for a connection system of a blade (12, 112) to a wiper arm (14, 114), said first member being configured to be secured to said blade or said arm and comprising articulation means (32, 132) configured to cooperate with complementary means (34, 134) of a second member (26, 126) of the connection system, to define an articulation axis (Y) of the first member with respect to said second member, which is an articulation axis of said blade with respect to said arm, said first member (30, 130), the first member comprising first stop means (36a, 36b, 136a, 136b) which are configured to cooperate with said second member to retain said first member with respect to said second member in translation along said articulation axis, in a first direction, and second stop means (38a, 136a, 136b) which are configured to cooperate with said second member to retain the first member with respect to said second member in translation along said articulation axis, in a second direction opposite to the first direction.