System for electrically coupling an electrical charging device to electrical energy storage means of an electrically driven motor vehicle, the system including: - a support embeddable in a recess made in the ground, - at least one electrically conductive bar, the bar being capable of being electrically connected to the charging device, - at least one panel for protecting the recess wherein the embeddable support is housed and capable of clearing an upper opening of the support, - at least one flap, - drive means capable of moving the bar, the protective panel and the flap: o between a retracted position where: ▪ the bar is positioned inside the recess, and where ▪ the protective panel covers the recess, ∘ and a clearance position where: ▪ the bar and the flap extend at least partially outside the recess and where ▪ the protective panel protrudes from the ground, - a control device (2, 3, 4, 5, 6, 7, 8, 10) to synchronize the movements of the bar, the flap and the protective panel, the control device being designed to control the relative movement of the bar with respect to the protective panel when an opening formed between the flap and the protective panel is sufficient to allow passage of said bar between the retracted position and the clearance position, characterized in that said flap is capable of extending upward from the support to prevent objects from falling into said upper opening, and that said flap is positioned inside the recess in the retracted position. - a support embeddable in a recess made in the ground, - at least one electrically conductive bar, the bar being capable of being electrically connected to the charging device, - at least one panel for protecting the recess wherein the embeddable support is housed and capable of clearing an upper opening of the support, - at least one flap, - drive means capable of moving the bar, the protective panel and the flap: o between a retracted position where: ▪ the bar is positioned inside the recess, and where ▪ the protective panel covers the recess, ∘ and a clearance position where: ▪ the bar and the flap extend at least partially outside the recess and where ▪ the protective panel protrudes from the ground, o between a retracted position where: ▪ the bar is positioned inside the recess, and where ▪ the protective panel covers the recess, ▪ the bar is positioned inside the recess, and where ▪ the protective panel covers the recess, ∘ and a clearance position where: ▪ the bar and the flap extend at least partially outside the recess and where ▪ the protective panel protrudes from the ground, ▪ the bar and the flap extend at least partially outside the recess and where ▪ the protective panel protrudes from the ground, - a control device (2, 3, 4, 5, 6, 7, 8, 10) to synchronize the movements of the bar, the flap and the protective panel, the control device being designed to control the relative movement of the bar with respect to the protective panel when an opening formed between the flap and the protective panel is sufficient to allow passage of said bar between the retracted position and the clearance position, characterized in that said flap is capable of extending upward from the support to prevent objects from falling into said upper opening, and that said flap is positioned inside the recess in the retracted position.