DE3301073

A guiding sleeve for head rests at vehicle seats, said sleeve slidingly accommodating a rod of the head rest and having at the upper end thereof an arresting device provided with a handling means and cooperating with an arresting abutment at the lower end of the rod and preventing the rod from being pulled out when the handling means is not actuated, wherein the sleeve bore is provided with an enlargement at the upper end thereof said enlargement accommodating an elongated spring element which has a forward longitudinal side cooperating with the head rest rod and which has a rearward longitudinal side by which it is supported at the wall of the enlargement, with an unlocking element comprised of two parallel-spaced legs arranged in said enlargement, said legs being respectively disposed laterally of the sleeve bore and having the ends thereof cooperating with the ends of the spring element while being adapted to be moved by the handling means towards the spring element in the direction of their longitudinal extension.