Device for locking metallic rod associated with headrest at backrest of seat of car, has recess including side walls arranged to allow anchoring of block in recess relative to effort exerted on block upward or downward

摘要

The device (1) has a metal locking part (7) including an insertion zone extending according to a horizontal plane. The zone is equipped with an insertion edge in a notch (3). The recess is filled by a block (12) of plastic material. The block is projected from the edge to form a shoe (11) that prevents contact between the part and a metallic rod (2) when the part is spaced from the notch while allowing insertion of the part in the notch. The recess includes two side walls arranged to allow anchoring of the block in the recess relative to effort exerted on the block upward or downward.