Device for immobilising the head-rest of a motor-vehicle seat in a predetermined position

摘要

This device comprises a rod 1 which has a series of grooves 4, a tubular element 2 equipped with at least one notch 5 able to uncover one of the grooves 4 of the rod, and a spring 7 which comprises at least a first elastically deformable branch 8 able to be engaged in the notch 5 of the tubular element and in a predetermined groove 4 of the rod, and at least a second elastically deformable branch 9 able to press on the tubular element 2.