ASSEMBLAGE D'UNE TIGE D'APPUI-TETE SUR UN SIEGE AU MOYEN D'UNE GAINE POURVUE DE TROIS ERGOTS

摘要

The device (1) has a rectilinear rod (2) and a sheath (3). The sheath has a rectilinear pipe (4) opening in section similar to a section of the rod so as to receive the rod. The pipe has an inner side with two end pins (5) and a median pin (6). The end pins are arranged along a common generator and a median pin is arranged on the generator opposite with respect to axis of the pipe. The pins are respectively arranged so as to create a locking contact with the rod. An independent claim is also included for a sheath of a headrest assembling device.