The special feature is that cross bar (13) is engaged in the head box (11) such that it passes through at least one slot (19a, 19b, 19c) of the head box (11), and the cross rod (13) is fastened at its ends (31, 32) ends (27) of the support rods (12a, 12b).
Support-rod bracket, headrest, and mounting method
2016-11-29
Patent
Electronic Resource
English