Document ID: chunk:federal_register_of_legislation:F2017C00972:body:0:p7
Version: federal_register_of_legislation:F2017C00972
Segment Type: other
Provision Reference: 
Character Range: 19270–22249

"Head restraint" means a device whose purpose is to limit the rearward displacement of an adult occupant's head in relation to his torso in order to reduce the danger of injury to the cervical vertebrae in the event of an accident;

        2.12.1. "Integrated head restraint" means a head restraint formed by the upper part of the seat‑back.  Head restraints meeting the definitions of paragraphs 2.12.2. or 2.12.3. below but which can only be detached from the seat or the vehicle structure by the use of tools or by partial or complete removal of the seat covering, meet the present definition;

        2.12.2. "Detachable head restraint" means a head restraint consisting of a component separable from the seat designed for insertion and positive retention in the seat‑back structure;

        2.12.3. "Separate head restraint" means a head restraint consisting of a component separate from the seat, designed for insertion and/or positive retention in the structure of the vehicle;

        2.13. "R point" means the seating reference point as defined in annex 3 to this Regulation;

        2.14. "Reference line" means the line on the manikin reproduced in annex 3, appendix 1, figure 1, to this Regulation.

        2.15.  "Partitioning system" means parts or devices which, in addition to the seat-backs, are intended to protect the occupants from displaced luggage; in particular, a partitioning system may be constituted by netting or wire mesh located above the level of the seat-backs in their upright or folded down position.  Head restraints fitted as standard equipment for vehicles equipped with such parts or devices shall be considered as part of the partitioning system.  However, a seat equipped with a head restraint shall not be considered as being on its own a partitioning system.

3. APPLICATION FOR APPROVAL

        3.1. The application for approval of a vehicle type shall be submitted by the vehicle manufacturer or by his duly accredited representative.

        3.2. It shall be accompanied by the following documents in triplicate and the following particulars:

        3.2.1. a detailed description of the vehicle type with regard to the design of the seats, their anchorages, and their adjustment, displacement and locking systems;

        3.2.1.1. A detailed description and/or drawings of the partitioning system, if applicable.

        3.2.2. drawings, on an appropriate scale and in sufficient detail, of the seats, their anchorages on the vehicle, and their adjustment, displacement and locking systems.

3.2.3. In the case of a seat with a detachable head restraint:

        3.2.3.1. a detailed description of the head restraint, specifying in particular the nature of the padding material or materials;

        3.2.3.2. a detailed description of the location, the type of support and the attachments for mounting the head restraint on the seat.

        3.2.4. In the case of a separate head restraint:

        3.2.4.1. a detailed