Document ID: chunk:federal_register_of_legislation:F2006L02312:body:0:p6
Version: federal_register_of_legislation:F2006L02312
Segment Type: other
Provision Reference: 
Character Range: 15717–18477

structure to which seats are to be secured, and with regard to the installation of seats;

2.3. "Seat type" means a category of seats which do not  differ essentially with respect to the following characteristics likely to affect their strength and their aggressivity;

2.3.1. Structure, shape, dimensions and materials of the load  bearing parts;

2.3.2. Types and dimensions of the seat back adjustment and  locking system;

2.3.3. Dimensions, structure and materials of the attachments  and supports (e.g. legs);

2.4. "Vehicle type" means a category of vehicles which do not  differ essentially in respect of the constructional features relevant to this Regulation;

2.5. "Seat" means a structure likely to be anchored to the vehicle structure, including its trim and attachment fittings, intended to be used in a vehicle, and to seat one or more adult persons;

2.6. "Individual seat" means a seat designed and constructed for the accommodation of one seated passenger;

2.7. "Double seat" means a seat designed and constructed for the accommodation of two seated passengers side by side, two seats side by side and having no interconnection shall be regarded as two individual seats;

2.8. "Row of seats" means a seat designed and constructed for  the accommodation of three or more seated passengers side by side; several individual or double seats arranged side by side shall not be regarded as a row of seats;

2.9. "Seat cushion" means the part of the seat which is  arranged almost horizontally and designed to support a seated passenger;

2.10. "Seat-back" means the part of the seat that is almost  vertical, designed to support the passenger's back, shoulders and, possibly, his head;

2.11. "Adjustment system" means the device by which the seat  or its parts can be adjusted to a position suited to the seated occupant;

2.12. "Displacement system" means a device enabling the seat  or one of its parts to be displaced angularly, laterally or longitudinally without a fixed intermediate position of the seat or one of its parts, to facilitate access by passengers;

2.13. "Locking system" means a device ensuring that the seat  and its parts are maintained in the position of use;

2.14. "Anchorage" means a part of the floor or of the body of  a vehicle to which a seat may be fixed;

2.15. "Attachment fittings" means bolts or other components  used to attach the seat to the vehicle;

2.16. "Trolley" means the test equipment made and used for  dynamic reproduction of road accidents involving frontal collision;

2.17. "Auxiliary seat" means a seat for the manikin mounted on  the trolley to the rear of the seat to be tested;

2.18. "Reference plane" means the plane passing through the  points of contact of the heels of the manikin, used