Document ID: chunk:federal_register_of_legislation:F2019C00042:reg:1:p16
Version: federal_register_of_legislation:F2019C00042
Segment Type: reg
Provision Reference: reg 1 (pt 16/21)
Character Range: 213778–216996

case corresponding information shall be included in table 2 of Appendix 3 of this annex.

         4. ISOFIX child restraint system size classes and fixtures

          A - ISO/F3: Full-Height Forward Facing toddler CRS
          B - ISO/F2: Reduced-Height Forward Facing toddler CRS
          B1 - ISO/F2X: Reduced-Height Forward Facing toddler CRS
          C - ISO/R3: Full-Size Rearward Facing toddler CRS
          D - ISO/R2: Reduced-Size Rearward Facing toddler CRS
          E - ISO/R1: Rearward Facing infant CRS
          F - ISO/L1: Left Lateral Facing position CRS (carry-cot)
          G - ISO/L2: Right Lateral Facing position CRS (carry-cot)

         The fixtures below shall be constructed with a mass between 5 and 15 kg and shall be of suitable durability and stiffness to satisfy the functional requirements.

Mass group        ISOFIX size class  Fixture (CRF)
0 – up to 10 kg   F                       ISO/L1
G                      ISO/L2
E                      ISO/R1
0+ - up to 13 kg  C                       ISO/R3
D                      ISO/R2
E                      ISO/R1
 I - 9 to 18 kg   A                       ISO/F3
B                      ISO/
B1                     ISO/ F2X
C                      ISO/R3
D                      ISO/R2

4.1. Full-height forward-facing toddler child restraint systems envelope
   Key
   1       Limits in the forward and upwards directions
   2 Dashed line marks area where a support leg, or similar, is allowed to protrude
    3 N/A
    4 Further specifications of the connector area are given in Regulation No. 44

          Figure 1 - ISO/F3 envelope dimensions for a full-height forward-facing toddler CRS               (height 720 mm) ISOFIX SIZE CLASS A

4.2. Reduced-height forward-facing toddler child restraint systems envelope
    Key

    1 Limits in the forward and upwards directions
    2 Dashed line marks area where a support leg, or similar, is allowed to protrude
    3 N/A
    4 Further specifications of the connector area are given in Regulation No. 44
    5 Attachment point for the top tether strap

          Figure 2 - ISO/F2 envelope dimensions for a reduced-height forward-facing toddler               CRS, (height 650 mm) – ISOFIX SIZE CLASS B

  4.3. Reduced-height second version back shape forward-facing toddler child restraint systems envelope
    Key
    1 Limits in the forward and upwards directions
    2 Dashed line marks area where a support leg, or similar, is allowed to protrude
    3 N/A
    4 Further specifications of the connector area are given in Regulation No. 44

          Figure 3 - ISO/F2X envelope dimensions for a reduced-height second version back surface shape forward-facing toddler CRS, (height 650 mm) – ISOFIX SIZE CLASS B1

  4.4. Full-size rearward facing toddler child restraint system envelope

    Key

    1 Limits in the rearward and upwards directions
    2 Dashed line marks area where a support leg, or similar, is allowed to protrude
    3 The backwards limitation (to the right in the figure) is given by the forward-facing               envelope in Figure 2
    4 Further specifications of the connector area are given in Regulation No. 44

           Figure 4 - ISO/R3