Document ID: chunk:federal_register_of_legislation:F2019L00026:reg:1:p11
Version: federal_register_of_legislation:F2019L00026
Segment Type: reg
Provision Reference: reg 1 (pt 11/15)
Character Range: 223143–226482

dimensions for a full-size rearward-facing toddler
CRS ISOFIX SIZE CLASS C

              Key
              1 Limits in the rearward and upwards directions
         2 Dashed line marks area where a support leg, or similar, of a specific vehicle CRS 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.

              4.5. Reduced-size rearward-facing toddler child restraint systems envelope

Figure 5

ISO/R2 envelope dimensions for a reduced-size rearward-facing toddler CRS
ISOFIX SIZE CLASS D

              Key
              1 Limits in the rearward and upwards directions
         2 Dashed line marks area where a support leg, or similar, of a specific vehicle CRS 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.

              4.6. Rearward facing infant child restraint systems envelope

Figure 6

ISO/R1 envelope dimensions for an infant-size rearward-facing CRS ISOFIX

SIZE CLASS E

              Key
              1 Limits in the rearward and upwards directions
         2 Dashed line marks area where a support leg, or similar, of a specific vehicle CRS 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.

              4.7. Lateral facing child restraint systems envelope

Figure 7

Envelope dimensions for lateral facing position CRS – ISO/L1- ISOFIX SIZE CLASS F

or symmetrically opposite – ISO/L2 – ISOFIX CLASS G

              Key
              1 Limits in the rearward and upwards directions
         2 Dashed line marks area where a support leg, or similar, of a specific vehicle CRS 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 ISO 13216-1, Figures 2 and 3.

Figure 8

Side view of the i-Size support leg installation assessment volume for assessing compatibility of
the i-Size seating positions with support legs of i-Size child restraint systems

       Key:

       1. Child Restraint Fixture (CRF).

       2. ISOFIX low anchorages bar.

           3. Plane formed by the bottom surface of the CRF when installed in the designated seating position.

           4. Plane passing through the lower anchorage bar and oriented perpendicular to the median longitudinal plane of the CRF and perpendicular to the plane formed by the bottom surface of the CRF when installed in the designated seating position.

           5. i-Size support leg installation assessment volume representing the geometrical boundaries for an i-Size ISOFIX child restraint system support leg.

       6.