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Standard 213.4
MOTOR VEHICLE SAFETY ACT
Motor Vehicle Safety Regulations
Standard 213.4
SOR/94-669
Built-in Child Restraint Systems and Built-in
Booster Cushions
213.4 (1) Every built-in child restraint system and built-in booster cushion, when
tested in accordance with Motor Vehicle Test Methods, Section 213.4, "Built-in Child
Restraint System and Built-in Booster Cushion" (October 15, 1993) in any of the
positions that the system, cushion, or vehicle seat can be used while the vehicle is in
motion, shall,
(a) exhibit no complete separation of any load bearing structural element and no
partial separation exposing either surfaces that have a radius of less than 6.4 mm (1/4
inch) or surfaces that have protrusions greater than 9.5 mm (3/8 inch) above the immediate
adjacent surrounding contactable surface of any structural element of the system;
(b) remain in the same adjustment position during the testing as it was immediately
before the testing began, where the system is adjustable to different positions; and
(c) be constructed only of materials that conform to the requirements of section 302.
(2) Every built-in child restraint system when tested in accordance with subsection (1)
shall, subject to subsection (6), provide restraint against rearward movement of the head
of the child by means of a continuous seat back that is an integral part
of the system and that has
a) a height, measured along the system seat back surface for the child in the vertical
longitudinal plane passing through the longitudinal centre line of the child restraint
system from the lowest point on the system seating surface that is contactable by the
buttocks of the seated anthropometric test device, of at least 500 mm (20 inches); and
(b) a width of not less than 200 mm (8 inches), measured in the horizontal plane at the
height of 500 mm (20 inches) specified in paragraph (a).
(3) Every built-in rear facing child restraint system, when tested in accordance with
subsection (1) shall
(a) not allow the angle between the system's back support surface and the vertical to
exceed 70 at any time during impact simulation; and
(b) retain all portions of the anthropometric test device within the system so that no
portion of the target point on either side of the device's head passes through the
transverse orthogonal planes whose intersection contains the forward-most and top-most
points on the built-in child restraint system surfaces.
(4) Every built-in booster cushion, when tested in accordance with subsection (1) shall
(a) subject to subsection (6), provide restraint against rearward movement of the head
of the child by means of a continuous seat back that is an integral part of the cushion
and that
(i) has a height, measured along the cushion seat back surface in the vertical
longitudinal plane passing through the longitudinal centre line of the cushion from the
lowest point on the cushion seating surface that is contactable by the buttocks of the
seated anthropometric test device, of at least 560 mm (22 inches), and
(ii) has a width of not less than 200 mm (8 inches), measured in the horizontal plane
at the height of 560 mm (22 inches) specified in subparagraph (i); and
(b) limit to no more than 305 mm (12 inches) from the initial position the distance
either knee pivot can extend in the forward longitudinal direction.
(5) Every front-facing built-in child restraint system and built-in booster cushion,
when tested in accordance with subsection (1), shall
(a) not allow the angle between the system's or cushion's back support surface and the
system's or cushion's seating surface to be less than 45 at the completion of the test;
(b) limit the resultant acceleration at the location of the accelerometer mounted in
the anthropometric test device upper thorax to not more than 60 g, except for intervals of
acceleration the cumulative duration of which is not more than 3 ms;
(c) limit to not more than 80 g the maximum resultant acceleration of the centre of
gravity of the head of the anthropometric test device during forward movement, except
where it has been established that the maximum resultant acceleration above 80 g is caused
by another part of the anthropometric test device striking its head; and
(d) subject to subsection (6), provide restraint against rearward movement of the head
of the child by means of a continuous seat back that is an integral part of the system and
that limits the rearward rotation of the anthropometric test device's head so that the
angle between the head and the torso is at no time during the impact testing greater than
45° as compared to the head-torso angle prior to the test.
(6) Notwithstanding the requirements of paragraph (2)(a), a built-in child restraint
system with side supports extending at least 100 mm (4 inches) forward from the padded
surface of the portion of the restraint system provided for support of the child's head
shall have a width of not less than 150 mm (6 inches), measured in the horizontal plane at
the height of 500 mm (20 inches).
(7) Every built-in child restraint system shall provide a surface for the support of the
child's back that has a continuous surface area of not less than 54 800 mm2 (85 square
inches).
(8) Where a built-in child restraint system provides surfaces for the support of the
child's torso, these surfaces shall have a continuous surface area of not less than 15 250
mm2 (24 square inches) for each surface.
(9) Except for surfaces designed to restrain a child, no built-in child restraint
system shall have a fixed or movable surface that
(a) is directly in front of the child; or
(b) may come into contact with the child when the system is in use.
(10) Each horizontal cross-section of each built-in child restraint system surface that
is designed to restrain forward movement of the child's torso shall be flat or concave and
each vertical longitudinal cross-section shall be flat or convex with a radius of
curvature of the underlying structure of not less than 50 mm (2 inches).
(11) No portion of a rigid structural component within or underlying a contactable
surface of a built-in child restraint system or a built-in booster cushion shall, with any
padding or other flexible overlay material removed, have a height of more than 9.5 mm (3/8
inch) above any immediately adjacent restraint system surface or any exposed edge with a
radius of less than 6.4 mm (1/4 inch).
(12) The webbing of belts that are provided with a built-in child restraint system and
used to restrain a child within the system shall
(a) after being subjected to abrasion as specified in Motor Vehicle Safety Test
Methods, Section 209, "Seat Belt Assemblies" (February 27, 1984), have a
breaking strength of not less than 75% of the strength of the unabraded webbing;
(b) meet the requirements of paragraphs 209(7)(h) to (k); and
(c) if contactable by the anthropometric test device torso when the system is tested
dynamically, have a width of not less than 38 mm (1 1/2 inches) when measured as specified
in Motor Vehicle Safety Test Methods, Section 209, "Seat Belt Assemblies"
(February 27, 1984).
(13) Every belt buckle and item of belt adjustment hardware used in a built-in child
restraint system shall conform to the requirements of subsections 209(12), (17), (19) and
(22).
(14) Any buckle of a built-in child restraint system belt assembly that is designed to
restrain a child shall in accordance with Motor Vehicle Safety Test Methods, Section
213.4, "Built-in Child Restraint System and Built-in Booster Cushion" (October
15, 1993),
(a) before dynamic testing,
(i) not release when a force of less than 40 N (9 pounds) is applied, and
(ii) release where a force of 40 N (9 pounds) to 62 N (14 pounds) is applied;
(b) after dynamic testing, release where a force of not more than 71 N (16 pounds) is
applied; and
(c) have a push button to be used for applying the release force with a minimum surface
area of 385 mm2 (0.6 square inch) and with a minimum linear dimension of 10 mm (0.4 inch).
(15) Every belt that is part of a built-in child restraint system and that is designed
to restrain the child
(a) shall be adjustable to snugly fit any child whose height and weight are within the
ranges recommended in accordance with paragraph (17)(a) and who is positioned in the
system in accordance with the instructions required by subsection (19); and
(b) shall not, when tested in accordance with Motor Vehicle Safety Test Methods,
Section 213.4, "Built-in Child Restraint System and Built-in Booster Cushion"
(October 15, 1993), impose on the child any loads that result from the mass of the system,
or from the mass of any part of the vehicle into which the child restraint system is
built.
(16) Every built-in child restraint system shall, when the anthropometric test device
is positioned in accordance with Motor Vehicle Safety Test Method, Section 213.4,
"Built-in Child Restraint System and Built-in Booster Cushion" (October 15,
1993), provide
(a) upper torso restraint in the form of
(i) belts passing over each shoulder of the anthropometric test device,
(ii) a fixed or movable surface that complies with subsection (10), or
(iii) in the case of a rear-facing child restraint system, a single diagonal belt
passing over one shoulder or belts passing over each shoulder or the anthropometric test
device;
(b) lower torso restraint in the form of
(i) a lap belt assembly making an angle between 45° and 90° with the built-in child
restraint system seating surface at the lap belt attachment points, or
(ii) a fixed or movable surface that complies with subsection (10); and
(c) if a front-facing built-in child restraint system, crotch restraint in the form of
(i) a crotch belt connectable to the lap belt or other device used to restrain the
lower torso, or
(ii) a fixed or movable surface that complies with subsection (10).
(17) Every built-in child restraint system and built-in booster cushion shall have
indelibly printed on them, or otherwise permanently affixed to them, a label in both
English and French, in a prominent location in letters and numerals of not less than 10
point and on a contrasting background,
(a) a statement indicating the recommended range of weights and heights for which
children can safely use the restraint;
(b) a statement warning that failure to follow the manufacturer's instructions on the
use of the system or the cushion can result in the child striking the vehicle's interior
during a sudden stop or crash;
(c) in the case of a built-in restraint system that has belts designed to restrain the
child, a statement to adjust snugly the belts provided with the system around the child;
and
(d) in the case of a rear-facing built-in child restraint system, a statement
indicating that the child be placed in the rear-facing position.
(18) The recommended weight and height referred to in paragraph (17)(a) shall be
expressed in both metric and imperial measurements with the metric measurements stated
first, followed by the imperial measurements in parentheses.
(19) Every built-in child restraint system and built-in booster cushion shall be
accompanied by printed instructions in both English and French that provide a step-by-step
procedure, including appropriate diagrams, for using the built-in child restraint system
or built-in booster cushion, for positioning a child in the system or on the cushion, for
adjusting the belts provided and, where applicable, for adjusting the restraint harness to
fit the child.
(20) The instructions referred to in subsection (19) shall
(a) explain the immediate consequences of not following the instructions for proper use
of the child restraint system in accordance with subsections (17) and (19); and
(b) in the case of a seat with a built-in child restraint system or built-in booster
cushion that is removable from the vehicle by means of a latch mechanism, state that the
system or cushion, or the vehicle seat, or both, should be securely latched to the vehicle
whether occupied or not.
Established by
SOR/94-669 25 October, 1994 pursuant to sections 4 and 7 of the Motor Vehicle Safety
Act, effective April 25 1995
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