
(targeted stature and age are only rough ideas)
Mass of targeted infant is 10 kg or less or 13kg or less, stature is 70 cm or less and age is up to 1 year old.
For infant, there are bed type and rearward facing type.
Targeted child is mass of 9 to 18kg, stature is 65 to 100 cm and age is 1 to 4 years old. However, there is one CRS covering for infant and toddler (so call usage for both infant and toddler).
The CRS for targeted child for 15 to 36kg masses, stature is 135 cm or less and age for 4 to 10 is existing. However, CRS assesment is not included this category.
The perpose of this CRS is lifting up child hip to adjust adult hip position and may use adult seatbelt.
Reason not to include this CRS for the assesment is that performance of this type CRS is grearly influenced by the vehicle seat belt performance.
To obsreve usage and none usage of CRS in trafic accidents, threre are great difference for fatality rate and fatal and serious injuries rate in between when CRS is used and when CRS is not used.
There are 2 types of indications that are Type approval mark and Type designated mark, and which are met Japanese safety regulation.
Child seat safety requirements are reviewed in October 2006, and stand point of international harmonization of the regulations, this regulation was harmonozed with R44(4th revision) under United Nation's 1958 Agreement.
Some of the CRSs cannot fit some type of the vehicles.
Please reffers and confirms CRS manufacturers' recommendation chart which are explain fitness to the vehicles, and then select proper CRS to fit for your vehicle.
Fitting method of CRS is differ from the products, therefore, please follow the instruction manual when you install your CRS to the vehicle.
Al most all CRS in the market are fixed to the vehicle using vehicle seatbelt, and there are 2 types that are 2 points fixing type and 3points fixing type based on seatbelt passing methods.
3 points fixing method using 3 points seatbelt
Don't child play with seatbelt. The mechanism may change to ALR and if the belt is tangled with child neck or body, it will be happened serious injury such as a suffocation, due to belt cannot loosen. In the case of an emergency, and not to unfasten the belt, you should cut the belt by the scissors.
CRS fixing device for ISOFIX is installed in the vehicle seat. The CRS for ISOFIX specified by the every vehicle is used with the conbination of the vehicle seat. The requirements for the CRS is reviewed in October 2006,may permit to use CRS for universal type ISOFIX with the combination of the tether strap. The vehicle is neccessary to install universal type ISOFIX anchrage.
Normally, CRS is built in the vehicle seat (normally rear seat), and may use as the CRS after pulling out from the vehicle seat when child is on boad. Now a day, some imported vehicle has the CRS for school children (so call junior seat) as a optional equipment.
vehicle with a built-in CRS