Content of safety functions
Situation (Activation trigger)
When strong impact is detected from the frontal direction
Function (System/Components)
Pretensioner: Impact detection sensors + ELR (Emergency Locking Retractor) locking device + Pretensioner device + Belt retracting device
Force limiter: Force limiter device + ELR locking device
Operation (Operation mechanism)
Pretensioner: Instantaneously rewinds the seatbelt
Force limiter: Avoids the overload force applied to the seatbelt when the occupant is restrained
Result (Mechanical phenomenon after activation)
Pretensioner: Quickly restrains occupants
Force limiter: Suppresses the force applied to the seatbelt to under a certain level