Konpozisyon senti sekirite twa-pwen an
Li se estrikti senti sekirite twa-pwen ki pi lajman itilize. Pami senti sekirite yo divès kalite, li se fòm nan senti sekirite ki konbine pratik, konfò ak kontrent lokatè byen.
ELR twa-pwen sekirite senti
Yon senti sekirite twa-pwen ELR se yon senti sekirite twa-pwen ak yon retrè ELR. Kalite retractor sa a, yo rele yon Retractor Locking Emergency (ELR), anjeneral pèmèt senti a dwe rale deyò lib. Li ekipe ak yon aparèy deteksyon chòk-ki bloke senti sekirite yo nan ka yon aksidan oswa frenaj ijans. Anjeneral, yo santi kantite enpak la atravè ralantisman machin nan, epi kantite enpak yo santi atravè vitès rale-sou twal la. Konbinezon an nan de metòd yo te vin endikap la.
senti sekirite ALR twa-pwen
Senti sekirite twa-pwen ALR yo se senti sekirite twa-pwen ki ekipe ak retraktè ALR. Yo rele sa a jan de retractor Locking otomatik (ALR). Retractor senti. ELR/ALR te itilize nan konbinezon ak ELR te vin endikap. ALR a ap travay lè senti sekirite a konplètman pwolonje, ak ELR a ap travay lè senti sekirite a konplètman rale. Metòd sa a se sitou itilize pou fikse chèz timoun yo.
Senti sekirite ak pretansyonè ak limit fòs
Many mid- to high-end cars are now equipped with seat belts with pretensioners and force limiters. The pre-tensioner is used to eliminate the excess tension margin of the seat belt as much as possible to prevent the occupant from being injured by the exploding airbag. The force limiter reduces the tension of the seat belt after the peak force has passed, so as to reduce the force on the occupant's ribs and shoulders.