| 摘要 |
This invention relates to safety belts for use in vehicles to retain passengers in their seats in the event of rapid acceleration or deceleration of the vehicle. This application discloses a seat belt of the inertia reel type which allows the passenger restrained by the belt to make relatively slow movements to extend the belt from the reel but which locks the belt against further movement in the event of rapid changes in motion of the vehicle, an inertia reel seat belt according to the invention being provided with an extra safety feature in the form of an energy-absorbing device which is capable of absorbing energy from the seat belt when the force exerted on the seat belt exceeds a predetermined amount.
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