The invention relates to a safety device for a seat belt. Specifically, a safety device for a set belt includes a retractor having a rack gear on a circumferential outer surface of which the seat belt is wound; a pretensioner operated upon a collision of a car and rotating the rack gear in a direction for winding the seat belt; a release unit installed adjacent to the pretensioner, operated after the pretensioner operates the rack gear, and rotating the rack gear in a direction for unwinding the seat belt; and a switch unit receiving a manipulation force for operating the release unit, generating electricity, transferring the electricity to the release unit, and operating the release unit.
Safety device for seat belt
2015-06-03
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |