A pretensioner (3) includes a driving wheel (4) and a power transmission unit (5). A spool (2) is rotatably disposed in the driving wheel (4). The spool (2) winds a webbing. The power transmission unit (5) transmits power to the driving wheel (4). The power transmission unit (5) includes a resin-made long body (51) and a passage (54) of the resin-made long body (51). The resin-made long body (51) rotates the driving wheel (4). The passage (54) is formed in an outer circumference of the driving wheel (4). The passage (54) includes a wall surface (541), a cover member (542) and a stopper. The wall surface (541) is disposed on one side surface of the driving wheel (4). The cover member (542) is fixed in the wall surface (541) from the other side surface of the driving wheel (4). The stopper stops a tip portion of the resin-made long body (51) which has rotated the driving wheel (4). The stopper is configured by a fastening member (543) connecting the cover member (542) and the wall surface (541).
PRETENSIONER, RETRACTOR AND SEAT BELT DEVICE
VORSPANNER, AUFROLLER UND SITZGURTVORRICHTUNG
PRÉTENDEUR, RÉTRACTEUR ET DISPOSITIF DE CEINTURE DE SÉCURITÉ
2018-11-21
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |