Patent ID: 6443382
Filing Date: 2002-09-03
Classification: B60R

Abstract:
A vehicular seatbelt retractor for winding and releasing a length of webbing from spool, said vehicular seatbelt retractor comprising:a frame, including: openings formed at the center of each of a pair of foot portions, on an upper portion of each of which a frictional tooth portion is formed in a predetermined arc, and a groove portion having a larger size than that of the opening of one foot portion and larger than a circular arc portion of the openings; a spool including: a pair of flanges, extended in a circular arc from either side of said spool, to be positioned adjacent each of the pair of foot portions, a mounting block, projected in a circular form from one side of one flange, to have a smaller diameter than that of the flanges, and a first sprocket integrally projected from one side of another flange to be received in the groove portion; a receptacle including: a first case enabling the movement of the mounting block therein, and a second case receiving a spring therein; a webbing control device including: a locking element cooperated with the first sprocket of the spool, a retainer, mounted adjacent the first sprocket, having a hook ring coupled to a guide pin of the locking element, and a clutch wheel, coupled with a mass member, wherein upon webbing acceleration, the mass member forces a latch of a wing of the mass member to be passed over the tops of the teeth of a first tooth portion of the clutch wheel; and a pawl device, mounted in the lower inner portion of a cover adjacent the clutch wheel, to engage a pawl end using a second tooth portion of the clutch wheel.