Vehicular seatbelt retractor

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.