Patent ID: 7108284

Claim:
A webbing retractor for an elongated, strip-shaped webbing belt used for application to a body of a vehicle occupant, the webbing retractor comprising: a take-up shaft for taking the webbing belt up around itself, which take-up shaft is rotatably held, and to which one end of the webbing belt is anchored; a driven shaft connected to the take-up shaft; a prime mover rotating body rotatably supported relative to and coaxially with the driven shaft; a rotating member supported coaxially with both the prime mover rotating body and the driven shaft, and rotatable relative to both the prime mover rotating body and the driven shaft; connecting members for connecting the prime mover rotating body and the driven shaft, by interlocking with relative rotation of the rotating member with respect to the prime mover rotating body, so as to transmit rotation of the prime mover rotating body to the driven shaft; a driving mechanism, including a drive source, for driving rotation of the prime mover rotating body in a predetermined direction; and a braking mechanism for braking rotation of the rotating member such that relative rotation of the rotating member with respect to the prime mover rotating body arises, wherein the rotating member has a friction member which is attached to the rotating member and rotates integrally with the rotating member, and the braking mechanism has a braking member which slidingly contacts the friction member, and the braking mechanism brakes due to the braking member slidingly contacting the friction member; and further comprising a frame which is fixed, wherein the friction member is substantially ring shaped, and the braking member is substantially shaped as a ring having one end and another end, and the braking member is disposed so as to surround one portion of an outer peripheral surface of the friction member, and in a state in which the one end of the braking member is held at the outer peripheral surface of the friction member, the other end of the braking member is anchored at the frame so as to be pulled in a direction of decreasing a diameter of the braking member when the friction member is rotated.