Seat belt retractor and seat belt device

Details Seat belt retractor and seat belt device Seat belt retractor and seat belt device

2007-10-09

2007-10-09

Cuomo, Peter M. (Department: 3654)

Winding, tensioning, or guiding

Reeling device

With spring motor

C242S390800

Reexamination Certificate

active

10848079

ABSTRACT:
A seat belt retractor includes a spool for winding up a seat belt; a motor for generating rotational torque to rotate the spool; and a power transmission mechanism for transmitting the rotational torque of the motor to the spool. The seat belt retractor winds the seat belt on the spool with the rotational torque of the motor. The power transmission mechanism has a low reduction ratio transmission mode in which the rotational torque of the motor is transmitted to the spool through a low reduction ratio mechanism, and a high reduction ratio transmission mode in which the rotational torque of the motor is transmitted to the spool through a high reduction ratio mechanism. The seat belt retractor further includes a power transmission mode switching mechanism for selecting between the low reduction ratio transmission mode and the high reduction ratio transmission mode.

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