Patent attributes
A vehicular seatbelt device whereby slack in a lap belt is sufficiently eliminated according to a traveling state of a vehicle, and a comfortable ride for a vehicle occupant is maintained. A seatbelt device comprises a belt retraction part and an actuator for driving the belt retraction part. The belt retraction part pulls part of a belt in a direction opposite the direction in which the belt is wound up by a belt reel so as to restrain the vehicle occupant. A controller includes a plurality of pre-set control modes for controlling a motor and the actuator in accordance with the traveling state of the vehicle, and selects and implements one control mode corresponding to the traveling state from among the plurality of control modes. The control modes include a mode for drivably controlling both the motor and the actuator, a mode for drivably controlling only the motor, and a mode for drivably controlling only the actuator.
