SAFETY BELT DEVICE FOR VEHICLE

A safety belt device configured for a vehicle may include a belt driving device disposed on a seat, connected to a waist belt in a state in which an occupant wears a seat belt, and moving the waist belt in a predetermined direction to allow the waist belt to wrap around the occupant's waist when the waist belt is positioned at a rear side and to allow the waist belt to be caught between an ankle and the waist of the occupant when the waist belt is moved forward thereof; and a controller receiving a signal generated according to an occurrence of a vehicle collision and controlling the belt driving device upon receiving the impact signal to allow the waist belt to be moved from the rear to the front.