Patent attributes
A seat belt device includes a seat belt for restraining and protecting an occupant sitting on a vehicle seat; a lap anchor fixed to an end of the seat; seat weight sensor installed below the vehicle seat for measuring a seat load; and a hitch member including two ends and a slide bar therebetween. The seat weight sensor and the vehicle seat are fixed to a vehicle body floor. One end of the hitch member is attached to one of the vehicle body, the vehicle seat fixed to the vehicle body, or the seat weight sensor fixed to the vehicle body. A second end of the hitch member is fixed to the vehicle body. The lap anchor is slidably attached to the slide bar.