An advanced four-point seat belt may include: a three-point seat belt to diagonally hold a passenger with a webbing; and a motorized seat belt to allow a tongue of the webbing to maintain a state of being fixed to a side surface of a seat cushion to an initial position. In particular, when a vehicle collision situation is recognized, the motorized seat belt forms an X shape webbing confinement state by withdrawing the webbing and another webbing to locate the tongue at a central position of a body of the passenger.

A three-point installation bracket for converting a two-point seat belt system included factory in a convertible vehicle to a three-point seat belt system without requiring modifications/changes to the existing vehicle frame. The disclosure also includes methods for installing the bracket, as well as kits including same.

A seat belt apparatus provided in a front door of a vehicle, comprises a retractor provided in the front door and configured to retract a webbing for constraining an occupant so as to be pulled out, a belt anchor provided in the front door and attached with one end of the webbing, and a latch configured to engage the front door to a vehicle body. The latch is provided between the retractor and the belt anchor in a longitudinal direction of the vehicle body.

A webbing adjustment device has a cover, a frame, a slider, and a guiding ring member. The frame is up and down moveably disposed in the cover. The slider is located in the cover, is moveably disposed in a body of the frame, and has a through slot formed through the slider. Webbing inserted through the through slot is locked or unlocked by a relative motion between the frame and the slider. The guiding ring member is detachably disposed on the cover, and has a guiding ring and a positioning element connected to the guiding ring. The webbing is inserted through the guiding ring. The cover is detachably hung on the guiding ring. The webbing adjustment device can lock the webbing automatically by the tension of the webbing.

A restraint system includes a seatback frame, a webbing guide attached to the seatback frame, webbing extending from below the seatback frame through the webbing guide, and a tether attached to the webbing and retractable to the seatback frame above the webbing guide. The restraint system may include a roller coupled to the seatback frame above the webbing guide, and the tether is at least partially wound around the roller.

A vehicle seat that includes: a seat cushion that is configured to be raised and lowered in a seat vertical direction; a buckle that is attachable to an attachment location that is not subject to the raising or lowering of the seat cushion, and that retains a tongue provided at an elongated belt shaped webbing, in a state in which in the webbing is worn over at least a pelvis area of the occupant; and a lifting device that is actuated, in a case in which a collision of a vehicle has been detected, so as to move the occupant, in a case in which the occupant is sitting on the seat cushion, toward an upper side of the seat at a location further toward a rear side of the seat than a central portion of the seat cushion in a front-rear direction of the seat.

A restraint system includes a seatback frame, a webbing guide attached to the seatback frame, webbing extending from below the seatback frame through the webbing guide, and a tether attached to the webbing and retractable to the seatback frame above the webbing guide. The restraint system may include a roller coupled to the seatback frame above the webbing guide, and the tether is at least partially wound around the roller.

A vehicle seat includes a seatback, a seat cushion, and a wheelchair fixing device. The seat cushion is switchable to a tip-up state where the seat cushion has been tipped up so as to extend along the seatback. The seat cushion includes a seating surface and a rear surface that is on the opposite side of the seat cushion from the seating surface. The wheelchair fixing device is provided on the rear surface-side. The wheelchair fixing device is configured to fix a wheelchair to the seat cushion.

The safety restraint system includes a seatbelt retractor fixedly secured to the motor vehicle, a seatbelt webbing, a D-ring fixedly secured to the motor vehicle, a latchplate slidably engaged with the seatbelt webbing, a buckle for releasably capturing the latchplate, and a magnet attached to a vehicle component. The latchplate has a ferro-magnetic portion. The magnet generates a magnetic field to attract and hold the ferro-magnetic portion of the latchplate against the vehicle component.

A vehicle seat includes a seat bottom and a seat back coupled to the seat bottom and configured to move relative to the seat bottom. A reclining assembly is coupled to the seat bottom and the seat back to move the seat back relative to the seat bottom.