A multi-point seat belt system is applied to a seat of a vehicle and has a webbing locking device, an emergency locking-retracting mechanism, and two automatic locking retractors. The webbing locking device has a buckle assembly and a tongue assembly detachably disposed on the buckle assembly. The emergency locking-retracting mechanism is disposed on the seat and has two shoulder webbings connected to the buckle assembly and the tongue assembly respectively. The two automatic locking retractors are disposed on two sides of the seat and have two lower webbings connected to the buckle assembly and the tongue assembly respectively. The two shoulder webbings locked by the two emergency locking retractors and the two lower webbings tightened by the two automatic locking retractors are distributed around the body of the occupant and can fasten the occupant on the seat steadily for promoting the safety protection performance.

A multi-point seat belt system is applied to a seat of a vehicle and has a webbing locking device, an emergency locking-retracting mechanism, and two automatic locking retractors. The webbing locking device has a buckle assembly and a tongue assembly detachably disposed on the buckle assembly. The emergency locking-retracting mechanism is disposed on the seat and has two shoulder webbings connected to the buckle assembly and the tongue assembly respectively. The two automatic locking retractors are disposed on two sides of the seat and have two lower webbings connected to the buckle assembly and the tongue assembly respectively. The two shoulder webbings locked by the two emergency locking retractors and the two lower webbings tightened by the two automatic locking retractors are distributed around the body of the occupant and can fasten the occupant on the seat steadily for promoting the safety protection performance.

A vehicular seat belt device includes a first pretensioner provided in a retractor and configured to apply tensile force to a shoulder belt portion of a webbing, a second pretensioner provided in a belt anchor part and configured to apply tensile force to a lap belt portion of the webbing, a third pretensioner provided in a side portion of the vehicle seat opposite to the belt anchor part and configured to apply tensile force to the lap belt portion via a buckle, and a controller. The controller is configured to activate the first pretensioner at a time of predicting vehicle collision, and activate the second pretensioner and the third pretensioner after detection of collision.

A vehicular seat belt device includes a first pretensioner provided in a retractor and configured to apply tensile force to a shoulder belt portion of a webbing, a second pretensioner provided in a belt anchor part and configured to apply tensile force to a lap belt portion of the webbing, a third pretensioner provided in a side portion of the vehicle seat opposite to the belt anchor part and configured to apply tensile force to the lap belt portion via a buckle, and a controller. The controller is configured to activate the first pretensioner at a time of predicting vehicle collision, and activate the second pretensioner and the third pretensioner after detection of collision.

A restraint system includes a seat defining a centerline and including a seat bottom and a seatback. A pair of upper retractors are disposed on the seatback, a pair of lower retractors are disposed on the seat bottom, and a pair of middle retractors are disposed on the seat between the pairs of upper and lower retractors. Each pair of retractors includes one retractor disposed on each side of the centerline.

A restraint system includes a seat defining a centerline and including a seat bottom and a seatback. A pair of upper retractors are disposed on the seatback, a pair of lower retractors are disposed on the seat bottom, and a pair of middle retractors are disposed on the seat between the pairs of upper and lower retractors. Each pair of retractors includes one retractor disposed on each side of the centerline.

A retainer apparatus including a first retainer portion, a second retainer portion, and a sensor comprising a motion detector and an alarm. The retainer apparatus includes the first retainer portion configured to be slidably attached to a first harness strap and a second retainer portion configured to be slidably attached to a second harness strap. The first retainer portion is removably attached to the second retainer portion. The motion detector is configured to detect movement of the retainer apparatus and activate the alarm to alert a user in a vehicle if movement of the retainer apparatus is detected.

A retainer apparatus including a first retainer portion, a second retainer portion, and a sensor comprising a motion detector and an alarm. The retainer apparatus includes the first retainer portion configured to be slidably attached to a first harness strap and a second retainer portion configured to be slidably attached to a second harness strap. The first retainer portion is removably attached to the second retainer portion. The motion detector is configured to detect movement of the retainer apparatus and activate the alarm to alert a user in a vehicle if movement of the retainer apparatus is detected.

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 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.