Abstract: A webbing retractor for taking up an occupant-restraining webbing used in a seat belt apparatus for a vehicle has a takeup shaft held by a frame, and the webbing is wound around the takeup shaft. The takeup shaft is pivotally held at a substantially intermediate portion of each of a pair of arms. One end of each arm is pivotally supported by a support shaft, and the arms are adapted to rotate about the support shaft.

Abstract: A seat for use in a vehicle equipped with an automatic seatbelt system includes a seat cushion for supporting the buttocks of an occupant. The seat cushion is provided with a passage for a webbing of the seatbelt system. Accordingly, it is possible to prevent the contact between the webbing and the seat cushion when the webbing is wound up into and unwound from a webbing retractor.

Abstract: A webbing intermediate portion retaining apparatus for use in an automatic seatbelt system for a vehicle arranged such that, when an occupant enters the vehicle, an occupant restraining webbing is automatically fastened to the occupant's body, whereas, when the occupant leaves the vehicle, the webbing is automatically unfastened from his body. The apparatus enables the intermediate portion of the webbing to be retained by a hook provided on a door of the vehicle when the occupant leaves the vehicle. The apparatus effects control such that, when the occupant is going to leave the vehicle, the hook is moved to a position for retaining the intermediate portion of the webbing, whereas, after the occupant has entered the vehicle, the hook is moved to a position for canceling the retaining of the intermediate portion of the webbing. Accordingly, when the occupant enters and leaves the vehicle, it is possible to ensure a sufficient space for him to move smoothly.

Abstract: An automatic system for use in a motor vehicle has an outer webbing, both ends of which are secured to a vehicle door and an inner webbing, one end of which is connected to the intermediate portion of the outer webbing through a ring joint movable along the outer webbing and the other end of which is retracted by a retractor on a vehicle floor. A guide lever is provided at an inner side of an occupant's seat, which includes a main body fixed to the inner side of the seat and a webbing guide portion on the top of the main body. The webbing guide portion has an opening through which the inner webbing passes and is rotatable around an axis extending laterally of the vehicle, whereby the webbing guide portion presents a suitable position and angle to guide the inner webbing at any condition, for example, with or without an occupant on the seat.

Abstract: A ring joint for connecting the intermediate portion of an outer webbing to the forward end portion of an inner webbing to fasten the webbings about an occupant in a three-point type seatbelt system, wherein stoppers erected from a joint base prevents the axial movement of a lock bar, whereby, in an emergency situation of a vehicle, the lock bar locks the intermediate portion of the outer webbing between the joint base and itself to prevent the outer webbing from moving in the longitudinal direction thereof, so that an occupant can be reliably restrained.

Abstract: A resilient member for biasing a webbing takeup shaft in a direction of retracting a webbing, after the webbing is fastened about an occupant, is driven in a direction of reducing the biasing force by a returning device, whereby the winding force acting on the webbing is reduced, so that an oppressive feeling rendered to the occupant can be reduced. After the webbing has been unfastened from the occupant, the returning device drives the resilient member in a direction of increasing the biasing force to retract the webbing to a fully retracted state.

Abstract: Automatically fastening seatbelt system, wherein an anchor plate engaged with one of restraining webbings is connected through a support device to a driving force transmitting member and made movable along a guide rail, whereby the webbings are automatically fastened to an occupant, a release device is provided at a predetermined position in the longitudinal direction of the guide rail, and the operation of the support device is released by the operation of the release device to release the anchor plate from the guide rail.

Abstract: An automatic seatbelt system which has a flexible tape extending continuously along a vehicle body form a roof side portion through a center pillar to a door so as to move a shoulder webbing connected to the roof side portion and a lab webbing connected to the door at the same time by a single driving sprocket wheel in response to an occupant entering or leaving a vehicle. The tape has a plurality of openings along the longitudinal direction thereof and the sprocket wheel is meshed with the tape by the openings. A shoulder guide rail is provided along the roof side portion of the vehicle body, within which a shoulder guide member guiding the shoulder webbing and connected to the trape is slidably received. A lap guide rail is provided along the door, within which a lap guide member guiding the lap webbing and connected to the tape is slidably received.

Abstract: An automatic seatbelt system in which a pair of sprocket wheels are driven by a single driving motor to move both shoulder and lap webbings in response to an occupant entering or leaving a vehicle. A flexible shoulder tape is connected to the shoulder webbing through a guide member slidable along a roof side of the vehicle, and extends along a vehicle body to mesh with one of the sprocket wheel. A flexible lap tape is connected to the lap webbing through a guide member slidable along an inner surface of a vehicle door, and extends along the vehicle door and body to mesh with the other of the sprocket wheel. When the sprocket wheels rotate, both shoulder and lap seatbelt webbings are simultaneously moved through the tapes toward either the front side of the vehicle to provide an enough space for the occupant to enter the vehicle, or the rear side of the vehicle to place the webbings over the occupant at a seat.

Abstract: An automatic seatbelt system which has a flexible tape extending continuously along a vehicle body form a roof side portion through a center pillar to a door so as to move a shoulder webbing connected to the roof side portion and a lap webbing connected to the door at the same time by a single driving sprocket wheel in response to an occupant entering or leaving a vehicle. The tape has a plurality of openings along the longitudinal direction thereof and the sprocket wheel is meshed with the tape by the openings. The tape extends continuously between the vehicle body and vehicle door and has a stepped portion substantially extending in a vertical direction, for example, a direction which is aligned with the rotation center of door hinges so as to twist itself around the longitudinal center thereof during opening or closing the door.

Abstract: A conventional type of seat belt retractor having a pendulum control to lock protraction of belt webbing in event of vehicle impact is modified to provide also manual control of webbing protraction by including a lever unit that can engage a pawl of the ratchet wheel mechanism that locks the shaft on which the webbing winds and a coil spring or similar member that resiliently connects the lever unit to the pawl. The modified seat belt retractors are useful in locking baggage, child seats or the like on the vehicle seat.

Abstract: A seat belt system comprises webbing adapted to restrain a vehicle occupant in a seat, a spring-loaded retractor for the webbing and an electric motor driven guide arm to move the webbing in response to the opening and closing of the vehicle door so that the webbing is moved forward of the occupant to facilitate occupant ingress and egress.

Abstract: A slider engaging an occupant restraining webbing is driven to move along a guide rail laid on a roof side of the vehicle, whereby a webbing can be automatically fastened to an occupant. One-way latch means is provided which allows the slider to move only to an automatically fastening position but does not allow same to move in the direction opposite to the above, whereby the slider is prevented from moving in a collision of the vehicle, thereby securing the safety of the occupant.

Abstract: An anchor plate engaging one end portion of an occupant restraining webbing is driven by a driving member movable along a guide rail provided on the vehicle body, whereby the webbing is automatically fastened to the occupant. A lock pawl of a locking plate pivotally supported by the vehicle body lock said anchor plate so as to support a tensile force of the webbing by the vehicle body in an emergency of the vehicle. A release block secured to the driving member rotates the locking plate, whereby the locking plate is disengaged from the anchor plate, so that the anchor plate become movable.

Abstract: A three-point type seatbelt system wherein ends of a lap outer webbing and a shoulder webbing are secured to the upper and lower portions of a vehicle door, whereby an occupant opens or closes said door so as to automatically fasten the webbings or unfasten same from the occupant. A non-locking retractor is provided between the lap outer webbing and said door and an emergency locking retractor between the lap inner webbing and the substantially central portion of the vehicle, whereby the waist of the occupant is moved by a certain length more forward in the vehicle than his head so that his head can be prevented from dashing against a dangerous obstacle.

Abstract: Opposite ends of an outer webbing are engaged with the upper and lower portions of the door, one end of a webbing is wound up by a retractor provided at the central portion of the vehicle, the forward end of said webbing is slidable with the intermediate portion of the outer webbing, a first lock mechanism is provided at the intermediate portion of an inner webbing and a second lock mechanism is provided between the forward end portion of the inner webbing and the outer webbing, respectively, whereby one of the webbings is locked due to increased tensions in the webbings in an emergency of the vehicle, thereby positively restraining an occupant of the vehicle.

Abstract: A safety seatbelt system which automatically provides a safety seatbelt around a passenger when he takes a seat in a vehicle and closes a door. Once the seatbelt is put around the passenger, he cannot remove the seatbelt while driving the vehicle. This system comprises a hand brake switch and a hand brake switch relay, and a solenoid magnetizing circuit for supplying magnetizing current to a solenoid to prevent the seatbelt from being hooked and removed from the passenger as long as the hand brake is released, said solenoid magnetizing circuit forming a second solenoid operating system.

Abstract: A seatbelt system for a motor vehicle which automatically fastens or unfastens the belt around the passenger which includes a passenger restraining belt and a retractor mechanism coupled to the top of a tunnel located on an approximate center line of the motor vehicle. The seatbelt system further includes a direct locking device which is coupled to the vehicle body on the side of the tunnel below the retractor mechanism. The locking device is arranged and configured such that it directly locks the intermediate portion of the belt during a vehicular emergency such that the belt is prevented from extending and the anchor point for the belt is lowered.

Abstract: A seatbelt system which automatically fastens and unfastens a passenger restraining belt about a passenger including a slider to which is fastened one end of the passenger restraining belt, a guide rail fastened along the body of the vehicle which guides the slider and which has one portion which is vertical, a drive system for moving the slider along the guide rail, a pawl for engagement with the slider when the slider is guided into the vertical portion of the guide rail and an acceleration detector for causing the pawl to engage with the slider during a vehicular emergency whereby movement of the slider is prevented and the belt is maintained in a fastened condition even during a vehicular roll over.

Abstract: A first and a second spring are connected in series to a take-up shaft of a seatbelt so as to generate wind-up force; when the seatbelt is put on by an occupant, a pawl is engaged with a latch gear provided at a connecting portion between said springs, whereby the biasing force of only one of said springs is imparted to the take-up shaft, thereby decreasing the wind-up force of the take-up shaft; after the seatbelt is released from the occupant, the pawl is disengaged from the latch gear by a camplate means, whereby the wind-up forces of both springs are imparted to the take-up shaft, thereby increasing the wind-up force of the take-up shaft; and further, frictional means for engaging the latch gear with the pawl is brought into frictional contact with the take-up shaft by means of a pair of projecting resilient means oscillatingly movable, thereby securing the engagement between the latch gear and the pawl.