Abstract: A shoulder webbing anchoring device according to the present invention includes a side anchor fixed on a window frame or a side wall of a vehicle body and a webbing anchor holding one end of the webbing and coupled to the side anchor through an anchor pin having an enlarged head. The side anchor has small and large diameter holes partially overlapping each other, the small diameter hole being smaller than the enlarged head and the large diameter hole being larger than the enlarged head, whereby when the anchor pin is in the small diameter hole, the webbing anchor is rotatably coupled with the side anchor, and when the anchor pin is in the large diameter hole, the webbing anchor is allowed to be separated from the side anchor.

Abstract: A passive seatbelt system of the type including a guide rail, a truck guided on the guide rail, a seatbelt coupled to the truck and a driving means for causing the truck to move. In the seatbelt system, the guide rail is provided on a vehicle-interior side of a roof side member of a vehicle body in between the roof side member and a headliner of the vehicle such that a slit exists between the roof side member and the headliner through which a portion of the truck projects.

Abstract: A section of a webbing between a takeup shaft and an occupant fastened portion thereof is guided around a roller pivotally supported on a rotatable plate, and the rotatable plate adapted to be rotated by an increased tension of the webbing is caused to approach a lock bar to clamp the webbing between the roller and the lock bar, whereby the movement of the webbing in the longitudinal direction thereof is prevented, so that an occupant can be restrained. The roller is prevented from rotating by lock means when the occupant is restrained, whereby the webbing is decreased in tension at the portion of the roller, so that an abrupt change in tension at the clamped portion of the webbing between the roller and the lock bar can be prevented, thereby enabling to avoid breakage of the webbing.

Abstract: Construction of an anchor sash for use in a seatbelt system in which one end of an occupant restraining webbing is secured to a door and the webbing is automatically placed over an occupant in accordance with the opening and closing of the door. An anchor plate secured to one end of the webbing is in turn secured to a support base portion obtained by deforming a door sash and extends into a compartment of the vehicle, whereby the door sash has a satisfactorily mechanical strength despite the door sash has a small outside dimension. The anchor plate is supported to the vehicle body by a combination of an anchor pin having an enlarged head and a bracket having a receiving groove being open in the outward direction of the vehicle.

Abstract: An automatic seatbelt system for automatically fastening an outer webbing and an inner webbing to an occupant upon being seated, wherein opposite ends of the outer webbing are engaged with the upper and lower portions of a vehicle door, respectively, the base portion of the inner webbing is wound into a retractor provided at substantially the central portion of the vehicle, and, in an emergency of a vehicle, the intermediate portion of the inner webbing is directly locked, so that the inner webbing can be prevented from being wound out of the retractor.

Abstract: A webbing guide device for use in a seatbelt system wherein one end of an occupant protecting webbing is engaged with a vehicle door and the other end thereof is engaged with the substantially central portion of a vehicle and, when the door is opened, the intermediate portion of the webbing is moved in the forward direction in the vehicle to form a space for an occupant to enter or leave the vehicle between a seat and itself. The intermediate portion of the webbing is guided by the forward end of an arm provided at the inboard side of the seat, and, when the occupant enters or leaves the vehicle, the arm is turned in the forward direction in the vehicle to bend the intermediate portion of the webbing so that the entering and leaving the vehicle by the occupant can be facilitated.

Abstract: An automatic seat belt device installed in each seat of a motor vehicle and applied automatically to an occupant of the seat upon closing of an automotive door and adapted to confine the occupant to a back rest of a front seat in a vehicle. This seat belt device is comprised of an outer belt connected in V shape to upper and lower anchors of the door, and an inner belt connected through a ring joint to the outer belt. At the outer belt weaving between the ring joint on the outer belt and the lower anchor attached to the lower portion of the door is mounted a stopper adapted to prevent the ring joint from sliding down along the outer belt. Thus, the device can introduce the seat belt to a relatively high position where it does not interfere with the occupant's riding space in the vehicle when the door is opened.

Abstract: The webbing slider lock mechanism according to the present invention comprises: a slider movably received in a sliding groove of a guide rail laid in a vehicle and connected to an end of an occupant restraining webbing; a driving member movably received in a driving groove of the guide rail and connected to the slider in a manner to be movable by a given length relative to the slider in a direction of travel of the slider; a release arm disposed in a manner to be projectable into the driving groove at the side of a retracting end portion of the guide rail in a biased condition and adapted to abut against the side portion of the driving member to be pushed out of the driving groove; and a locking lever disposed below the position of the release arm at the side of retracting end portion of the guide rail in a manner to be projectable to lock the slider and connected to the release arm in a manner to be retractable from the sliding groove.

Abstract: When leaving a vehicle, an occupant turns forwardly in the vehicle a guide lever, through which extends a webbing, one end of which is engaged with a vehicle door and the other end of which is wound up into a retractor provided at the substantially central portion of the vehicle, to thereby enlarge a space formed between the webbing and a seat. This release lever is locked in a condition of being turned forwardly in the vehicle. However, the release lever is unlocked after the occupant enters the vehicle and before the vehicle enters the normal running condition, thereby enabling to bring the occupant into a suitable seatbelt fastened condition.

Abstract: According to the present invention, in a seatbelt system, in which an end of an occupant restraining webbing is connected to a slider and this slider travels along a guide rail laid on a vehicle body so as to cause the webbing to approach or recede from the body of an occupant, the slider includes: a head; a body suspended from a central portion in cross-section of the head and inserted through a driving tape; and a leg extended from the lower end of the body and secured with an anchor plate, to which the webbing is connected, and the guide rail includes: a substantially letter `T` shaped sliding groove consisting of a head groove portion for slidably guiding the head of slider and a body groove portion for slidably guiding the body of slider; and a tape groove perpendicularly intersecting the body groove portion of the sliding groove for receiving and guiding the driving tape.

Abstract: One end of an occupant restraining webbing is secured to a slider, and driving means moves said slider in a guide groove formed in a guide rail, so that an occupant can be automatically brought into a webbing fastened state. The slider, being provided at the head thereof with a shoe, moves smoothly. Said shoe is adapted to be damaged under a predetermined value of load in an emergency of the vehicle, so that the head of slider can be pressed against said guide groove to prevent the slider from moving, thereby securing the occupant in the restrained state.

Abstract: A passive seatbelt system wherein a webbing is connected to a webbing guide movably received in a guide rail laid in or on a vehicle and the webbing guide is moved by a thick wall tape to cause the webbing to approach or recede from the body of an occupant of the vehicle. A tape casing for receiving the tail end portion of the thick wall tape is provided at a position adjacent to driving means for driving the thick wall tape in a panel of the vehicle.

Abstract: A passive seatbelt system for a vehicle including a tape having a plurality of holes formed therein at regular intervals, a passenger restraining seatbelt coupled at one end to the thick tape, a sprocket wheel which is engaged with the holes in the thick tape and a motor means which is coupled to a power source of the motor vehicle for driving the sprocket wheel. With such a system, the sprocket wheel causes the thick tape to move back and forth to thereby cause the seatbelt to move back and forth along the length of the vehicle. In this way, the seatbelt is automatically fastened or unfastened from the passenger.

Abstract: A passive seatbelt system in which the outer end of the passenger restraining belt is anchored to an anchor shaft which projects from a runner piece. The runner piece is provided within a guide rail which is fastened to the vehicle body. The runner piece is moved along the length of the guide rail by driving mechanism as a result the belt approaches or moves away from the passenger. Since the runner piece is provided within the guide rail, the movement of the runner piece towards a vehicle interior is checked and the belt tension can be securely supported during a vehicular emergency.

Abstract: A seatbelt system of the type including a seatbelt, a flexible tape having a plurality of holes along its length and which is coupled to the seatbelt to cause the seatbelt to automatically fasten and unfasten from a passenger and a moving means for causing movement of the flexible tape. The moving means includes a sprocket housing having a substantially circular recess formed therein, a sprocket wheel provided in a portion of the flexible tape, a pair of tape passage shaped channel which is formed in the housing and accommodates the portion of the flexible tape, a pair of tape passage channels which are formed in the sprocket housing tangential to the arc-shaped channel and which are oriented in opposite directions and a driving means for selectively rotating the sprocket a predetermined number of rotation in a clockwise and counterclockwise direction.

Abstract: A passive seatbelt system which includes a runner piece which anchors the upper end of a passenger restraining belt which is guided by a guide rail fastened to a vehicle body and which is moved so that the belt is automatically fastened or removed from a passenger. The guide rail includes a base part which is fastened to the vehicle body and a pair of guide arms which hold the runner piece in a space between the guide arms and the base part whereby the runner piece is securely held during a vehicular emergency.

Abstract: An anchor device for a seatbelt system which includes an anchor plate which is U-shaped in cross-section when seen from the front of a vehicle and which has an outer end of a passenger restraining belt fastened to one side thereof and a runner piece coupled to the other side of said anchor plate. A roof lining is inserted into the central region of the U-shaped anchor plate and the runner piece together with the anchor plate moves along said roof side whereby when the runner piece has moved as far forward as possible along the roof side, the outer end of the belt is moved further towards the front of the vehicle than the runner piece to provide a sufficient space for the passenger to enter or exit the vehicle.

Abstract: A seatbelt system wherein one end of a passenger restraining belt is fastened to a runner piece. The runner piece is guided by a guide rail mounted along the body of a vehicle and the belt is automatically fastened about the passenger by being driven by a drive motor. In particular, the runner piece is further provided with slide shoes which slide along the guide rail. The slide shoes reduce the sliding resistance between the runner piece and the guide rail and therefore provide a runner piece which is small and which moves smoothly and reliably.

Abstract: A passive seatbelt system which includes a guide rail fastened longitudinally to a roof side of a vehicle, a truck movable along the guide rail, a seatbelt which has one end connected to the truck, a slide rail provided adjacent the guide rail and having one end coupled to the guide rail and the other end fastened to a roof support of the vehicle, a flexible tape provided in the slide rail and having one end coupled to the truck a moving means coupled to the flexible tape for causing movement of the flexible tape whereby the seatbelt is caused to approach or recede from a seated passenger to thereby automatically fasten or unfasten the seatbelt.

Abstract: A seatbelt system which includes an anchor plate which anchors one under the passenger restraining belt and which is fastened to a runner piece which moves along a guide rail fastened to a motor vehicle body. When the anchor plate receives a driving force, the anchor plate moves along the guide rail so that the belt is automatically fastened about the passenger. The seatbelt system is further arranged and configured such that a belt anchoring portion of the anchor plate and a portion of the runner piece that is directly supported by the guide rail are both provided on a straight line which coincides with the line of action of belt tension during a vehicular emergency whereby belt tension is securely supported by the guide rail.