Abstract: A vehicle seat comprising a horizontal seat cushion, a support shaft projecting upward from the seat cushion, and a rotatable backrest secured on the support shaft. The vehicle seat further comprises a mechanism for regulating the rotational movement of the backrest, which can be controlled in response to a detected driving state of the vehicle. The backrest may be immovably retained at a normal position relative to the seat cushion during the usual forward driving, and allowed to rotate to a suitable position during a stop, reverse, or cornering of the vehicle.

Abstract: A device for moving up and down and tilting a headrest of a vehicle seat having a driven shaft for moving the headrest up and down and a support member for tilting the headrest. The drive shaft is operatively connected to leg members fixed to the headrest, and provided in a backrest of the vehicle seat. The support member is provided below the driven shaft. A drive mechanism drives the driven shaft to move the headrest up and down relative to the backrest, and a tilting mechanism rotates the leg members about the support member to tilt the headrest to a back of the seat backrest.

Abstract: A rotary seat for a vehicle has a seat cushion member rotably supported on a support shaft vertically mounted on the vehicle floor. Driving apparatus is connected to the seat cushion member for automatically rotating the seat cushion member between a direction toward the front of the vehicle and a direction toward a side door of the vehicle when the seat cushion member is not occupied. Disconnecting equipment is included for disconnecting the driving apparatus from the seat cushion member to allow the seat cushion member to be manually rotated when the seat cushion member is occupied. Control devices are provided for controlling the driving apparatus and the disconnecting equipment to place the seat cushion member in an automatic rotating mode or a manual rotating mode depending upon whether the seat is occupied.

Abstract: A wiper device for a vehicle, has a sub-arm turnably supported by a vehicle body through a supporting shaft provided in a base end thereof. An arm shaft is turnably provided in a tip end of the sub-arm and a base end of a wiper arm is fixed to the arm shaft. The supporting shaft has a cylindrical shape and a drive shaft is inserted into the cylindrical supporting shaft. One end of the drive shaft on the side of the sub-arm, is connected to the arm shaft by a gear mechanism and the other end of the drive shaft is connected to a drive source and is reciprocally turned thereby. To the outer surface of the supporting shaft is fixed a Geneva gear. On a circular plate turnably connected to the drive source is an eccentrically provided pin.

Abstract: Apparatus for controlling a plurality of power seats in a vehicle includes a plurality of power seats, each having adjusting mechanisms for configuring the power seat in a number of different operational states. Operational state detectors then detect the operational state of each power seat. A switching device is provided for adjusting the adjustment mechanisms of the power seats to a desired operational state. Control apparatus is responsive to signals output from the operation state detection devices and the switching device for controlling the adjustment mechanisms of the power seats. The control apparatus causes each power seat to reach its desired operational state in response to the detected operational state of that seat and other power seats to prevent interference among the plurality of moving power seats.

Abstract: The safety seat belt system comprises an emergency-locking type seat belt retractor (ELR) mounted within a tiltable backrest of a reclining seat. The ELR is mounted rotatably on a support shaft horizontally extending within the backrest and rigidly secured to the backrest frame in such a manner that the ELR is suspended vertically from the support shaft regardless of any change in the angle of the backrest. The ELR is locked to the support shaft by a releasable locking mechanism operated by an actuating mechanism which is preferably linked to the reclining adjustment lever of the backrest reclining mechanism.

Abstract: An emergency locking retractor (ELR) for a safety seat belt system provided with a slack-take-up spring operable to instantaneously bias a belt retracting reel to take-up a slack in the seat belt in an emergency situation of the vehicle. The retractor is further provided with a rewinding mechanism including an electric motor for rewinding the slack-take-up spring after the spring energy thereof has been released. Switching circuits for automatically energizing the electric motor are also possible.

Abstract: A seat belt retractor, a reel of which is rotated by a winding spring and a tightening spring when shock is applied on the automobile body. The winding spring is provided to a reel which winds a seat belt, while the tightening spring is provided to a shaft. In a normal condition, the reel is separated from the shaft by a clutch. Resilient force of the tightening spring is stored to the shaft by a stopper. In a normal condition, the seat belt is retracted only by the winding spring. When shock is applied on the automobile body, the stopper releases the shaft, which rotates by the tightening spring. Then, the clutch connects the shaft and the reel, whereby the seat belt is retracted by the winding spring and the tightening spring.

Abstract: A lock-type seat belt retractor including a ratchet mechanism, an inertia member which senses shock to the automobile, and a transmitting mechanism which transmits a movement of the inertia member to a pawl of the ratchet mechanism. The inertia member senses the shock by its relative motion to the transmitting mechanism. The transmitting mechanism includes a rod which moves in response to movement of the inertia member and pushes up a lever to raise the pawl. When the pawl engages with a tooth of a ratchet wheel, the seat belt is locked. The transmitting mechanism further includes a member which supports the rod and the inertia member. The support member swings relative to the automobile body so that this retractor can be locked reliably regardless of its angular position.

Abstract: In a webbing tension device adapted for use in a webbing retractor, winding means includes a worm rotated by an occupant and a worm wheel to which a rotative operation force to the worm is subjected to reduction to be transmitted, and a rotation force of the worm wheel is transmitted through clutch means to large resilient means biasing a webbing takeup shaft in a direction of a webbing retraction. Accordingly, after a vehicle is released from an emergency situation, the worm can be rotated against a biasing force of the large resilient means so that the large resilient means is wound up.

Abstract: A seat belt tensioning device includes a cylinder and a piston, one fixed to a vehicle and the other to a seat belt. Means are provided for operating the cylinder, on impact, to retract a piston rod and tension the belt. The piston rod is provided with a load limiting portion to be broken when the tension load of the seat belt reaches a predetermined value. Means are provided for locking the piston in the cylinder when the load limiting portion is broken. A second rod connects the seat belt and the piston when the load limiting portion is broken. The second rod is provided with a plastically deformable portion in contact with the piston. When the tension force of the seat belt applied to the piston through the second rod increases, the plastically deformable portion is deformed to absorb the kinetic energy of the passenger.

Abstract: A cylinder-piston type seat belt tensioning device comprises a broach pipe wherein a broach rod which is connected to a seat belt is disposed, a load limiting member connecting the broach rod to the piston, which is broken at a predetermined load, and locking means for locking the broach pipe in the cylinder when the load limiting member is broken. After the load limiting member is broken at a predetermined load, the broach rod returns while plastically deforming the broach pipe to absorb the kinetic energy of the occupant.

Abstract: A seat belt tensioning device for a vehicle comprises a fixed member fixed to a vehicle body, a movable member which is movable in the direction opposite to the fixed member, a bellow shaped flexible member, both ends of which are secured to the fixed member and the movable member to form a sealed chamber, a rod, one end of which is secured to the movable member, the other end of which is connected to a seat belt through the sealed chamber, and a guide member which is provided along the flexible member for guiding the elongation of the flexible member. One end of the guide member is airtightly fixed to the movable member and the other end of the guide member extends in the direction opposite to the movable member while airtightly and slidably contacted with the fixed member at an urgent time such as upon a vehicle impact, a high pressure gas is produced and is poured into the sealed chamber. Then, the flexible member which is usually contracted, is elongated due to the high gas pressure.

Abstract: A seat belt retracting and winding device in which a seat belt may be automatically retracted and wound on a winding reel under restoring or unwinding spring force of spiral springs. A cylindrical ratchet wheel is coaxially rotatably supported on a shaft of a winding reel, and is covered with a case attached to one of the side plates of a frame of the device. There are provided a first spiral spring disposed in a doughnut-shaped space defined between the case and the ratchet wheel, and a second spiral spring disposed in the ratchet wheel. The first spring has one end fixed to the case and the other end fixed to the ratchet wheel, while the second spring has one end fixed to the ratchet wheel and the other end fixed to the shaft of the reel. The ratchet wheel is formed with a plurality of ratchet teeth on its periphery, and a ratchet is pivotally disposed in the case for releasable engagement with the ratchet wheel teeth.

Abstract: A seat belt winding apparatus for a vehicle comprises a winding reel and spring means having one end connected to the winding reel and the other end connected to a stationary part of the apparatus. The spring means is constituted by two spiral springs connected to each other though an interposed ratchet gear rotatably mounted on a stationary part of the apparatus. There is provided for controlling rotation of the ratchet gear controlling means which includes a pawl adapted to releasably engage with the ratchet gear, electro-magnetic means for selectively actuating the pawl and a switch which responds to the states of the vehicle to selectively energize the electro-magnetic actuator means, thereby to control the combined force of the first and second springs in dependence on whether the pawl is engaged with the ratchet gear or not and hence in dependence upon the prevailing states of the vehicle.

Abstract: A seat belt locking device to be installed in a seat belt system of a vehicle together with an emergency lock retractor comprises a stationary first roller, a second roller which is movable toward the first roller due to a predetermined load of the seat belt stretched along the first roller and the second roller, a roller locking means which locks the second roller when the seat belt is strongly caught between the first roller and the second roller and a load limiting means which unlocks the roller locking means when the load of the seat belt reaches a predetermined value.

Abstract: A connector provided in an igniting circuit for connecting an igniting signal generator and a priming device comprises a first connector member and a second connector member which are connectable to each other. The first connector member comprises a pair of signal terminals connected to the priming device and a ground terminal connected to the ground line. The signal terminals are elastically contacted with the ground terminal. The second connector member comprises a pair of signal terminals connected to the igniting signal generator. These signal terminals are insulated from each other. When the first connector member is connected to the second connector member, the signal terminal of the first connector member are automatically separated from the ground terminal and then are contacted with the signal terminals of the second connector member.

Abstract: An energy absorbing device for use with a vehicular seat belt includes a housing adapted to be secured to the vehicle and defines a circular interior space and a narrow passage extending between the interior space and the outer surface of the housing. An elongated rod-like strip of a metal has a coiled end portion having a plurality of turns disposed in the circular space. An intermediate portion of the metal strip extends from the interior space outwardly through the narrow passage and terminates in the other end which is adapted to be connected to the seat belt. The junction between the circular space and the narrow passage is shaped to bend successive portions of the metal strip and guide them into the narrow passage when a tension of a magnitude greater than the bending stress of the metal strip is applied to the outer end of the strip during a collision.

Abstract: A seat belt tensioning device for a vehicle comprises a cylinder, a piston which is slidably inserted within the cylinder and a piston operating means.The piston is composed of a first and a second cylindrical piston members which are adjacent to each other.The seat belt tensioning device further comprises a rod which is connected to a seat belt and is contacted with the second piston member by passing a deformable member, which is plastically deformed by a predetermined tension force through the first piston member. The deformable member is disposed adjacent to the second piston member and connected to the rod by passing through the first and second members.The rod and the second piston member form a conical continuously inclined surface of which diameter is enlarged in the piston moving direction near the contact portion thereof. Stopper pieces having a sharp end portion are radially supported by the conical continuously inclined surface.

Abstract: A safety seat-belt retractor for use in vehicles, comprising a fixed frame, a winding shaft rotatably mounted on the frame, and a toothed member mounted on the shaft for relative rotation thereto. A pawl is operative in response to a predetermined deceleration of a vehicle to lock the toothed member against rotation relative to the frame. A first projection and a second annular projection are formed on an axial end face of the toothed wheel with the first projection radially spaced from and positioned between the second annular projection and the shaft. An elongated energy-absorption member has one end thereof secured to the shaft and the other end free and extends between the shaft and the first projection, around the latter in U-shape and between the first and second projections. The elongated energy-absorption member is forcedly drawn by and wound around the shaft to absorb a tension on the seat-belt when the toothed member is locked by the pawl.