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公开(公告)号：US5588608A
公开(公告)日：1996-12-31
申请号：US294917
申请日：1994-08-24
申请人： Keisuke Imai , Keiichi Kato , Takayuki Ando , Fuminori Teraoka , Kenji Matsui
发明人： Keisuke Imai , Keiichi Kato , Takayuki Ando , Fuminori Teraoka , Kenji Matsui
IPC分类号： B60R22/46
CPC分类号： B60R22/4619
摘要： A pretensioner is disclosed which, when a vehicle suddenly decelerates, a large quantity of gas is generated, and the gas flows into a cylinder from a gas-generating a device. As a result of pressure of the gas, a movable pulley moves instantaneously together with a piston, so that the wire trained around the movable pulley is pulled. An amount by which a wire is pulled is twice an amount by which a wire is pulled in cases where the wire is directly connected to the piston, as in conventional devices. Accordingly, the wire can be pulled by the same amount by using only half of a length of a conventional cylinder, thus making it possible to manufacture a pretensioner which has a short cylinder.
摘要翻译： 公开了一种预紧器，其在车辆突然减速时产生大量气体，并且气体从气体发生装置流入气缸。 作为气体压力的结果，活动滑轮与活塞一起瞬间移动，从而拉动围绕可动滑轮的线材。 如在常规装置中那样，拉丝的量是线材直接连接到活塞的情况下的拉丝量的两倍。 因此，通过仅使用常规气缸的长度的一半，可以使线材拉伸相同的量，从而可以制造具有短气缸的预紧器。
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公开(公告)号：US4583701A
公开(公告)日：1986-04-22
申请号：US550249
申请日：1983-11-09
申请人： Kenji Matsui , Fuminori Teraoka
发明人： Kenji Matsui , Fuminori Teraoka
IPC分类号： B60R22/40 , B60R22/415
CPC分类号： B60R22/415
摘要： In a webbing retractor used in a seatbelt system for protecting an occupant in an emergency situation of a vehicle, a first guide portion of a cam ring is opposed to a transmitting means to thereby put a locking means in an engageable condition until a webbing is unwound up to a first predetermined amount, an acceleration sensor puts the locking means in an engaged condition to stop a webbing-unwinding rotation of a takeup shaft only in the emergency situation of the vehicle, a second guide portion of the cam ring is opposed to the transmitting means to thereby bias the locking means in the engaged condition when the webbing is unwound in an amount of more than the first predetermined amount, and, thereafter, an automatic locking mechanism is worked when the occupant, a fixture such as a child seat or the like is embraced by the webbing, so that the occupant, the fixture or the like is restrained surely.
摘要翻译： 在用于安全带系统中的用于在车辆的紧急情况下保护乘员的安全带牵开器中，凸轮环的第一引导部分与传动装置相对，从而将锁定装置置于可接合状态，直到织带展开 一直到第一预定量，加速度传感器将锁定装置置于接合状态，以仅在车辆的紧急情况下停止卷绕轴的安全带卷绕旋转，所述凸轮环的第二引导部分与 当所述织带以大于所述第一预定量的量展开时，所述锁定装置在所述接合状态下偏置，并且此后，当所述乘员，诸如儿童座椅的固定装置 这样的织带被包围，使得乘员，夹具等被可靠地约束。
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公开(公告)号：US4436255A
公开(公告)日：1984-03-13
申请号：US339707
申请日：1982-01-15
申请人： Kenji Matsui , Fuminori Teraoka
发明人： Kenji Matsui , Fuminori Teraoka
IPC分类号： B60R22/40 , B60R22/415 , A62B35/02 , B65H75/48
CPC分类号： B60R22/415
摘要： A seatbelt retractor for use in a motor vehicle to retract a passenger restraining seatbelt to be fastened around an occupant. The seatbelt is wound around a rotatable takeup shaft in layers by a biasing force in the seatbelt retractor. Fixed on the takeup shaft is a ratchet wheel, and a pawl is opposed to the ratchet wheel, whereby when the pawl meshes with the ratchet wheel, and thereby stops the belt-unwinding rotation of the takeup shaft. An inertia lock mechanism is provided in the retractor to actuate the pawl to mesh with the ratchet wheel in a vehicular emergency situation. A cam mechanism is also provided in the retractor, which includes a cam member or ring rotated by the takeup shaft and a follower member or linear spring driven by the cam member and opposed to the pawl. The cam member actuates the follower member to move the pawl into engagement with the ratchet wheel when the seatbelt is unwound more than a predetermined value, namely a value necessary for the fastening of the seatbelt. When the seatbelt is unwound within the predetermined value from the takeup shaft, the takeup shaft is kept rotatable in either direction and its belt-unwinding rotation is stopped by the inertia lock mechanism during a vehicular emergency situation. When the seatbelt is unwound more than the predetermined value, the takeup shaft is automatically stopped in its belt-unwinding rotation by the cam mechanism.
摘要翻译： 一种用于机动车辆的安全带卷收器，用于缩回乘客限制安全带以固定在乘员身上。 安全带通过安全带卷收器中的偏置力缠绕在可旋转的卷绕轴上。 固定在卷取轴上的是棘轮，并且棘爪与棘轮相对，由此当棘爪与棘轮啮合时，从而停止卷绕轴的皮带退绕旋转。 在牵开器中设有惯性锁定机构，以在车辆紧急情况下致动棘爪与棘轮啮合。 牵引器还设有凸轮机构，其包括由卷取轴旋转的凸轮部件或环，以及由凸轮部件驱动并与棘爪相对的从动部件或线性弹簧。 当安全带展开超过预定值即安全带固定所必需的值时，凸轮构件致动从动构件以将棘爪移动成与棘轮接合。 当安全带在卷取轴的预定值内退绕时，卷取轴可以在任何方向上保持旋转，并且在车辆紧急情况期间，卷带退绕旋转由惯性锁定机构停止。 当安全带展开超过预定值时，卷取轴在凸轮机构的带退卷旋转中自动停止。
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公开(公告)号：US5314138A
公开(公告)日：1994-05-24
申请号：US789285
申请日：1991-11-08
CPC分类号： B60R22/4604 , B60R22/42
摘要： A preloader for use in a webbing retractor for retracting an occupant-restraining webbing onto a webbing takeup shaft, and adapted to allow a webbing to be applied to a vehicle occupant with appropriate tightness. An engaging shaft is coaxially coupled with the takeup shaft, and a rotating drum is disposed around the engaging shaft at a fixed distance from the engaging shaft. The rotating drum is held by a plate, and a wire is tightly wound around the outer periphery of the rotating drum. A clamp member is disposed swingably in a direction in which the clamp member engages the webbing and in a direction in which the clamp member moves away therefrom. An urging member is provided for constantly urging the clamp member in a webbing-clamping direction. A trigger member is disposed between the clamp member and the plate, and holds the clamp member in spaced-apart relationship with the webbing. A driving force is imparted to the wire when the vehicle suddenly decelerates, and the wire is tightly wound around the drum, thereby allowing the rotating drum and the engaging shaft to rotate integrally in a webbing-taking-up direction. As the plate rotates with the rotating drum, the state in which the clamp member is held by the trigger member in spaced-apart relationship with the webbing is canceled. Consequently, the webbing is clamped by the clamp member, thereby preventing the tight winding of the webbing and restraining the occupant reliably.
摘要翻译： 一种用于织带卷收器的预加载器，用于将占用人约束织带收回到织带收卷轴上，并且适于允许以适当的紧密度将织带施加到车辆乘员。 接合轴与卷取轴同轴联接，并且旋转滚筒围绕接合轴线设置在离啮合轴一定距离处。 旋转鼓由板保持，并且线缠绕在旋转滚筒的外周上。 夹紧构件可沿夹紧构件接合织带的方向和夹紧构件从其移开的方向摆动地设置。 提供一个施力构件，用于在织带夹紧方向上不断地推动夹紧构件。 触发构件设置在夹紧构件和板之间，并且夹紧构件与织带保持间隔开的关系。 当车辆突然减速时，向导线施加驱动力，并且电线紧紧地缠绕在滚筒周围，从而允许旋转滚筒和接合轴沿织带卷取方向一体地旋转。 随着板与旋转滚筒一起旋转，夹紧构件被触发构件以与织带隔开的关系保持的状态被取消。 因此，通过夹紧构件夹紧织带，从而防止织带的紧密卷绕并且可靠地限制乘员。
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公开(公告)号：US4213580A
公开(公告)日：1980-07-22
申请号：US952828
申请日：1978-10-20
CPC分类号： B60R22/44 , B60R2022/4453
摘要： 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.
摘要翻译： 第一和第二弹簧串联连接到安全带的卷取轴上以产生卷起力; 当安全带被乘员放置时，棘爪与设置在所述弹簧之间的连接部分处的闩锁齿轮接合，由此只有一个弹簧的偏置力被施加到卷取轴，从而减小风 卷取轴的力; 在安全带从乘员释放之后，棘爪通过凸轮装置从闩锁齿轮脱离，由此两个弹簧的卷起力被施加到卷取轴，从而增加了卷取力的卷起力 上轴 此外，用于使闩锁齿轮与棘爪接合的摩擦装置通过可摆动地移动的一对突出的弹性装置与卷取轴摩擦接触，由此固定闩锁齿轮和棘爪之间的接合。
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公开(公告)号：US5195694A
公开(公告)日：1993-03-23
申请号：US796822
申请日：1991-11-25
CPC分类号： B60R22/4604 , B60R22/42
摘要： A preloader adapted to forcibly pull a webbing in a taking-up direction when the vehicle suddenly decelerates, so as to allow the webbing to be applied closely around an occupant. A clamp member for clamping the webbing is provided to prevent a subsequent tight winding of the webbing. The clamp member is constantly urged in a webbing-clamping direction by an urging member, and is normally held in a position spaced apart from the webbing against an urging force of the urging member. As the holding is canceled after the forcible taking up of the webbing, the clamp member is capable of clamping the webbing.
摘要翻译： 一种预加载器，适用于当车辆突然减速时强制地拉动卷绕方向的织带，以便使织带紧密地施加在乘员周围。 提供用于夹紧织带的夹紧构件以防止随后紧紧卷绕织带。 夹紧构件通过施力构件在织带夹紧方向上不断地被推压，并且通常抵抗推动构件的推动力保持在与织带隔开的位置。 由于在强制卷绕织带之后取下保持件，夹紧构件能够夹紧织带。
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公开(公告)号：US5174521A
公开(公告)日：1992-12-29
申请号：US726961
申请日：1991-07-08
申请人： Keisuke Imai , Akio Numazawa , Fuminori Teraoka
发明人： Keisuke Imai , Akio Numazawa , Fuminori Teraoka
IPC分类号： B60R22/46
CPC分类号： B60R22/4619 , B60R2022/468
摘要： A preloader for use in a webbing retractor for retracting an occupant-restraining webbing onto a takeup shaft so as to allow the webbing to be applied to the occupant with appropriate tightness. A rotating drum disposed coaxially with the takeup shaft has an annular groove. A wedge member is held around the rotating drum at a certain distance from the rotating drum by a shear pin. A wire is wound in advance around the outer periphery of the wedge member. At the time of a sudden deceleration of a vehicle a driving force is applied to the wire, and the wire in turn tightens the wedge member by being more tightly wound therearound. The shear pin is broken by the tight winding by the wire, and the wedge member is wedge-fitted to the rotating drum, so that the wedge member and the rotating drum rotate integrally and cause the takeup shaft to rotate.
摘要翻译： 一种用于织带卷收器的预加载器，用于将占用人的织带回缩到卷绕轴上，以便以适当的密封性将织带施加到乘员身上。 与卷取轴同轴设置的旋转滚筒具有环形槽。 楔形构件通过剪切销与旋转的滚筒一定距离地保持在旋转滚筒周围。 线预先围绕楔构件的外周缠绕。 在车辆突然减速时，驱动力被施加到线上，并且线又通过在其周围更紧密地缠绕而使楔形构件紧固。 剪线通过线的紧密缠绕而断裂，并且楔形构件楔形配合到旋转鼓上，使得楔形构件和旋转滚筒一体地旋转并使卷取轴旋转。
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公开(公告)号：US4029339A
公开(公告)日：1977-06-14
申请号：US627379
申请日：1975-10-30
CPC分类号： B60R22/04
摘要： A safety belt device for use in vehicles, having at least one belt extending across the body of a passenger sitting on a seat, in which the belt is held in a disengaging position forwardly of the seat irrespective of the door opening and closing operation when the passenger is not sitting on the seat, providing for the passenger to get into the vehicle, and is placed in an engaging position when the passenger has sat down on the seat and closed the door, restraining the body of the passenger, and is retracted to the disengaging position when the passenger sitting on the seat has opened the door providing for alighting of the passenger from the vehicle.
摘要翻译： 一种用于车辆的安全带装置，具有至少一个穿过坐在座椅上的乘客身体延伸的皮带，其中皮带保持在座位向前的脱离位置，而与门打开和关闭操作无关 乘客不坐在座位上，提供乘客进入车辆，并且当乘客坐在座位上并关闭门时，被放置在接合位置，限制乘客的身体并且被缩回到 当坐在座位上的乘客已经打开门来提供乘客从车辆下车时的分离位置。
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公开(公告)号：US5538284A
公开(公告)日：1996-07-23
申请号：US365746
申请日：1994-12-29
申请人： Seiji Nishide , Fuminori Teraoka , Hideki Tanaka
发明人： Seiji Nishide , Fuminori Teraoka , Hideki Tanaka
IPC分类号： B60R22/46 , B60R22/195 , G01P1/04 , G01P15/03 , B60R22/36
CPC分类号： B60R22/1956 , G01P1/04 , G01P15/036
摘要： When a vehicle accelerates to a predetermined value, a pretensioner mounted to an occupant seat applies a pulling force to a seat belt under a force produced by detonating an explosive material. When the seat is moved in the longitudinal direction of a vehicle in order to adjust the position and the seat comes to a halt at a frontal end position, an acceleration more than or equal to the predetermined value is developed in an acceleration sensor. However, the acceleration sensor is provided with a lock means mounted to the seat. Even if the seat suddenly stops at the frontal end position, the acceleration sensor is restrained from moving and the pretensioner is not actuated. The lock means is actuated even when a walk-in mechanism for directly moving the seat to the frontal end is operated.
摘要翻译： 当车辆加速到预定值时，安装到乘员座椅的预紧器在通过引爆爆炸材料产生的力的作用下向安全带施加拉力。 当座椅沿着车辆的纵向方向移动以调整位置并且座椅在前端位置处停止时，在加速度传感器中产生大于或等于预定值的加速度。 然而，加速度传感器设置有安装在座椅上的锁定装置。 即使座椅在前端位置突然停止，加速度传感器被限制移动，预紧器也不被致动。 即使当用于将座椅直接移动到前端的步进机构被操作时，锁定装置也被致动。
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公开(公告)号：US4993656A
公开(公告)日：1991-02-19
申请号：US414512
申请日：1989-09-29
IPC分类号： B60R22/36 , B60R22/34 , B60R22/40 , B60R22/405 , B60R22/48
CPC分类号： B60R22/405 , B60R2022/3419
摘要： A webbing retractor which, when a webbing is drawn out instantaneously, prevents the drawing out of the webbing by operating a lock mechanism. In addition, when a vehicle is decelerated suddenly, the drawing out of the webbing is also instantaneously prevented by causing a pawl to engage with a lock wheel preventing the lock wheel from rotating. The webbing retractor includes a lever which is swung in such a manner as to be movable between a first position in which the pawl is made unengageable with the lock wheel and a second position in which the pawl is made engageable with the lock wheel. The webbing retraction also includes a lever swing member which causes the lever to be located in the first position as the take-up shaft rotates in a webbing taking-up direction and to be situated in the second position as the take-up shaft rotates in a webbing draw-out direction. Accordingly, the pawl is prevented from engaging with the lock wheel at a take-up limit of the webbing.
摘要翻译： 一种织带卷收器，当织带立即拉出时，通过操作锁定机构来防止拉出织带。 此外，当车辆突然减速时，也可以通过使棘爪与防止锁轮旋转的锁定轮接合来瞬间防止织带的拉出。 所述带卷卷收器包括杠杆，所述杠杆以能够在所述棘爪与所述锁定轮不能接合的第一位置和所述棘爪与所述锁定轮啮合的第二位置之间移动的方式摆动。 织带收回还包括杠杆摆动构件，当杠杆绕卷绕方向旋转时，杆杆位于第一位置，并且随着卷取轴旋转而位于第二位置 织带拉出方向。 因此，防止棘爪在织带的卷绕极限处与锁定轮接合。
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