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公开(公告)号：US20220161755A1
公开(公告)日：2022-05-26
申请号：US17441460
申请日：2020-03-30
IPC分类号： B60R22/343 , B60R22/41
摘要： Unnecessary locking of rotation of a spool is suppressed. A webbing take-up device is provided with a spool, a pawl and a small pawl. The pawl is displaceable between an allowing position and a locking position. When a rotation speed of the spool in a pull-out direction exceeds a predetermined speed, the pawl displaces from the allowing position to the locking position and locks rotation of the spool in the pull-out direction. The small pawl is displaceable between a pawl limiting position and a lock position. In a state in which the small pawl is disposed at the pawl limiting position, the small pawl limits displacement of the pawl to a locking position side thereof. In a state in which the small pawl is disposed at the lock position, the small pawl locks rotation of the spool in the pull-out direction.
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公开(公告)号：US20180037192A1
公开(公告)日：2018-02-08
申请号：US15554334
申请日：2016-03-02
发明人： Wataru YANAGAWA , Motoki SUGIYAMA
CPC分类号： B60R22/4676 , B60R22/36 , B60R22/4633 , B60R2022/026 , B60R2022/287 , B60R2022/4642 , B60R2022/468
摘要： An increase in structural complexity is suppressed in a webbing take-up device provided with a force limiter load switching mechanism and a pre-tensioner mechanism. The webbing take-up device includes a spool that takes up a webbing, a pre-tensioner mechanism that takes up the webbing onto the spool by rotating the spool in the take-up direction in a vehicle emergency, and a lock mechanism that restricts pull-out direction rotation of the spool in a vehicle emergency. The webbing take-up device further includes a force limiter mechanism that permits pull-out direction rotation of the spool at a force limiter load or greater when the lock mechanism has restricted pull-out direction rotation of the spool, and a force limiter load switching mechanism that switches a force limiter load value by being input with a portion of an actuation force that actuates the pre-tensioner mechanism.
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公开(公告)号：US20160347276A1
公开(公告)日：2016-12-01
申请号：US15162117
申请日：2016-05-23
发明人： Wataru YANAGAWA , Motoki SUGIYAMA
IPC分类号： B60R22/34
CPC分类号： B60R22/3413 , B60R22/34 , B60R2022/286 , B60R2022/288
摘要： In a webbing take-up device, a base cartridge receives pressure of gas generated by an MGG, load from a piston that is moved by the pressure of the gas, and reaction force acting on the MGG when gas has been ejected from the MGG. This enables strength retention with respect to the above-described pressure, load, and reaction force to be simplified.
摘要翻译： 在卷带卷取装置中，当从MGG排出气体时，底盘盒承受由MGG产生的气体的压力，由气体压力移动的活塞的负载和作用在MGG上的反作用力。 这样就可以简化相对于上述压力，负荷和反作用力的强度保持。
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公开(公告)号：US20230086721A1
公开(公告)日：2023-03-23
申请号：US17909305
申请日：2021-03-18
发明人： Takamasa SATO , Motoki SUGIYAMA
IPC分类号： B65H18/10
摘要： In the webbing winding device, the rotation of the output shaft of the motor is transmitted to the spool via the first gear train. In this state, when the rotation speed of the spool decreases and the rotation of the slider base of the first clutch decreases, the coupling pawl of the second clutch is pressed by the slider provided on the slider base to mesh with the ratchet gear, and the rotation of the output shaft of the motor is transmitted to the spool via the second gear train.
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公开(公告)号：US20180154861A1
公开(公告)日：2018-06-07
申请号：US15567873
申请日：2016-04-21
发明人： Motoki SUGIYAMA
CPC分类号： B60R22/341 , B60R22/28 , B60R22/36 , B60R22/46
摘要： A webbing take-up device includes a spool that is rotated in a pull-out direction by a webbing being pulled out and a lock base that limits pull-out direction rotation of the spool in a vehicle emergency. The webbing take-up device also includes a wire shaped energy absorbing wire that is deformed so as to permit pull-out direction rotation of the spool at or above a force limiter load after the lock base has limited pull-out direction rotation of the spool, a winder section to which one end of the energy absorbing wire is anchored and that is rotated so as to take up the energy absorbing wire, and a wire guide and a lever that press and deform the energy absorbing wire at position offset in the axial direction of the winder section with respect to a location where the energy absorbing wire is anchored to the winder section.
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公开(公告)号：US20230087082A1
公开(公告)日：2023-03-23
申请号：US17796114
申请日：2021-01-12
发明人： Chihiro SANO , Motoki SUGIYAMA
IPC分类号： B60R22/405 , B60R22/343
摘要： A webbing winding device includes a spool, a sensor lever, and a solenoid. The sensor lever is displaceable between the first position and the second position. In a state where the sensor lever is disposed at the first position, the rotation in the drawing-out direction of the spool is enabled, and in a state where the sensor lever is disposed at the second position, the rotation in the drawing-out direction of the spool is locked. When the solenoid is actuated, a part of the sensor lever is attracted and the sensor lever is displaced from the first position to the second position. The center of gravity of the sensor lever is set so that the sensor lever is displaced toward the second position when negative acceleration with respect to the direction in which a part of the sensor lever is attracted to the solenoid is generated in the sensor lever.
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公开(公告)号：US20180326942A1
公开(公告)日：2018-11-15
申请号：US16030912
申请日：2018-07-10
发明人： Wataru YANAGAWA , Motoki SUGIYAMA
CPC分类号： B60R22/3413 , B60R22/34 , B60R2022/286 , B60R2022/288
摘要： In a webbing take-up device, a base cartridge receives the pressure of gas generated by a micro gas generator (“MGG”), load from a piston that is moved by the pressure of the gas, and a reaction force acting on the MGG when gas has been ejected from the MGG. This enables the strength retention structure of the base cartridge with respect to the above-described pressure, load, and reaction force to be simplified.
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公开(公告)号：US20180118156A1
公开(公告)日：2018-05-03
申请号：US15566969
申请日：2016-04-13
发明人： Yuji SUGA , Shinichi OKUBO , Wataru YANAGAWA , Motoki SUGIYAMA
CPC分类号： B60R22/28 , B60R22/3413 , B60R22/36 , B60R2022/285 , B60R2022/286 , B60R2022/288 , B60R2022/4642 , B60R2022/468 , B60R2022/4685
摘要： A webbing take-up device includes a spool, a lock base that restricts pull-out direction rotation of the spool in a vehicle emergency, and a linear energy absorbing wire that deforms so as to permit pull-out direction rotation of the spool at or above a force limiter load when the lock base has restricted pull-out direction rotation of the spool. The webbing take-up device further includes a housing with which the energy absorbing wire engages along a radial direction inside face of the housing, and a winder section provided at a radial direction inside of the housing. The winder section is capable of rotating together as a unit with the spool, and takes up the energy absorbing wire by being rotated. Moreover, a wire guide and a lever are provided between the winder section and the housing. The wire guide and the lever pinch and deform the energy absorbing wire.
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公开(公告)号：US20180086304A1
公开(公告)日：2018-03-29
申请号：US15567836
申请日：2016-04-13
CPC分类号： B60R22/28 , B60R22/34 , B60R2022/286
摘要： A webbing take-up device includes a spool that takes up a webbing worn by an occupant, and that is rotated in a pull-out direction due to the webbing being pulled out, and a lock base that limits pull-out direction rotation of the spool in a vehicle emergency. The webbing take-up device further includes an energy absorbing wire that undergoes deformation so as to permit pull-out direction rotation of the spool at or above a force limiter load when the lock base has limited pull-out direction rotation of the spool, and a second force limiter mechanism that adjusts the pressing force of the energy absorbing wire according to a remaining take-up amount of the webbing on the spool.
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