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公开(公告)号：US12129137B2
公开(公告)日：2024-10-29
申请号：US17909305
申请日：2021-03-18
发明人： Takamasa Sato , Motoki Sugiyama
CPC分类号： B65H18/10 , B60R22/34 , B60R22/44 , B65H2403/72 , B65H2403/80
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：US10202098B2
公开(公告)日：2019-02-12
申请号：US15566969
申请日：2016-04-13
发明人： Yuji Suga , Shinichi Okubo , Wataru Yanagawa , Motoki Sugiyama
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：US10507789B2
公开(公告)日：2019-12-17
申请号：US15554334
申请日：2016-03-02
发明人： Wataru Yanagawa , Motoki Sugiyama
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：US10434978B2
公开(公告)日：2019-10-08
申请号：US15567836
申请日：2016-04-13
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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公开(公告)号：US10040419B2
公开(公告)日：2018-08-07
申请号：US15162117
申请日：2016-05-23
发明人： Wataru Yanagawa , Motoki Sugiyama
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.
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