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公开(公告)号：US20220001833A1
公开(公告)日：2022-01-06
申请号：US17294806
申请日：2019-11-01
发明人： Tomoya OWAKI , Takuhiro SAITO , Kazuhiro YAMADA , Atsushi NISHINO
IPC分类号： B60R22/343 , B60R22/405
摘要： A webbing retractor includes: a take-up shaft on which a webbing that is applied to a vehicle occupant can be taken-up, and on which the webbing is taken-up due to the take-up shaft being rotated in a take-up direction, and that is rotated in a pull-out direction due to the webbing being pulled-out; a restricting member that, by being operated, restricts rotation of the take-up shaft in the pull-out direction; a sensing section that senses a pulled-out state of the webbing; and a control section that, in a case in which the sensed pulled-out state corresponds to a state in which the webbing is pulled-out to a predetermined position, operates the restricting member and restricts rotation of the take-up shaft.
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公开(公告)号：US20210394708A1
公开(公告)日：2021-12-23
申请号：US17279985
申请日：2019-09-24
IPC分类号： B60R22/38 , B60R22/343 , B60R22/48
摘要： In a vehicle emergency, a spool of a webbing take-up device is rotated in a pull-out direction such that a main lock is displaced toward a rotation-radial direction outside of the spool and engages with a clutch gear configuring a first rotation body. Rotation of the spool in the pull-out direction is thus restricted. Also in a vehicle emergency, the first rotation body is rotated in a take-up direction of the spool such that the main lock engages with the first rotation body, and rotation force of the first rotation body is transmitted to the spool through the main lock and the spool is rotated in the take-up direction.
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公开(公告)号：US20190168709A1
公开(公告)日：2019-06-06
申请号：US16321270
申请日：2017-08-03
发明人： Atsushi NISHINO
IPC分类号： B60R22/405 , B60R22/46
摘要： A webbing take-up device is provided with a spool that is rotated in a pull-out direction as a result of a webbing of a seatbelt device being pulled out, a sliding contact surface that is provided on a side in a rotation axis direction of the spool, and a locking component that, as a result of the locking component being moved towards a locking side, causes rotation of the spool in the pull-out direction to be restricted, and in which a curved surface portion that bulges towards the sliding contact surface side is provided further toward an inner side than an outer peripheral edge side of the sliding contact surface side, and in which the curved surface portion is made to slide across the sliding contact surface by the movement of the locking component towards the locking side.
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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：US20200164833A1
公开(公告)日：2020-05-28
申请号：US16682382
申请日：2019-11-13
发明人： Tomoya OWAKI , Takuhiro SAITO , Kazuhiro YAMADA , Atsushi NISHINO
IPC分类号： B60R22/46 , B60R22/405
摘要： A webbing retractor includes a spool, a motor, a force limiter mechanism, a first rotating body, a second rotating body, a ratchet gear, a pawl body and a control section. The ratchet gear is provided at one of the first rotating body or the second rotating body. The pawl body is provided at another of the first rotating body or the second rotating body. The pawl body can engage with the ratchet gear in a case in which the first rotating body rotates toward one side, and engagement of the pawl body with the ratchet gear being cancelled in a case in which the first rotating body rotates toward another side. The control section drives the motor to rotate in reverse, such that the first rotating body rotates toward another side in a case in which a physical amount relating to load of the passenger exceeds a predetermined value during forward rotational driving.
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