公开(公告)号：US09610920B2

公开(公告)日：2017-04-04

申请号：US14669835

申请日：2015-03-26

申请人： KABUSHIKI KAISHA TOKAI-RIKA-DENKI-SEISAKUSHO

发明人： Wataru Yanagawa ,  Kengo Miura ,  Kosuke Miida

IPC分类号： B60R22/34 ,  B60R22/44 ,  B60R22/46

CPC分类号： B60R22/3413 ,  B60R22/44 ,  B60R22/4633 ,  B60R22/4676 ,  B60R2022/4642 ,  B60R2022/4661

摘要： In a pretensioner mechanism of a webbing take-up device, a sealing member seals a communicating hole of a piston. When a force limiter mechanism is operated and rotating of a spool in a pull-out direction is allowed, the piston is moved to an upper side in a state in which the sealing member is pressed and contacted against a cylinder. As a result, the sealing member is turned and the sealing of the communicating hole by the sealing member is released. In consequence, a number of components may be reduced and assembly characteristics of the pretensioner mechanism may be improved.

公开(公告)号：US08684294B2

公开(公告)日：2014-04-01

申请号：US12963571

申请日：2010-12-08

申请人： Masahiro Shiotani ,  Yusuke Iura

发明人： Masahiro Shiotani ,  Yusuke Iura

IPC分类号： B65H75/48

CPC分类号： B60R22/4628 ,  B60R22/4676 ,  B60R2022/287 ,  B60R2022/4642 ,  B60R2022/4661 ,  B60R2022/468

摘要： To allow a seat belt retractor to be easily assembled and to be made compact while effectively operating a pretensioner and an energy absorbing mechanism. A plurality of balls 20 rotate a ring gear 25 by gas generated in the event of an emergency. Since internal teeth 25a are meshed with external teeth 26a, a pinion 26 is rotated by the rotation of the ring gear 25, and a spool retracts a seat belt. After pressing the ring gear 25, the balls 20 separate from the ring gear 25 and are stored in an arc-shaped passage 33. Since the seat belt is then withdrawn, the pinion 26 and the ring gear 25 rotate in a seat-belt withdrawing direction. In this case, some of the balls 20 in contact with the ring gear 25 are returned by the ring gear 25. Therefore, the ring gear 25 more smoothly rotates because the influence of the balls 20 is suppressed.

摘要翻译： 允许安全带卷收器容易地组装并且被制造得紧凑，同时有效地操作预张紧器和能量吸收机构。 多个球20通过在紧急情况下产生的气体旋转环形齿轮25。 由于内齿25a与外齿26a啮合，小齿轮26通过齿圈25的旋转而旋转，并且线轴缩回座椅安全带。 在按压环形齿轮25之后，球20与环形齿轮25分离并且被存储在弧形通道33中。由于安全带然后被撤回，小齿轮26和齿圈25在座椅带退出中旋转 方向。 在这种情况下，与环形齿轮25接触的一些球20由齿圈25返回。因此，由于球20的影响被抑制，所以齿圈25更平稳地旋转。

公开(公告)号：US20130038047A1

公开(公告)日：2013-02-14

申请号：US13643125

申请日：2011-03-03

申请人： Thomas Schmidt ,  Martin Schmidt ,  Christian Fischer ,  Michael Pech ,  Matthias Steinberg ,  Tobias Voss

发明人： Thomas Schmidt ,  Martin Schmidt ,  Christian Fischer ,  Michael Pech ,  Matthias Steinberg ,  Tobias Voss

IPC分类号： B60R22/46

CPC分类号： B60R22/4628 ,  B60R2022/4642 ,  B60R2022/4661

摘要： A pretensioning device (10) for a safety belt, of a motor vehicle, having a gas generator (17), a piston (21) guided in a tube (16), which closes a pressure area (20) in the tube (16) that is pressurized by the gas generator (17) whereupon the piston (21) is able to move in a pretensioning movement which is able to be conveyed to the safety belt by means of an inertia body (19a) resting on a front face (9) of the piston (21). The piston (21) forms a pass-through opening (1) releasable upon exceeding of a predetermined pressure and a recess (26) is provided in the front face (9) with an inertia body (19a) resting thereon, so that a flow connection is created from the pass-through opening (1) to the area (25) located behind the piston (21) in the direction of the pretensioning movement (S).

摘要翻译： 一种用于机动车辆的安全带的预张紧装置（10），具有气体发生器（17），在管（16）中引导的活塞（21），其封闭管（16）中的压力区域（20） ），由气体发生器（17）加压，于是活塞（21）能够通过借助于静止在正面上的惯性体（19a）被传送到安全带的预张紧运动中移动 9）。 活塞（21）形成可以超过预定压力而可释放的通过开口（1），并且在前表面（9）上设置有一个在其上放置有惯性体（19a）的凹部（26） 在预张紧运动（S）的方向上从穿通开口（1）到位于活塞（21）后面的区域（25）形成连接。

公开(公告)号：US20060218918A1

公开(公告)日：2006-10-05

申请号：US11375030

申请日：2006-03-15

申请人： Masato Hirooka ,  Nobuyuki Katsuda ,  Naoki Matsuda

发明人： Masato Hirooka ,  Nobuyuki Katsuda ,  Naoki Matsuda

IPC分类号： F01B29/00 ,  B60R21/34

CPC分类号： F15B15/19 ,  B60R21/38 ,  B60R2022/4661

摘要： The present invention provides a pyrotechnic actuator comprising a cylindrical housing, both ends of which are open, an electric ignition device disposed to block an opening portion at one end of the cylindrical housing, and a piston and piston rod inserted into the cylindrical housing to be capable of an axial motion, the cylindrical housing having in a peripheral surface thereof a gas discharge port, the gas discharge port being blocked by the piston prior to activation and opened by the motion of the piston after activation.

摘要翻译： 本发明提供一种烟火致动器，其包括其两端开放的圆柱形壳体，设置成阻挡在圆柱形壳体的一端处的开口部分的电动点火装置，以及插入到圆柱形壳体中的活塞和活塞杆 能够轴向运动的圆柱形壳体具有气体排出口的外周表面，气体排出口在活化之前被活塞阻挡并且在活化后通过活塞的运动而打开。

公开(公告)号：US20050156073A1

公开(公告)日：2005-07-21

申请号：US11034469

申请日：2005-01-13

申请人： Franz Wier

发明人： Franz Wier

IPC分类号： B60R22/46

CPC分类号： B60R22/4633 ,  B60R2022/4661 ,  Y10T74/19828

摘要： A belt tensioner for a safety belt comprises a housing in which a piston is displaceable, and an exit port, wherein the exit port is arranged in the wall of the housing.

摘要翻译： 用于安全带的皮带张紧器包括活塞可移动的壳体和出口，其中出口端口布置在壳体的壁中。

公开(公告)号：US20040169105A1

公开(公告)日：2004-09-02

申请号：US10783180

申请日：2004-02-20

申请人： TRW Automotive GmbH

发明人： Franz Wier

IPC分类号： B60R022/46

CPC分类号： B60R22/4633 ,  B60R22/4676 ,  B60R2022/4661 ,  B60R2022/468

摘要： A belt retractor comprising a tensioning device having a cylinder and a piston displaceably guided in said cylinder, said piston being provided with a tooth rack section into which a pinion can engage to drive said belt retractor, wherein said tooth rack section comprises at least one segment which is detachably attached to said piston.

摘要翻译： 一种带卷收器，包括具有圆柱体和在所述圆柱体中可移动地引导的活塞的张紧装置，所述活塞设置有齿齿条部分，小齿轮能够接合以驱动所述带卷收器，其中所述齿齿条部分包括至少一个部分 其可拆卸地附接到所述活塞。

公开(公告)号：US20020056984A1

公开(公告)日：2002-05-16

申请号：US09682752

申请日：2001-10-12

发明人： Clas Jernstrom

IPC分类号： B60R022/36

CPC分类号： B60R22/4676 ,  B60R22/4619 ,  B60R2021/0018 ,  B60R2022/288 ,  B60R2022/4661 ,  B60R2022/4685

摘要： A belt pretensioner and force limiter in a vehicle having a piston-cylinder device with a cylinder chamber containing an explosive charge is taught. The piston has a piston rod that protrudes from the cylinder and is joined to a cable. The cable, via a drum and a planetary gear set, drives a reel mechanism for the belt in a winding-up direction when the explosive charge is detonated. The planetary gear set is so disposed that the gear ratio is about 1:1 between the drum and the reel mechanism when the drum rotates in the winding-up direction. The planetary gear set is geared up in the opposite direction so that the return movement of the piston a certain distance in the cylinder corresponds to a several times longer feed-out of the web from the reel mechanism.

摘要翻译： 教导了一种带有预紧器和力限制器的车辆，该车辆具有一个具有包含爆炸装药的气缸室的活塞气缸装置。 活塞具有从气缸突出并连接到电缆的活塞杆。 电缆通过鼓和行星齿轮组在爆炸炸药被引爆时沿着卷绕方向驱动皮带的卷轴机构。 行星齿轮组被设置成当滚筒沿着卷绕方向旋转时，滚筒和卷轴机构之间的传动比约为1:1。 行星齿轮组在相反的方向上向上弯曲，使得活塞在气缸中的一定距离的返回运动对应于幅材从卷轴机构的几倍更长的送出。

公开(公告)号：US06363722B1

公开(公告)日：2002-04-02

申请号：US09644679

申请日：2000-08-24

申请人： Hiroki Takehara ,  Hikaru Kameyoshi ,  Hiromasa Tanji ,  Joji Mishina

发明人： Hiroki Takehara ,  Hikaru Kameyoshi ,  Hiromasa Tanji ,  Joji Mishina

IPC分类号： F01B2908

CPC分类号： F15B11/028 ,  B60R22/4628 ,  B60R2022/4642 ,  B60R2022/4661 ,  F15B15/19 ,  F15B2211/40507 ,  F15B2211/45

摘要： To provide a pretensioner with further improved safety of the device, wherein gas is appropriately allowed to escape in the event that the gas pressure within the pipe rises excessively. A pretensioner is attached to the outer side of the frame of a seatbelt retractor. A pressure container is connected to the base portion of a pipe of the pretensioner. A gas generator is stored within this pressure container. Multiple balls are provided within the pipe. A hole is opened in the side wall of the pipe at the portion positioned between the gas generator and ball. A rivet or other device is driven into this hole. The rivet breaks in the event that internal pressure exceeding a certain pressure (i.e., abnormal pressure) is applied to the pipe, and falls loose from the hole. Alternative embodiments of gas escape mechanisms are provided.

摘要翻译： 为了提供进一步提高装置安全性的预张紧器，其中在管道内的气体压力过度上升的情况下，适当地允许气体逸出。 预紧器附接到安全带卷收器的框架的外侧。 压力容器连接到预紧器的管的基部。 气体发生器被储存在该压力容器内。 管内有多个球。 在位于气体发生器和球之间的部分的管壁的侧壁上开有一个孔。 铆钉或其他装置被驱动到该孔中。 在内管压力超过一定压力（即异常压力）的情况下，铆钉断裂，并从孔中松动。 提供排气机构的替代实施例。

公开(公告)号：US6017060A

公开(公告)日：2000-01-25

申请号：US978968

申请日：1997-11-26

申请人： John N. Wilson ,  Steven Stoll

发明人： John N. Wilson ,  Steven Stoll

IPC分类号： B60R22/195 ,  B60R22/46

CPC分类号： B60R22/1952 ,  B60R2022/4661

摘要： An apparatus (10) includes a housing (70) defining a chamber (80). The housing (70) also defines a vent passage (86) communicating the chamber (80) with the atmosphere outside the housing. A gas generator (120) associated with the housing (70), when actuated, generates gas in the chamber (80). A pressure relief plug (140) blocks gas flow through the vent passage (86) when the pressure relief plug is at a first temperature. The pressure relief plug (140) is made of a material which melts at a second temperature above the first temperature causing the vent passage (86) to become unblocked. The pressure relief plug (140) is insertable into the vent passage (86) and has a snap action connection with the housing (70).

摘要翻译： 设备（10）包括限定腔室（80）的壳体（70）。 壳体（70）还限定使腔室（80）与壳体外部的大气连通的通气通道（86）。 与壳体（70）相关联的气体发生器（120）在致动时在腔室（80）中产生气体。 当泄压塞处于第一温度时，压力释放塞（140）阻挡通过通气通道（86）的气流。 减压塞（140）由在高于第一温度的第二温度下熔化的材料制成，导致排气通道（86）不被堵塞。 压力释放塞（140）可插入到通气通道（86）中并与壳体（70）具有快动作连接。

公开(公告)号：US5956954A

公开(公告)日：1999-09-28

申请号：US93899

申请日：1998-06-09

申请人： Johannes Schmid

发明人： Johannes Schmid

IPC分类号： B60R22/46 ,  F01B29/08

CPC分类号： B60R22/4633 ,  B60R2022/4661 ,  B60R22/4676

摘要： A linear drive for a belt tensioner comprises a pyrotechnic propellant charge, a cylinder tube and a piston displaceably arranged therein. The propellant charge, upon ignition, provides a pressurized gas acting on the piston. The piston has a hollow interior adapted to be subjected to the pressurized gas and an axial end at which an end wall is provided. The end wall has a bursting disc arranged facing the interior of the piston and a through opening formed by a stepped bore. The stepped bore has a first section facing the interior of the piston and is provided with an edge facing the interior, and a second section adjacent the first section. The second section has a diameter which is smaller than a diameter of the first section. The bursting disc abuts at the edge of the first section of the stepped bore.

摘要翻译： 用于皮带张紧器的线性驱动器包括烟火推进剂装料，气缸管和可移动地布置在其中的活塞。 推进剂在点燃时充电，提供作用在活塞上的加压气体。 活塞具有适于经受加压气体的中空内部和设置端壁的轴向端部。 端壁具有面向活塞内部布置的爆破盘和由阶梯孔形成的通孔。 台阶孔具有面向活塞内部的第一部分，并且设置有面向内部的边缘和与第一部分相邻的第二部分。 第二部分的直径小于第一部分的直径。 爆破盘在阶梯孔的第一部分的边缘处邻接。