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1. 发明授权

US4345723A Retractor provided with a take-up force reducing mechanism 失效
标题翻译：牵引机具有减速机构
公开(公告)号：US4345723A
公开(公告)日：1982-08-24
申请号：US188034
申请日：1980-09-17
申请人： Masaru Morinaga
发明人： Masaru Morinaga
IPC分类号： B60R22/44 , A62B35/00 , B65H75/48
CPC分类号： B60R22/44 , B60R2022/4426 , B60R2022/4433 , B60R2022/4453
摘要： A seat belt retractor is provided with a take-up force reducing mechanism which has two spiral springs at least one of which acts for webbing take-up and in which the webbing take-up force can be reduced by controlling at least one of the two spiral springs. The retractor comprises a cam formed integrally with a take-up shaft and having a small-diametered circular cam portion, a large-diametered circular cam portion and a spiral cam portion interconnecting said circular cam portions, a follower member adapted to follow the cam portions of the cam and during webbing pay-out, to move from one of the small-diametered and the large-diametered cam portion to the other via the spiral cam portion and during webbing rewind, to move from said other cam portion to said one cam portion via the spiral cam portion, and spring force controlling means for reducing the take-up force when the follower member is following the spiral cam portion.
摘要翻译：安全带卷收器设置有卷取力减小机构，该卷取力减小机构具有两个螺旋弹簧，其中至少一个作用于织带卷取，并且其中可以通过控制两个螺旋弹簧中的至少一个来减小织带卷取力螺旋弹簧牵引器包括与卷取轴一体形成的凸轮，其具有小直径圆形凸轮部分，大直径圆形凸轮部分和互连所述圆形凸轮部分的螺旋凸轮部分，适于跟随凸轮部分的从动件的凸轮，并且在织带放出期间，通过螺旋凸轮部分并且在织带重绕期间从小直径和大直径的凸轮部分中的一个移动到另一个，以从所述另一个凸轮部分移动到所述一个凸轮以及弹簧力控制装置，用于当随动构件跟随螺旋形凸轮部分时减小卷取力。

2. 发明申请

US20150367814A1 Safety Belt Retractor With a Two-Spring Comfort Function 有权
标题翻译：带双弹簧舒适功能的安全带牵开器
公开(公告)号：US20150367814A1
公开(公告)日：2015-12-24
申请号：US14765989
申请日：2014-01-27
申请人： AUTOLIV DEVELOPMENT AB
发明人： Ronald Jabusch
IPC分类号： B60R22/44
CPC分类号： B60R22/44 , B60R2022/4413 , B60R2022/4426
摘要： The invention relates to a safety belt retractor that has a two-spring comfort function, a belt shaft which is rotatably mounted in a housing and on which a safety belt can be wound, and at least two return springs that are spring-loaded in the winding direction of the belt and act between the housing and the belt shaft. The return springs being able to be connect by one end to the belt shaft or the housing by means of a shift device that shifts as a function of the extraction length of the safety belt.
摘要翻译：本发明涉及一种具有双弹簧舒适功能的安全带卷收器，可旋转地安装在壳体中并可安装安全带的带轴和至少两个弹簧加载在其中的复位弹簧带的卷绕方向并且在壳体和带轴之间作用。复位弹簧能够通过根据安全带的提取长度移动的换档装置通过一端连接到皮带轴或壳体。

3. 发明授权

US3984063A Seat belt retractor with assist spring 失效
标题翻译：带辅助弹簧的安全带卷收器
公开(公告)号：US3984063A
公开(公告)日：1976-10-05
申请号：US625641
申请日：1975-10-24
申请人： John F. Knieriemen
发明人： John F. Knieriemen
IPC分类号： B60R22/44 , A62B35/00 , B65H75/48 , F03G1/00
CPC分类号： B60R22/44 , B60R2022/4426
摘要： A seat belt retractor has a primary winding spring which is wound up during belt unwinding reel rotation to store energy for biasing the reel in the belt winding direction. An assist spring acts between the reel and an assist spring housing which is mounted for rotation relative both the retractor housing and the reel. A lock lever is pivotally mounted on the assist spring housing and is movable to a first position connecting the assist spring housing with the retractor housing so that the assist spring is wound up during belt unwinding reel rotation to store energy for biasing the reel in the belt winding direction and a second position connecting the assist spring housing with the reel so that the assist spring is maintained at its then existing state of wind up and has no biasing affect on the reel. A lock operating mechanism is provided which senses the extent of belt unwinding and moves the locking lever between the first and second positions in response to the extent of belt unwinding so that during belt unwinding within a predetermined range relative the limit of belt winding, the lock lever is in the first position to effect wind up of the assist spring and assist the primary spring in biasing the reel in the belt winding direction. The lock lever is moved to the second position upon belt unwinding beyond the predetermined range so that the assist spring is maintained at its then existing state of wind up with no biasing affect on the reel.
摘要翻译：安全带卷收器具有初级卷绕弹簧，该卷绕弹簧在卷带旋转期间被卷绕以存储用于沿卷带方向偏置卷轴的能量。辅助弹簧作用在卷轴和辅助弹簧壳体之间，辅助弹簧壳体安装成相对于牵开器壳体和卷轴旋转。锁定杆枢转地安装在辅助弹簧壳体上，并且可移动到将辅助弹簧壳体与牵开器壳体连接的第一位置，使得辅助弹簧在皮带退绕卷轴旋转期间被卷绕以存储用于将卷轴偏置在带中的能量将辅助弹簧壳体与卷轴连接的第二位置，使得辅助弹簧保持在其随后存在的卷绕状态，并且对卷轴没有偏置影响。提供了一种锁定操作机构，其感测皮带展开的程度，并且响应于皮带展开的程度使锁定杆在第一位置和第二位置之间移动，使得在相对于皮带缠绕极限的预定范围内的皮带展开期间，锁杠杆处于第一位置以实现辅助弹簧的卷绕，并且帮助主弹簧在带卷绕方向上偏置卷轴。当皮带展开超过预定范围时，锁定杆移动到第二位置，使得辅助弹簧保持在其当时存在的卷绕状态，而对卷轴没有偏置影响。

4. 发明授权

US09789849B2 Safety belt retractor with a two-spring comfort function 有权
公开(公告)号：US09789849B2
公开(公告)日：2017-10-17
申请号：US14765989
申请日：2014-01-27
申请人： Autoliv Development AB
发明人： Ronald Jabusch
IPC分类号： B60R22/44
CPC分类号： B60R22/44 , B60R2022/4413 , B60R2022/4426
摘要： The invention relates to a safety belt retractor that has a two-spring comfort function, a belt shaft which is rotatably mounted in a housing and on which a safety belt can be wound, and at least two return springs that are spring-loaded in the winding direction of the belt and act between the housing and the belt shaft. The return springs being able to be connect by one end to the belt shaft or the housing by means of a shift device that shifts as a function of the extraction length of the safety belt.

5. 发明授权

US4228968A Reel for automatic safety belts for vehicles, especially motor vehicles 失效
标题翻译：用于车辆，特别是汽车的自动安全带的卷轴
公开(公告)号：US4228968A
公开(公告)日：1980-10-21
申请号：US38276
申请日：1979-05-11
申请人： Walter Jahn
发明人： Walter Jahn
IPC分类号： B60R22/44 , A62B35/00 , B65H75/48
CPC分类号： B60R22/44 , B60R2022/4426
摘要： A reel arrangment for automatic safety belts of motor vehicles which include a roller rotatably mounted in a housing with the roller being subjected to the action of a spring in such a manner that the spring counteracts a withdrawal of the belt. A locking device is provided for locking the roller at high belt forces with a drag disk being mounted eccentrically with respect to a gear nonrotatably connected to the roller. The drag disk includes an engagement arrangement on a bearing surface thereof which cooperates with the gear in a belt take-up direction and is subject to the action of an additional spring in the belt extraction direction. A stop is provided on the reel housing for delimiting the rotational movement of the drag disk with the stop cooperating with two matching stops on the spring-loaded drag disk. The reel housing includes a curved control and guide track or surface which cooperates with a guide pin on the drag disk.
摘要翻译：一种用于机动车辆的自动安全带的卷轴布置，其包括可旋转地安装在壳体中的辊，其中辊受到弹簧的作用，使得弹簧抵抗带的抽出。提供了一种锁定装置，用于以较高的皮带力将所述滚子锁定，并且相对于不可旋转地连接到所述滚子的齿轮偏心安装的拖盘。牵引盘包括在其支承表面上的接合装置，该接合装置与齿轮在皮带卷绕方向上协作，并且在皮带提取方向上受到附加弹簧的作用。在卷轴壳体上设置有止动件，用于限定牵引盘的旋转运动，其中止动件与弹簧加载的拖盘上的两个匹配的止动件配合。卷轴壳体包括弯曲的控制和引导轨道或表面，其与牵引盘上的引导销配合。

6. 发明授权

US4183476A Wind-up roller for safety belts 失效
标题翻译：安全带卷绕辊
公开(公告)号：US4183476A
公开(公告)日：1980-01-15
申请号：US864477
申请日：1977-12-27
申请人： Artur Fohl
发明人： Artur Fohl
IPC分类号： B60R22/44 , B65H75/48 , A62B35/00
CPC分类号： B60R22/44 , B60R2022/4406 , B60R2022/4426
摘要： A safety belt wind-up roller includes a winding shaft for a safety belt, a rewind spring operatively connected to the winding shaft for rewinding the safety belt after it has been withdrawn, a compensating device for equalizing the restoring force of the rewind spring as the restoring force increases with increasing withdrawal of the safety belt, and a coupling member operatively associated with the winding shaft for rotation therewith, and the compensating device has a compensating member in the form of a roll spring mounted axially parallel to the winding shaft and having a radially outer end forcibly engageable with the coupling member during rotation of the winding shaft over a predetermined rotary angle as the safety belt is being rewound.
摘要翻译：安全带卷绕辊包括用于安全带的卷绕轴，可操作地连接到卷绕轴的倒带弹簧，用于在安全带被拉出之后重新卷绕安全带;补偿装置，用于使回绕弹簧的恢复力等于恢复力随着安全带的撤回而增加，以及与卷绕轴可操作地相关联以与其一起旋转的联接构件，并且补偿装置具有在轴向平行于卷绕轴安装的辊式弹簧形式的补偿构件，并且具有当安全带被重绕时，径向外端在连接构件的旋转期间以预定的旋转角度与连接构件强制接合。

7. 发明授权

US5251842A Dual-spring retractor operable by a series of discs 失效
标题翻译：双弹簧牵引器可由一系列光盘操作
公开(公告)号：US5251842A
公开(公告)日：1993-10-12
申请号：US689985
申请日：1991-04-23
申请人： James L. Zygutis , Gerald A. Doty
发明人： James L. Zygutis , Gerald A. Doty
IPC分类号： B60R22/44
CPC分类号： B60R22/44 , B60R2022/4426
摘要： A dual spring seat-belt retractor system with a tension-ease system operable to provide one of two springs continuously maintaining a retractive force on the belt to maintain the belt against the wearer in the tension-ease mode, which tension-ease system is automatically initiated at the cessation of belt protraction with a slight retraction to engage latch means that renders one of the springs ineffective to provide a reduced belt tension. A lost motion connection between the belt reel and the latch means permits limited belt movement by the user while maintaining the reduced tension until a predetermined retraction occurs.
摘要翻译：双弹簧座椅安全带卷收器系统，其具有张力系统，其可操作以提供两个弹簧中的一个，其连续地保持带上的收缩力，以将张力保持系统自动地张紧在使用者身上。在具有稍微缩回的带延伸的停止下开始接合闩锁装置，使得弹簧之一无效以提供减小的带张力。皮带卷轴和闩锁装置之间的空动连接允许用户有限的皮带移动，同时保持张力减小，直到出现预定的缩回。

8. 发明授权

US4303209A Tension reducer for dual spool retractor 失效
标题翻译：双线轴牵引器张力减速机
公开(公告)号：US4303209A
公开(公告)日：1981-12-01
申请号：US149616
申请日：1980-05-14
申请人： Robert L. Stephenson
发明人： Robert L. Stephenson
IPC分类号： B60R22/34 , B60R22/44 , A62B35/02 , B65H75/48
CPC分类号： B60R22/44 , B60R2022/3424 , B60R2022/4426
摘要： A dual spool seat belt retractor wherein the retraction force acting on the torso belt is reduced by connecting its rewind spring with the rewind spring of the lap belt. The connection may be made via a single shaft or a gear train.
摘要翻译：一种双线轴安全带卷收器，其中通过将其回绕弹簧与腰带的回卷弹簧相连，来减小作用在躯干带上的缩回力。连接可以通过单个轴或齿轮系进行。

9. 发明授权

US4215830A Safety belt retractors 失效
标题翻译：安全带卷收器
公开(公告)号：US4215830A
公开(公告)日：1980-08-05
申请号：US47975
申请日：1979-06-13
申请人： Douglas J. Cunningham
发明人： Douglas J. Cunningham
IPC分类号： B60R22/44 , A62B35/00 , B65H75/48
CPC分类号： B60R22/44 , B60R2022/4426
摘要： A safety belt retractor of a type including a pair of springs and a spring lock out mechanism enabling only one of the springs to operate when the belt is worn, in order to reduce belt tension, and to enable both of the springs to operate when the belt is released, to ensure reliable belt retraction. The retractor includes a sun and planet gear assembly including a gear ring, a planet gear and a sun gear. A shaft which rotates when the safety belt is retracted is coupled to a main spring by the sun and planet gear assembly. A stop limits orbital motion of the planet gear when the shaft is rotated, whereby the shaft is drivably coupled to the main spring through the gear assembly. A spring lock out mechanism secures the gearing against rotation, after the belt has been extracted, whereby the main springs stores its wound energy and its drive is disconnected from the shaft. An auxiliary spring, which is also coupled to the shaft, then applies a light bias to the belt. The spring lock out mechanism is released in response to orbital motion of the planet gear, when driven by the shaft, after releasing the belt which is retracted by the auxiliary spring.
摘要翻译：一种安全带卷收器，其包括一对弹簧和弹簧锁定机构，使得只有一个弹簧在皮带磨损时才能进行操作，以便减少皮带张力，并使弹簧能够在皮带被释放，以确保可靠的皮带收缩。牵引器包括太阳和行星齿轮组件，其包括齿圈，行星齿轮和太阳齿轮。当安全带缩回时旋转的轴通过太阳和行星齿轮组件联接到主弹簧。当轴旋转时，停止限制行星齿轮的轨道运动，由此轴通过齿轮组件可驱动地联接到主弹簧。在皮带被抽出之后，弹簧锁定机构固定传动装置以避免旋转，由此主弹簧储存其卷绕能量并且其驱动器与轴断开。还耦合到轴的辅助弹簧然后将光偏压施加到带上。当释放由辅助弹簧缩回的皮带后，弹簧锁定机构响应于行星齿轮的轨道运动而被驱动时被释放。

10. 发明授权

US3957222A Safety belts of wind-up type for vehicles 失效
标题翻译：用于车辆的卷绕式安全带
公开(公告)号：US3957222A
公开(公告)日：1976-05-18
申请号：US541084
申请日：1975-01-15
申请人： Carl Rutger Bladh
发明人： Carl Rutger Bladh
IPC分类号： B60R22/44 , B65H75/48
CPC分类号： B60R22/44 , B60R2022/4406 , B60R2022/4426
摘要： The invention relates to safety belts of the wind-up type for vehicles. In these safety belts the belt strap, connected to a shaft rotatably mounted in a casing and tending to be reeled up on the shaft by the action of a spiral spring member tightened by the unwinding of the strap from the shaft when the strap is pulled out and laid across the chest of the strapped user, exerts an often unpleasant pressure on the chest of said user. The invention provides a means adapted to counterbalance this pressure when the strap approaches and is kept in the position of use across the chest of the user, but not to interfere with the retractive or reeling-up force exerted by the spiral spring member on the strap in positions outside said position of use.
摘要翻译：本发明涉及用于车辆的卷绕式安全带。在这些安全带中，带束带连接到可旋转地安装在壳体中的轴，并且当带被拉出时，通过螺旋弹簧构件的作用被卷绕在轴上，该螺旋弹簧构件通过松开带从轴处而被收紧并且穿过被捆绑的使用者的胸部，对所述用户的胸部施加经常令人不快的压力。本发明提供了一种适于当带子接近并且保持在用户胸部的使用位置时抵抗该压力的装置，但不妨碍由螺旋弹簧构件施加在带子上的回缩力或卷取力在所述使用位置之外的位置。

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