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    • 3. 发明授权
    • Retractor device for a seat belt
    • 安全带牵引装置
    • US5409176A
    • 1995-04-25
    • US103248
    • 1993-08-09
    • Robert Kopetzky
    • Robert Kopetzky
    • B60R22/44B65H75/48
    • B60R22/44B60R2022/4413
    • A retractor for a safety belt 17 in power vehicles includes a belt reel 11, which is secured in fixed rotating fashion to a first cable reel 12 with a spiral groove 15. Wound in the groove 15 is a flexible tension element 13, which extends to a second cable reel 14 with a spiral groove 18. The two cable reels 12, 14 taper axially in opposite directions. The cable reel 14 is subjected to the action of a spiral spring 16 in direction of rotation such that the safety belt 17 is wound onto the belt reel 11. The spiral spring 16 is housed in a cavity 21 in the second cable reel 14.
    • 用于动力车辆中的安全带17的牵开器包括带状卷轴11,其以固定的旋转方式固定到具有螺旋槽15的第一缆线卷轴12上。槽15中的缠绕是柔性张紧元件13,其延伸至 具有螺旋槽18的第二缆线卷轴14.两个电缆卷盘12,14沿相反方向轴向缩径。 电缆卷盘14在旋转方向上受到螺旋弹簧16的作用,使得安全带17卷绕在带卷轴11上。螺旋弹簧16容纳在第二缆线卷轴14的空腔21中。
    • 4. 发明授权
    • Constant pull safety belt retracting mechanism
    • US4099683A
    • 1978-07-11
    • US764945
    • 1977-02-02
    • Richard C. StoufferJohn Adams
    • Richard C. StoufferJohn Adams
    • B60R22/44A62B35/02B65H75/48
    • B60R22/44B60R2022/4413
    • A safety belt retracting mechanism having constant pull includes a rotatable spool for storing the belt inside a housing. A conventional, positive coefficient of force spring inside the housing applies a retracting force to the spool and belt as the belt is pulled by the occupant. The spring is coupled between the housing and spool through a variable gear ratio gear train having a negative coefficient of force transfer characteristic. The negative transfer characteristic of the gear train compensates for the positive characteristic of the spring to provide constant pull to the belt between fully retracted and fully protracted belt positions. Three embodiments of the invention are disclosed. In one embodiment, the changing gear ratio is produced by a pair of oppositely oriented cone gears connected respectively to the spring and to a spindle supporting the belt spool. The cone gears are coupled together with a traversing pinion that lowers the force gear ratio of the cones as the belt is protracted by the occupant. In another embodiment, an approximately semicircular sector gear is mounted eccentrically on a shaft whereby the effective radius of the sector gear varies as a function of sector angle. The spindle is coupled to the spring (1) through a small radius portion of the sector gear when the belt is fully retracted, and (2) through progressively larger radius portions as the belt is protracted by the occupant providing the changing gear ratio. In a third embodiment, the gear train includes a pair of enmeshing sector gears and a number of intermediate spur gears. Each of the sector gears has an elliptical surface portion. When the belt is in a fully retracted position, the sector gears are oriented with the major axes thereof coincident to each other. As the belt is protracted, the enmeshing sector gears are each rotated by a maximum of 90.degree.. Output shafts are attached to the sector gears at corresponding sides thereof and on the major axes. A continuously decreasing gear ratio provided by the elliptical surface portions of the sector gears as the belt is protracted produces the negative coefficient of force transfer characteristic of the gear train.
    • 7. 发明申请
    • SICHERHEITSGURTAUFROLLER MIT EINER 2-FEDERKOMFORTFUNKTION
    • 座椅安全带用2-PEN COMFORT FUNCTION
    • WO2014122039A1
    • 2014-08-14
    • PCT/EP2014/051490
    • 2014-01-27
    • AUTOLIV DEVELOPMENT AB
    • JABUSCH, Ronald
    • B60R22/44
    • B60R22/44B60R2022/4413B60R2022/4426
    • Die vorliegende Erfindung betrifft einen Sicherheitsgurtaufroller mit einer 2-Federkomfortfunktion umfassend eine in einem Gehäuse (1) drehbar gelagerte Gurtwelle (2), auf der ein Sicherheitsgurt aufwickelbar ist, und wenigstens zwei zwischen dem Gehäuse (1) und der Gurtwelle (2) wirkende, in Aufwickelrichtung des Sicherheitsgurtes federvorgespannte Rückzugsfedern (6, 7), wobei die Rückzugsfedern (6, 7) parallelwirkend zwischen der Gurtwelle (2) und dem Gehäuse (1) angeordnet sind, und wenigstens eine der Rückzugsfedern (6, 7) über eine in Abhängigkeit von der Auszugslänge des Sicherheitsgurtes schaltende Schalteinrichtung (33) mit einem Ende (15, 16, 17, 19) mit der Gurtwelle (2) oder dem Gehäuse (1) verbindbar ist.
    • 本发明涉及一种座位用2弹簧舒适功能,其包括在壳体(1)可旋转地安装阀芯(2),其上的座椅安全带被卷绕,并作用在壳体(1)和带轴(2)之间的至少两个, 在座椅安全带弹簧偏置复位弹簧(6,7),其中,所述复位弹簧(6,7)作用在带轴之间平行(2)和所述壳体的所述绕组(1)通过根据配置,并且复位弹簧中的至少一个(6,7) 从具有一个端部(15,16,17,19)与所述带轴(2)或所述壳体(1)可连接的带切换装置(33)的延伸长度进行切换。
    • 8. 发明授权
    • Seat belt retractor
    • 安全带卷收器
    • US06206314B1
    • 2001-03-27
    • US09388545
    • 1999-09-02
    • Masahiro ShiotaniNoriyuki KosugiIsamu MizunoHiromasa Tanji
    • Masahiro ShiotaniNoriyuki KosugiIsamu MizunoHiromasa Tanji
    • B60R2234
    • B60R22/44B60R2022/4413
    • A seat belt retractor of the invention is basically formed of a first reel, a second reel, a rope extending between the first reel and the second reel, and a spiral spring situated in the second reel as an urging force providing device. The first reel is connected coaxially to a rotational axis of a reel shaft for winding a webbing, and has a drum shape on which the rope fixed at one end to the first reel is wound. The second reel has a rotational shaft disposed parallel to and laterally spaced away from the first reel. The second reel includes a small diameter reel portion, a large diameter reel portion, and a transition portion connecting the small diameter reel portion and the large diameter reel portion. The rope attached to the first reel extends to the small diameter reel portion and the transition portion, and is wound around a groove of the large diameter reel portion. The seat belt retractor is improved in assembling the members, and an approximately constant force for withdrawing the webbing can be achieved even if a withdrawal amount of the webbing is increased.
    • 本发明的安全带卷收器基本上由第一卷轴,第二卷轴,在第一卷轴和第二卷轴之间延伸的绳索和位于第二卷轴中的螺旋弹簧作为推动力提供装置形成。 第一卷轴与卷轴的旋转轴线同轴地连接,用于卷绕织带,并且具有卷绕在一端固定在第一卷轴上的绳索的滚筒形状。 第二卷轴具有平行于第一卷轴并与第一卷轴横向间隔开的旋转轴。 第二卷轴包括小直径卷轴部分,大直径卷轴部分和连接小直径卷轴部分和大直径卷轴部分的过渡部分。 附接到第一卷轴的绳索延伸到小直径卷轴部分和过渡部分,并且卷绕在大直径卷轴部分的槽上。 安装带卷收器在组装构件方面得到改进,即使织带的抽出量增加,也可以获得大致恒定的用于抽出织带的力。