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    • 3. 发明申请
    • BELT TENSION INDICATOR
    • 皮带张力指示器
    • WO2005058635A1
    • 2005-06-30
    • PCT/GB2004/005329
    • 2004-12-17
    • BRITAX EXCELSIOR LIMITEDBRITAX ROMER KINDERSICHERHEIT GMBHLANG, Heinz-JurgenWETTER, HermannCARINE, Shaun
    • LANG, Heinz-JurgenWETTER, HermannCARINE, Shaun
    • B60N2/28
    • B60N2/2809B60N2/2806B60N2002/2815B60R22/28B60R22/48B60R2022/286B60R2022/287B60R2022/4841
    • A tension detector has a flexible strap (350) having its end stitched into a loop (352) that wraps round a central shaft (354). A U-shaped one-piece coil spring has two coiled end portions (356) and (358) wrapped round the shaft (354). The end portions (356) and (358) are inter-connected by a central stirrup (360). A tether strap (316) has a loop (362) sewn into its end which engages round the stirrup (360). The ends of the shaft (354) are journalled in side walls of a housing (366). Each side wall has an inwardly direct abutment projection (368). The upper surface of the housing (366) includes a window (370) through which an arcuate indicator (372) is visible. The indicator (372) has side legs (374) and (376) that are slidably mounted on the stirrup (360). When the strap (316) is relaxed, the left hand end of the arcuate indicator (372) is visible through the window (370). When the strap (316) is tightened, the arcuate indicator (372) pivots to the position shown in Figure 11 in which its right hand end, which is of a different colour to its left hand end, is visible through the window (370), indicating that the strap (316) has been tightened adequately. In the event of a crash, the coiled end portions (356) and (358) of the spring over-ride the abutment projections (368) and partially unwrap from the shaft (354) so that an extended stirrup portion (360) projects from the housing (366).
    • 张力检测器具有柔性带(350),其具有端部缝合成环绕中心轴(354)的环(352)。 U形一体式螺旋弹簧具有缠绕在轴(354)上的两个螺旋端部(356)和(358)。 端部(356)和(358)通过中心箍筋(360)相互连接。 绳带(316)具有缝合到其末端的环(362),其围绕马镫(360)接合。 轴(354)的端部被轴颈安装在壳体(366)的侧壁中。 每个侧壁具有向内直接的邻接突起(368)。 壳体(366)的上表面包括窗口(370),弧形指示器(372)可以通过该窗口可见。 指示器(372)具有可滑动地安装在马镫(360)上的侧腿(374)和(376)。 当带(316)松弛时,弓形指示器(372)的左手端通过窗口(370)可见。 当带(316)被紧固时,弓形指示器(372)枢转到图11所示的位置,其中与其左手端具有不同颜色的右手端通过窗口(370)可见, ,表示带(316)已经被充分地拧紧。 在碰撞的情况下,弹簧的螺旋端部(356)和(358)超过邻接突起(368)并且部分地从轴(354)展开,使得延伸的箍筋部分(360)从 壳体(366)。