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    • 8. 发明授权
    • Adjustable armrest device
    • 可调式扶手装置
    • US08777317B2
    • 2014-07-15
    • US12521356
    • 2007-12-04
    • Makoto SaitoTakashi MorimotoKen SuzukiToshikazu NumazawaHideko Kitamura
    • Makoto SaitoTakashi MorimotoYoshiharu KitamuraKen SuzukiToshikazu Numazawa
    • B60N2/46
    • B60N2/767
    • An armrest device including a stationary shaft 2, fixed to a seat frame, an armrest body 7 in which the stationary shaft 2 is inserted and which is rotatable, a lock spring 3 made of a coil spring tightly wound around the stationary shaft 2, with one end of the coil spring serving as a stationary-side hook 3a locked to the armrest body 7, and the other end of the coil spring serving as a free-side hook 3b A hook-supporting part 12 that supports the free-side hook 3b such that the free-side hook 3b is raised in the axial direction of the stationary shaft 2, a hook-fitting part 13 that enlarges the diameter of the lock spring 3 by dropping the free-side hook 3b on the hook-supporting part 12 downward in the axial direction of the stationary shaft 2, a plate 11 for a hook, where the plate 11 projects from the armrest body 7, and a cam member 5 on the stationary shaft 2. The cam member 5 having (1) an unlocking cam part 5b for unlocking the lock spring 3 by dropping the free-side hook 3b from the hook-supporting part 12 into the hook-fitting part 13 when the armrest body 7 is rotated in the armrest-accommodating direction, and (2) a relocking cam part 5c for locking the lock spring 3 by raising the free-side hook 3b from the hook-fitting part 13 and supporting it by the hook-supporting part 12 when the armrest body 7 is rotated in the armrest-use direction.
    • 一种扶手装置,包括固定在座椅框架上的固定轴2,固定轴2插入其中并且可旋转的扶手本体7,由固定轴2紧密缠绕的螺旋弹簧制成的锁定弹簧3, 用作固定侧钩3a的螺旋弹簧的一端,锁定在扶手本体7上,螺旋弹簧的另一端用作自由侧钩3b。支撑自由侧钩的钩支撑部12 3b,使得自由侧钩3b沿着固定轴2的轴向方向升高;钩配合部13,其通过将自由侧钩3b落在钩支撑部上而扩大锁定弹簧3的直径 12在固定轴2的轴向方向上向下,用于钩的板11,其中板11从扶手主体7突出,以及在固定轴2上的凸轮构件5.凸轮构件5具有(1) 解锁凸轮部5b,用于通过使自由侧钩3bf落下来解锁锁定弹簧3 当扶手本体7在扶手收纳方向上转动时,将钩支撑部分12钩入钩配件13,和(2)用于通过提升自由侧钩来锁定锁弹簧3的重锁凸轮部分5c 3b,并且当扶手本体7在扶手使用方向上旋转时,由钩部件13支撑并由钩支撑部件12支撑。