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    • 94. 发明公开
    • Synchrotilt chair with adjustable seat, back and energy mechanism
    • 同步网络服务器和服务器Rückenlehne
    • EP1384424A2
    • 2004-01-28
    • EP03078408.6
    • 1998-10-19
    • Steelcase Inc.
    • The designation of the inventor has not yet been filed
    • A47C3/00A47C1/032A47C7/46
    • A47C1/023A47C1/03233A47C1/03238A47C1/03255A47C1/03272A47C7/14A47C7/24A47C7/46Y10S297/02
    • A chair is provided having a base assembly including a base frame, a back frame pivoted to the base frame for movement between upright and reclined positions, and a seat slidably supported on the base frame and pivoted to the back frame so that the seat moves forwardly and its rear moves forwardly and downwardly with the back frame upon recline. A flexible back is connected to the back frame at top and bottom locations and is provided with lumbar adjustment for improved lumbar force/support and shape. A seat is provided with seat depth adjustment and with active and passive thigh flex support. A novel energy mechanism is provided that includes a transverse spring, a lever and a movement arm shift adjuster for adjusting the spring tension on the back frame. The moment arm shift adjuster is readily adjustable and includes an overtorque device to prevent damage to components of the energy mechanism.
    • 提供了一种椅子(20),其具有基座组件(21),该基座组件(21)包括底座框架,后框架(30),其枢转到基座框架,用于在直立和倾斜位置之间移动;以及座椅(24),其可滑动地支撑在基架 并且枢转到后框架,使得座椅向前移动,并且其后部在倾斜时用后框架向前和向下移动。 柔性背部连接到顶部和底部位置的后框架,并提供腰椎调节以改善腰部力/支撑和形状。 座椅配有座椅深度调节,主动和被动大腿弯曲支撑。 提供了一种新颖的能量机构(27),其包括用于调节后框架上的弹簧张力的横向弹簧(28),杠杆(54)和移动臂移动调节器(29)。 力矩臂移动调节器易于调节,并且包括过转矩装置,以防止损坏能量机构的部件。