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    • 1. 发明授权
    • Chair with a seat that returns to a predetermined height and angular
rest position when unoccupied
    • 带座椅的座椅在空闲时返回到预定高度和角度静止位置
    • US5806828A
    • 1998-09-15
    • US691979
    • 1996-08-02
    • Wolfgang RotheKlaus KochMichael HewelOliver Schuttler
    • Wolfgang RotheKlaus KochMichael HewelOliver Schuttler
    • A47C3/30F16F9/00F16M11/28F16M13/00
    • A47C3/18A47C3/185A47C3/30F16M11/18F16M11/28F16M2200/028
    • Height adjustable object carrier column for use as a chair column of a revolving chair. The head area of the chair is moved back to a rest height and angular orientation with respect to the foot area of the chair upon relief of the chair load. The head area can be adjusted with respect to the foot area, by height adjustment apparatus, to different rest heights. Height adjustment is provided in the form of a hydraulic or a hydropneumatic or a spring-hydraulic or a pneumatic actuator with a cylinder assembly and a piston rod assembly which are coaxial to a telescope axis. The height adjustment apparatus includes internal biasing structure and first arbitrarily adjustable and second automatic blocking devices, whereby following a reduction of the load on the object carrier column, the second blocking device is released, and the height adjustment apparatus is moved toward a specified limit position, and the stop moves the object carrier column into the specified rest angular orientation.
    • 高度可调对象载体柱,用作旋转椅的椅子列。 椅子的头部区域在松开椅子的负载时,相对于椅子的脚部区域移动回休息高度和角度方向。 头部区域可以通过高度调节装置相对于脚部区域调节到不同的休息高度。 以液压或液压气动或弹簧液压或气动致动器的形式提供高度调节器,其具有与望远镜轴线同轴的气缸组件和活塞杆组件。 高度调节装置包括内部偏置结构和第一可任意调整的第二自动阻挡装置,由此在物体载体列上的负载减小之后,第二阻挡装置被释放,并且高度调节装置朝向指定的极限位置 ,并且停止将对象载体列移动到指定的静止角度方向。
    • 2. 发明授权
    • Blockable piston-cylinder unit
    • 可封闭的活塞缸单元
    • US06179100B2
    • 2001-01-30
    • US09124443
    • 1998-07-29
    • Rolf MintgenWolfgang RotheDirk RenneckeAndreas RitterMarco Gehlen
    • Rolf MintgenWolfgang RotheDirk RenneckeAndreas RitterMarco Gehlen
    • F16F934
    • E05C17/305F16F9/3405F16F9/5126F16F9/56
    • A piston-cylinder unit, comprising a cylinder which is subdivided by a piston on a piston rod into two working chambers. Between the two working chambers, there is a fluid connection which can be blocked by means of a valve arrangement having at least two individual closing valves arranged in series, each with a valve inflow side and a valve outflow side. The valves open sequentially. In the flow path between the individual valves, there is a throttle arrangement which produces a pressure reduction between the valve outflow side of the first closing valve towards the valve inflow side of the following closing valve. As the opening of the first closing valve increases, the effect of the throttle arrangement decreases; to the same extent, the pressurization increases on the valve inflow side of the following closing valve. The valve arrangement features two flow-through directions and is made so that each can be blocked.
    • 一种活塞缸单元,包括一个由活塞杆上的活塞细分成两个工作室的缸体。 在两个工作室之间,存在流体连接,其可以通过具有至少两个串联布置的各个关闭阀的阀装置来阻塞,每个具有阀流入侧和阀流出侧。 阀门依次打开。 在各个阀之间的流路中,存在节流装置,其在第一关闭阀的阀出口侧朝向下一关闭阀的阀流入侧产生压力降低。 当第一关闭阀的开度增加时,节流装置的作用减小; 在相同的程度上,在随后的关闭阀的阀流入侧的加压增加。 阀装置具有两个流通方向,并且被制成使得每个可以被阻塞。