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    • 9. 发明申请
    • Hub Construction for a Rotatable Chair
    • 可旋转椅的轮毂结构
    • US20160316913A1
    • 2016-11-03
    • US15141862
    • 2016-04-29
    • Fredrik Kjellman
    • Fredrik Kjellman
    • A47C3/18F16B12/52
    • A47C3/18A47C7/004F16B12/52F16C17/10F16C33/121F16C2202/04F16C2314/73
    • The invention relates to a hub construction for a rotatable chair, whereby an uncomplicated and robust plain bearing design is provided. The plain bearing parts are manufactured of metal in such a way that the bearing surface on the underlying pin is softer than that of the overlying sleeve. A plain bearing according to the invention may be provided with an adjustable device for obtaining higher friction and thus an increased rotational resistance. In the upper part of the pin is arranged a horizontal bore, into which is fitted a plug shaped body, the ends of which extend outside the mouths of the bore in the bearing surface as an adjusting screw in the upper end of the pin is tightened against the middle section of the plug-shaped body.
    • 本发明涉及一种用于可旋转椅子的轮毂结构,由此提供了一种简单而坚固的滑动轴承设计。 滑动轴承部件由金属制成,使得下面的销上的支承表面比上覆套筒的支承表面更柔软。 根据本发明的滑动轴承可以设置有用于获得更高摩擦并因此增加的旋转阻力的可调节装置。 在销的上部布置有水平孔,其中装有栓塞形体,其端部在销的上端中的调节螺钉被拧紧时,其端部延伸到轴承表面中的孔的口外部 针对插塞状体的中间部分。
    • 10. 发明授权
    • Rotary elbow with double shaft
    • 带双轴的旋转肘
    • US08496295B2
    • 2013-07-30
    • US12954674
    • 2010-11-25
    • Chao-Ken Chen
    • Chao-Ken Chen
    • A47C7/54
    • A47C1/03B60N2/773B60N2/777F16C19/10F16C2314/73
    • A chair elbow capable of rotating with double shaft is disclosed. Two bearings are disposed on a mount board fixed on a chair. Each of the bearings connects one end of each of two rotating plates, while the other ends thereof are pivotally connected in a linear slot of a seat plate used for securing an armrest. The length of the slot is longer than the distance between the two bearings, and the latter is longer than the length of the rotating plates. Thus, the armrest on the seat plate can rotate against the mount board with 360 degrees and move forward and backward.
    • 公开了能够用双轴旋转的椅子弯头。 两个轴承设置在固定在椅子上的安装板上。 每个轴承连接两个旋转板中的每一个的一端,而其另一端枢转地连接在用于固定扶手的座板的线性槽中。 槽的长度比两个轴承之间的距离长,后者长于旋转板的长度。 因此,座板上的扶手可以360度旋转抵靠安装板,并向前后移动。