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热词
    • 4. 发明授权
    • Method for holding an object to a surface using valve controlled vacuum
force
    • 使用阀控真空力将物体保持在表面上的方法
    • US5177857A
    • 1993-01-12
    • US734638
    • 1991-07-23
    • Hirotsugu Ito
    • Hirotsugu Ito
    • B25B11/00
    • B25B11/005Y10T29/49998
    • A technique of holding an object, wherein an object (10) to be held is placed on a holding surface (3) having a plurality of suction holes (4), each of which has a valve (6) therein which is operated in accordance with the difference between the pressure in the upper or outer space and the pressure in the lower or inner space demarcated by the valve (6). The valve (6) is opened by utilizing the phenomena that such pressure difference in those suction holes (4) closed by the object (10) becomes smaller, whereas the valves (6) are closed by utilizing the phenomena that such pressure difference in those suction holes (4) which are not closed by the object (10) and remain open becomes greater, to thereby prevent reduction of the suction force to be exerted on the object (10).
    • 一种保持物体的技术,其中要保持的物体(10)被放置在具有多个吸入孔(4)的保持表面(3)上,每个吸入孔具有根据其操作的阀(6) 其中上部或外部空间中的压力与由阀(6)划分的下部或内部空间中的压力之间的差异。 通过利用由物体(10)关闭的那些吸入孔(4)中的这种压力差变小的现象来打开阀(6),而阀(6)通过利用这些压力差 未被物体(10)闭合并保持打开的吸入孔(4)变大,从而防止施加在物体(10)上的吸力减小。