用于免手提升马桶座圈，通过脚踏操作。
专利摘要
座椅提升器用于提升马桶座圈。座椅提升器包括脚踏板、缆线、滑轮、底座、弹簧铰链、提升臂、缆线块和配重。铰链利用其安装硬件将底座压在马桶上。整个机构通过马桶便器中的马桶座圈安装孔固定到马桶上。除非踩下脚踏板，否则座圈始终处于放下位置。一旦踩下脚踏板，缆线被拉动抵靠缆线块，然后小直径滑轮在销接到大直径滑轮的轴上旋转（该滑轮组件称为减速卷轴，因为脚踏板的小运动即可产生足够大的运动以将座圈提升到适当高度）。然后大滑轮拉动更长的缆线，该缆线拉动安装到带有配重的提升臂上的缆线块，从而将臂向下拉，进而移动附接到座圈的弹簧铰链。座圈现在处于提升位置。要将座圈返回放下位置，只需释放踏板。
Original abstractThe seat lifter is for lifting a toilet seat. The seat lifter includes a foot pedal, cables, pulleys, a base, spring hinge, lifting arm, cable blocks, and a counter weight. The hinge holds the base down on to the toilet with its mounting hardware. The whole mechanism is held to the toilet by the toilet seat mounting holes in the toilet bowl. The seat is always in the down position until the foot pedal is depressed. Once the foot pedal is depressed a cable is pulled against the cable block then a small diameter pulley is rotated on a shaft that is pinned to a larger diameter pulley (this pulley assembly is called a reduction spool because it takes a small movement of the foot pedal to make a large enough movement to raise the seat to the proper height). The larger pulley then pulls a longer cable, that pulls a cable block mounted to a lifting arm with a counter weight, which pulls the arm down, that in turn moves a spring hinge attached to the seat. The seat is now in the lifted position. To return the seat to the down position simply release the pedal.
专利附图（8）
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