| 摘要 |
An assembly for supporting a user in multiple positions relative to a surface, the assembly including a frame positioned on the surface, a support being movably coupled to the frame, a first connector extending from beneath the support and being movable with the support as the support moves relative to the frame, and a second connector positioned beneath the support. The first connector is movable relative to the second connector as the support moves relative to the frame, and the first connector is selectively secured to the second connector in different positions, each of the different positions corresponding to a different position of the support relative to the frame.
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