Self Centering Locking mechanism
grabcad
A self-centering locking mechanism I designed features a central disk that, when turned, causes the four arms to move due to their linear sliders. This action pulls all sliders inwards simultaneously, thus centering any object placed upon it. A similar design is employed in the self-expanding round table (https://www.youtube.com/watch?v=Epv2AYSrEhc).
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