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I am trying to find a joint like these for a robot I'm building. It is often called a swivel joint or a universal joint, but with a modified spider. I can't find one anywhere and would prefer not to make it. Searching for 'universal joint' returns the standard automotive type. Any help would be appreciated

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  • $\begingroup$ I can't see any motion difference between them. So, what's the difference? $\endgroup$
    – mimipc
    Mar 29, 2013 at 16:37
  • $\begingroup$ Why don't you modify your design to use a joint that's readily available in stores, then? $\endgroup$
    – fgb
    Apr 4, 2013 at 0:38

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Another name is pin and block - mcmaster carr is a go to place for many different fasteners, and mechanical doo-dads

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The closest I can find are this and this: "Swivel Joint".

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