• Kitathalla@lemy.lol
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      10 days ago

      Slight myth there. It was not the intended purpose, but a sort of happy accident. The original patent stated it was a perfect, never damaging thing. See here and the reply here.

      • evergreen@lemmy.world
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        10 days ago

        Correct. The original patent makes no reference to any sort of cam out / torque limiting feature.