MAKE Flickr photo pool member Ocellnuri writes – “The actual claw part is completed. Today I need to put together the arm and the handle. I’m planning on doing it all with wooden pegs as fasteners. The mechanics are simple, but took some work to figure out. The gears were cut by hand with a band saw. I modeled them in Solidworks and then glued printouts of the gear profiles to the wood to show me where to cut. They are modeled after involute gears, which mesh perfectly at all moments in the rotation. The rubber bands return the claw to the open position when you are not pulling on the string.” – Link.
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