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Four Bar Linkage Prototype

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The four bar linkage is a simple mechanism with a whole variety of interesting uses. I'm working on a project that uses a four bar linkage to power a hammer wielding robot. A similar layout was originally shown on this mechanism page. I am provisionally calling it, The Hammer Bot.

The two vertical linkages, two and three, are roughly the same length. Linkage four is a lot shorter that the fixed linkage, linkage one, so as the mechanism moves the arm linkage (one) rotates and with it, the arms and hammer are rotated downwards. 


I have put together a fairly two dimensional  version of the mechanism to see how the linkage will work. Looking good, I think you'll agree.

Next step is to give everything depth, a 3D head and hammer and a solid body, after which I'll be deciding whether to drive the mechanism with a crank and handle or a push button.

 

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Comments(4)

Smelter

I like the name.

Forge ahead Rob.

:-) - RI

cool022883

maybe you could make it  a caveman with a club so it can battle the mighty t-rex to see who can rule the wonderful world of paper =)

Tee hee, that might be fun :-) - RI

umehta

Or maybe an ostrich?

JohnW

I would of have loved playing with this prototype. Too bad it wasn't made into a download.

The Hammer Robot was a fun model to build and chase the grandchildren around the house. Now they grab it and chase me around the house whenever they're here!

 

Take Care,

JohnW

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