Subject:
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The Claw
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 17 Feb 2000 15:25:47 GMT
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Viewed:
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737 times
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OK, having played with the RIS I got for Christmas for a couple months now,
and having read Dave's book, I've realized that I can handle the programming
of the robot with no problem, but the design of the robot is a problem for me.
I'm building a lot of projects from the book and designs I pick up off the
web, but still haven't been able to think of a way to design the thing I want
to make: The Claw.
This is like the claw in the first Toy Story movie (the scene with the little
rubber aliens). The claw is suspended from a point that can move anywhere in
the x-y plane. It can then be lowered, where it will close around an object
and lift it.
My problem is that I can't find a way to do this with fewer than four motors
(two for the x-y movement, one to lower the claw, and one to close the
pincers). Surely there's got to be a way to control the lowering of the claw
and the closing of the pincers with one motor. Does anyone know where I can
find such a design?
Thanks,
Michael
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Message has 1 Reply:
 | | Re: The Claw
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| (...) Check out my comments a few days ago about making a gearbox that drives multiple outputs, one at a time, from two motors. With some mechanical work you can easily drive four outputs (not simultaneously) with two motors. And if you use two (...) (25 years ago, 17-Feb-00, to lugnet.robotics)
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