Newsgroups: comp.robotics
Path: brunix!uunet!cs.utexas.edu!sun-barr!ames!news.dfrf.nasa.gov!gilligan.dfrf.nasa.gov!disbrow
From: disbrow@gilligan.dfrf.nasa.gov (Jim Disbrow)
Subject: Re: Wires thru joints
Message-ID: <1992Jul8.141709.15043@news.dfrf.nasa.gov>
Sender: news@news.dfrf.nasa.gov (Usenet news)
Reply-To: disbrow@skipper.dfrf.nasa.gov
Organization: NASA Ames-Dryden FRF, Edwards, CA
References:  <RENE.92Jul7152405@wizard.cadence.com>
Distribution: comp
Date: Wed, 8 Jul 1992 14:17:09 GMT
Lines: 31

In article <RENE.92Jul7152405@wizard.cadence.com>, rene@cadence.com (Rene Churchill; x6266) writes:
|> 
|> Do any of you folks know if some bright soul has solved the problem of
|> running multiple wires thru a joint?  I'm not sure if this is the best
|> description of the problem, so here's an example:
|> 
|> If you create a robot arm which has a camera and "fingers" on the
|> hand, and the controlling electronics are in the "body."  What I'd
|> like to do is to allow the hand to make an infinite number of
|> rotations, either clockwise, or counter, without having to rotate in
|> the opposite direction to "unwind" the wires.
|> 
|> I can't think of a way to do this, but I'm hoping somebody else has
|> solved this one.  Please let me know if anybody has a solution.

Rene,
If you really want to rotate past 2*pi, it seems like slip rings would
be the way to go.

-- 
Jim Disbrow

work: 805/258-3417
home: 805/948-1363

internet:  disbrow@skipper.dfrf.nasa.gov

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