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I happened upon a similar requirement some time back and discovered that
(Technica ref http://w3.one.net/~hughesj/technica/registry/gear/gear_7.html)
Miscellaneous gears - Knob wheel 32072 are able to "mesh" like gears (ie
rotating in the same plane) providing an intermittent drive. These parts
have shown up in a number of technic sets in the last 12 months.
JB
In lugnet.technic, Rick Clark writes:
> Hello,
>
> I'm looking for a mechanical (non-robotic) solution to a technic problem I'm
> facing. (I crossposted to robotics, cause you guys think about gears all the
> time, too. Plus, you're really smart and stuff.)
>
> My input is a constantly rotating motor. What I'd like is to add a pause to a
> rotation at every 1/2 turn. That is, I'd like a wheel to turn halfway, then
> pause for a second or two, then turn the rest of the way, then pause again, then
> begin again.
>
> Alternately, it could turn halfway, pause, then turn backward halfway, then
> pause, etc.
>
> I've thought about cam gears, and about pushrods, and the like, but my mind does
> not visualize gears and such very well. Anyone got any bright ideas that could
> help me?
>
> Thanks in advance!
>
> Rick Clark
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Message is in Reply To:
 | | Mechanical tricks
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| Hello, I'm looking for a mechanical (non-robotic) solution to a technic problem I'm facing. (I crossposted to robotics, cause you guys think about gears all the time, too. Plus, you're really smart and stuff.) My input is a constantly rotating (...) (23 years ago, 2-Nov-01, to lugnet.technic, lugnet.robotics)
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