Author Topic: What is this part called?  (Read 3435 times)

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Offline Charlie1138Topic starter

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What is this part called?
« on: October 23, 2008, 08:26:24 PM »
I am designing this little mechanism and wondering what this part is called -- the part the blue threads are running in..

Is it called a threaded rail?  I tried googling that but didn't find anything..

I am also wondering if I could just use threaded stock and the threaded bolt could ride on there directly.. would that work?



« Last Edit: October 23, 2008, 08:36:35 PM by Charlie1138 »

Offline airman00

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Re: What is this part called?
« Reply #1 on: October 23, 2008, 08:42:13 PM »
its called a rack gear

usually used with pinion gear - rack and pinion gear
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Offline Charlie1138Topic starter

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Re: What is this part called?
« Reply #2 on: October 23, 2008, 08:49:44 PM »
Thanks!

can threads run in a rack gear?

I missed something in my description though.. I used that rack gear as a stock element from Google sketchup.. but I really meant for that to be threaded so a bolt could run up and down it..



Offline airman00

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Re: What is this part called?
« Reply #3 on: October 23, 2008, 08:52:46 PM »
why not do this



Thread and a nut .
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Offline Charlie1138Topic starter

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Re: What is this part called?
« Reply #4 on: October 23, 2008, 09:03:17 PM »
Oooh that's cool airman!

Do they make those pretty small?  That's my only concern.. if it would be small enough for my application.

Or do you mean without a motor.. that would work too.. very cool!

Edit:

Ohh.. shoot.. I just realized something.. there is a reason that won't work.. it would get in the way of something else.  That's why I used this weird design.




« Last Edit: October 23, 2008, 09:07:38 PM by Charlie1138 »

Offline airman00

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Re: What is this part called?
« Reply #5 on: October 23, 2008, 09:13:33 PM »
what exactly is moving linearly in your design? The rack or the screw
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Offline Charlie1138Topic starter

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Re: What is this part called?
« Reply #6 on: October 23, 2008, 09:22:55 PM »
The screw.. and it will push a "piston" into a cylinder.. but there is stuff getting in the way.. so I don't know if it will work.. maybe if I reversed that design somehow.. or altered it slightly. 

I would love for it to be motorized if it will fit and if I could do that cheap enough. Or even if I could just actuate it manually more easily, rather than having to turn the blue knob with my fingers.


« Last Edit: October 23, 2008, 09:27:42 PM by Charlie1138 »

Offline airman00

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Re: What is this part called?
« Reply #7 on: October 23, 2008, 09:27:44 PM »
so you want a tiny motor turning a pinion gear so that there is only wires coming out? and the rack is basically a track on which it should go?



Give us all teh details on your application - specs, links to parts, etc. . I can't really give a good answer with such a lack of details.
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Offline Charlie1138Topic starter

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Re: What is this part called?
« Reply #8 on: October 23, 2008, 09:36:57 PM »
I can't give all the specifications though.. that's why its so tricky.  It's top secret. :D.

The main thing I am wondering is if a threaded rod.. like the blue threaded portion above can move left or right along that path above if you have a a threaded rack rather than a gear rack like above..

OR.. let's say you remove the racks... and you just have threaded rod stock as pictured above.. can the threaded rod in the middle move along there even if the small threaded stock is a smaller stock as in the picture.

Maybe I need to make some more sketchup drawings to illustrate this better.





Offline stan

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Re: What is this part called?
« Reply #9 on: October 23, 2008, 10:24:23 PM »
CAR WINDOW MOTOR ;D
I have a brain tumor and whats your excuse?

Offline Xone G0D

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Re: What is this part called?
« Reply #10 on: October 24, 2008, 12:38:46 AM »
CAR WINDOW MOTOR ;D

^ brilliant~!!! ^ I was thinking the antena motors and mechanisms found in cars. 

Charlie, are you patenting something and thus why you cant give details away?  ;) 


..X..

Offline Charlie1138Topic starter

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Re: What is this part called?
« Reply #11 on: October 24, 2008, 01:05:56 AM »
Thanks for the idea of the windows mechanism!  I will research those.

It might be patentable.. but I don't think so... but this is a product I might try to manufacture and sell if it works well.





Offline Xone G0D

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Re: What is this part called?
« Reply #12 on: October 24, 2008, 03:39:14 AM »
As far as patents and Ideas go, this is something I learned, Charlie. 

                           Don't grip you idea too tight, you might squeeze it to death. 


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Offline Charlie1138Topic starter

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Re: What is this part called?
« Reply #13 on: October 24, 2008, 06:59:39 AM »
What about the one..

"a fool and his money are soon parted" lol  That's the one I worry about.. So are you saying to just try to sell it rather than patent it? Or are you saying not to worry about talking about it?

It looks like Airman was right, right off the bat.. I was thinking the points needed to be sharper like a bolt thread.. but it appears to just be a rack gear and a worm gear..


« Last Edit: October 24, 2008, 07:01:42 AM by Charlie1138 »

Offline autolove

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Re: What is this part called?
« Reply #14 on: October 25, 2008, 07:21:05 PM »
you invented it,maybe,you can call it charlie‘gadget!

 ;D ;D ;D

Offline Charlie1138Topic starter

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Re: What is this part called?
« Reply #15 on: October 25, 2008, 10:59:51 PM »
That's not far off actually. :D  I was going to put my name on it.. but my last name. :D  That's top secret too. hehe

Offline Admin

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Re: What is this part called?
« Reply #16 on: October 28, 2008, 02:49:12 AM »
Actually, its a worm gear ;D

 


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