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Help with name for a type of bolt

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Forum topic by woodguy1980 posted 02-02-2016 01:24 PM 920 views 0 times favorited 17 replies Add to Favorites Watch
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woodguy1980

6 posts in 307 days


02-02-2016 01:24 PM

Hi everyone,

I’m working on a project that is using a bolt that is screwed/unscrewed to adjust a part horizontally. The spacing is fairly tight and adjustments would be much easier if I had a turn knob that was above the screw. If you look at the symbols below, the 3 + signs would be the knob. If you’re looking down on the knob from above, it should turn clockwise to tighten the bolt and counter-clockwise to loosen the bolt.

I’ve tried searching online but can’t seem to find anything that would work. Does anyone out there know the name of this type of bolt/setup and where I could buy some?

+++ (knob)
|=========== (bolt)

Thanks


17 replies so far

View bondogaposis's profile

bondogaposis

4026 posts in 1813 days


#1 posted 02-02-2016 01:29 PM

Huh, from your description I have no idea what you are talking about.

-- Bondo Gaposis

View MrUnix's profile

MrUnix

4218 posts in 1661 days


#2 posted 02-02-2016 01:29 PM

Thumbscrew?

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

View TheWoodRaccoon's profile

TheWoodRaccoon

364 posts in 392 days


#3 posted 02-02-2016 01:43 PM

I’m pretty sure you mean a “hand wheel” or “crank”, right?

-- still trying to think of a clever signature......

View HokieKen's profile

HokieKen

1749 posts in 601 days


#4 posted 02-02-2016 06:08 PM

From the description, I think the OP wants a knob that is at a right angle to the bolt. If that’s the case, I don’t know of a simple solution. Bevel gears of some sort but how to mount/mate them could be tricky if you’ve got limited space.

-- Kenny, SW VA, Go Hokies!!!

View MadMark's profile

MadMark

977 posts in 915 days


#5 posted 02-02-2016 06:22 PM

Worm gear

Link

M

-- Madmark - Madmark2150@yahoo.com Wiretreefarm.com

View Bill White's profile

Bill White

4450 posts in 3423 days


#6 posted 02-02-2016 07:03 PM

Now let’s see…......
I don’t see.
No help here without a pic of some sort.
Bill

-- bill@magraphics.us

View KentInOttawa's profile

KentInOttawa

57 posts in 1258 days


#7 posted 02-02-2016 07:08 PM

Check out Matthias Wendal’s page on making right angle gears. Between the video and the text, you should have a starting point for your mod.

-- Natasha: You got plan dollink? Boris: I always got plan! They don't ever work, but I always got one. (http://bullwinkle.toonzone.net/rbplan.wav)

View Rick M's profile

Rick M

7910 posts in 1842 days


#8 posted 02-02-2016 09:17 PM

┏━━┓
┗━┓┃
╋┏┏┛
╋┣┫
╋┗┛

-- http://thewoodknack.blogspot.com/

View oldnovice's profile

oldnovice

5723 posts in 2830 days


#9 posted 02-03-2016 12:25 AM

Does this project of mine help?

-- "I never met a board I didn't like!"

View bandit571's profile

bandit571

14561 posts in 2145 days


#10 posted 02-03-2016 12:29 AM

Picked these bolts up today..

-- A Planer? I'M the planer, this is what I use

View Pointer's profile

Pointer

369 posts in 573 days


#11 posted 02-03-2016 01:42 AM

If I’m hearin’ what you’re sayin’, I think MadMark’s post is the closest thing to what you are talking about.

-- Joe - - Laughter is like a windshied wiper, it doesn't stop the rain but allows us to keep going.

View distrbd's profile

distrbd

2227 posts in 1909 days


#12 posted 02-03-2016 02:22 AM

could it be something like a drill depth collar or shaft collar?

Or mirror arm extender screw:

-- Ken from Ontario, Canada

View 716's profile

716

502 posts in 379 days


#13 posted 02-03-2016 02:45 AM

?

-- It's nice!

View 716's profile

716

502 posts in 379 days


#14 posted 02-03-2016 02:51 AM

Oh I got it ! It is a guitar tuner. Right ?

-- It's nice!

View woodguy1980's profile

woodguy1980

6 posts in 307 days


#15 posted 02-03-2016 05:43 AM

Sorry about the unclear description. I guess I should have drawn a quick sketch in paint. However, with my drawing skills, it may have caused even more confusion.

MadMark and 716 are spot on with what I was referring to. In fact, a guitar tuner with some slight modifications may be the ticket. The bolt I’m using is relatively small (6-32) so I think the size of a guitar tuner would be a good starting point.

Aside from searching for guitar tuners, would the technical name for this be a worm gear? Just trying to determine the best way to search for different sizes.

Thanks again everyone!

showing 1 through 15 of 17 replies

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