Shorty scriber

[mklotz]

I needed an adjustable scriber that could conveniently work down close to the top of the surface plate. This design is infinitely adjustable and rock steady when locked. Adjustments are made by loosening the lock screw and turning the cylindrical piece that carries the scriber point made from drill rod.



The device disassembled... The slot turned in the cylindrical carrier serves two purposes. It prevents the cylinder from falling out when the lock screw is loosened and also prevents burrs raised by the lockscrew from restricting the adjustment of the height of the scriber.

[KB]

That's a great tool Marv, is it your original idea?

 
I liked it so much...

[ironman123]

OK Marv, that was interesting.  Thanks.

Ray

[zeeprogrammer]

Learned another thing...The bit about the groove, so it doesn't fall out, and avoiding burrs so it slides easily.

There's gems all over the place!

[mklotz]

That's a great tool Marv, is it your original idea?

You know, Kevin, I don't remember.  I made it over thirty years ago and, given that I can't remember what I had for dinner yesterday, it's all a blur.

It may have been something from Model Engineer or one of the other British mags or I may have extrapolated from something else that I saw somewhere. 

Does it matter?  There's very little in the world of tooling that is truly original if one searches deeply enough.  All that really matters is whether it's new to you.

[KB]

No, it doesn't matter. I just think it is a great idea. And I wanted to cut you in, when they go into mass production. Just kidding. (about the cutting you in part)

I thought a guy could engrave markings around the circumference and a line across the face to dial in the height. I bet Lee Valley Tools would produce it.

[mklotz]

I thought a guy could engrave markings around the circumference and a line across the face to dial in the height. I bet Lee Valley Tools would produce it.

The scale would need to be sinusoidal.  Given the trouble some folks have working with a linear scale...

But it would be something new and, if made sufficiently shiny in a selection of designer colors, it just might sell.

[KB]

The scale would need to be sinusoidal.

I was wondering about that. Manually calculating it is beyond my abilities, but I could map it out with a CAD program...

I'll let you know when the cheque is in the mail.