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Re: Monson's Full Auto Scanner Build #5

Posted: 11 Apr 2013, 14:44
by jck57
Thanks, M@rtijn. I mocked up a counter-weight as you suggested. It works well but of course the problem is how to make it fit the space available. Ideas are welcome.
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Re: Monson's Full Auto Scanner Build #5

Posted: 11 Apr 2013, 16:15
by M@rtijn
Great!!

I don't know the solution yet, but it has the sense of the picture I have enclosed. What do you think?
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Re: Monson's Full Auto Scanner Build #5

Posted: 11 Apr 2013, 20:13
by jck57
Thanks for the ideas, M@rtijn. Here's another:
swingweight.jpeg

Re: Monson's Full Auto Scanner Build #5

Posted: 11 Apr 2013, 21:12
by dpc
This has been fascinating to watch this design evolve.

At the other extreme, there was a guy that managed to deal with the self-centering problem by simply throwing a slab of polyurethane foam under the book and the platen wedging down into the book's gutter would take care of the rest. I never tried that, but I suppose it would work.

Re: Monson's Full Auto Scanner Build #5

Posted: 12 Apr 2013, 02:30
by M@rtijn
A counterbalance idea
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Re: Monson's Full Auto Scanner Build #5

Posted: 12 Apr 2013, 04:06
by M@rtijn
A compound bow has some interesting ideas.
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Re: Monson's Full Auto Scanner Build #5

Posted: 16 Oct 2013, 15:49
by jck57
Cradle mod puts book thickness adjustment on front. Still need to make spring pull adjuster. My original design can be used by anyone.


Re: Monson's Full Auto Scanner Build #5

Posted: 18 Oct 2013, 13:33
by jck57
Bass guitar machine head with casement window crank used for spring adjuster.
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Re: Monson's Full Auto Scanner Build #5

Posted: 24 Oct 2013, 10:15
by daniel_reetz
That is a 5-star 4-bar linkage. Damn!!

Re: Monson's Full Auto Scanner Build #5

Posted: 25 Oct 2013, 19:12
by abmartin
I love to see music hardware repurposed! It's generally of a very high build quality, designed to survive roadies, transportation, and temper tantrums. Even after Keith Moon placed the explosives in his drum kits, the stands and other hardware always seemed to survive.... The machine head is just the perfect thing for that with the subtle variations it offers.

I especially love the use of the larger handle. I'd have been stuck with the original and used a string winder, which is far less elegant.

Jck57's posts remain as inspiring as ever!