Daniel Reetz, the founder of the DIY Book Scanner community, has recently started making videos of prototyping and shop tips. If you are tinkering with a book scanner (or any other project) in your home shop, these tips will come in handy. https://www.youtube.com/channel/UCn0gq8 ... g_8K1nfInQ

Origami Scanner- a folding book scanner

Built a scanner? Started to build a scanner? Record your progress here. Doesn't need to be a whole scanner - triggers and other parts are fine. Commercial scanners are fine too.
User avatar
ceeann1
Posts: 106
Joined: 17 Nov 2010, 20:00
E-book readers owned: Several Palm PDA's
Number of books owned: 700
Location: Albuquerque, New Mexico
Contact:

Origami Scanner- a folding book scanner

Post by ceeann1 » 03 Dec 2010, 23:24

Origami Scanner- a folding book scanner

I thought I would open this topic. I am posting overmuch in the," Input on the best way to build a portable scanner" thread on what I would build. I don't think that was the intention of the thread... in hindsite of course. Sorry about that o3h1p. So I will start this thread and move much of the information here or restate it here.

Please feel free to suggest or argue what you think would work best in this sort of a scanner. The drawings will express what I am thinking of in the best way I can present those thoughts. To start that process... I will restate what I first said in the other thread:

I have been doodling with the idea of making a folding scanner. The ideas are very rough. In gerneral I am working from the idea of a box that folds in on itself. Much like a cardboard box with no top can be cut at the corners and then be made to fold in on the bottom (assuming for a moment the box is of such dimentions that the sides are no deeper than the bottom is wide). If one takes the open box and sets it on the shortest side with the open end facing out, that is the basic model of the scanner scaffold or carcase(nothing new really). The cradle would be made as minimally as possible in the bottom side of the box using slides to allow side to side movement. Much like the new standard scanner. The angled book rack/ cradle would not be permanently set but rather fold flat by making its support struts fold along side the primary rack (no triangles underneath of it). The platen on the sliding rear upright would fold in the opposite way from Danial R.s' 3rd gen platen so that it might fold flat while still attached to the upright. A set of telescoping supports would hold it either flat or in its 90 degree functional form. A hinge at the upright suport to the telescoping supports would allow the flat platen to fold up flat on the back of the "box". Once everthing is collapsed flat the "box" then folds flat. The lighting would be placed on the top and the cameras on the sides in the completed scanner. Cameras to be removed as folding is needed. I believe the whole will fold into a sort of flat portfolio or suitcase. This is a very rough description and I will post 3 dimensional drawings asap. I have started calling this the origami scanner.

User avatar
ceeann1
Posts: 106
Joined: 17 Nov 2010, 20:00
E-book readers owned: Several Palm PDA's
Number of books owned: 700
Location: Albuquerque, New Mexico
Contact:

Re: Origami Scanner- a folding book scanner

Post by ceeann1 » 03 Dec 2010, 23:27

This first picture is how I first imagined a carcase for a book scanner with side and back supports.
Carcase front.jpg
Carcase front.jpg (82.84 KiB) Viewed 8831 times
I imagined a light system of some type attached to the top. Perhaps an led system that lends itself to flatness.

User avatar
ceeann1
Posts: 106
Joined: 17 Nov 2010, 20:00
E-book readers owned: Several Palm PDA's
Number of books owned: 700
Location: Albuquerque, New Mexico
Contact:

Re: Origami Scanner- a folding book scanner

Post by ceeann1 » 03 Dec 2010, 23:32

This picture shows a slighly more advanced version of the carcase in its folding configuration, but without a platen. The view is from the back looking down to the front. The picture is labled to orient the view.
Inside Back.jpg
Inside Back.jpg (156.38 KiB) Viewed 8830 times
It also has a numbering to show how it might fold up.

User avatar
ceeann1
Posts: 106
Joined: 17 Nov 2010, 20:00
E-book readers owned: Several Palm PDA's
Number of books owned: 700
Location: Albuquerque, New Mexico
Contact:

Re: Origami Scanner- a folding book scanner

Post by ceeann1 » 03 Dec 2010, 23:35

This picture shows the cradle from the front and some of the side is missing. I believe the drawing needs modified to allow the bottom to move more.
cradle front.jpg
cradle front.jpg (105.46 KiB) Viewed 8829 times
The supports, if you look very closely, will detach and the cradle should fold flat. This will require more space horizontally than is shown. The thumbscrew allows the book width to be adjusted. The attachment points where the the cradle flattens are a type of knife hinge. A permanent attachment point hinge. Where the supports are allowed to detach I would use an aircraft type nut plate that is riveted to the supports. A bolt would hold things fast when not being moved around.

User avatar
ceeann1
Posts: 106
Joined: 17 Nov 2010, 20:00
E-book readers owned: Several Palm PDA's
Number of books owned: 700
Location: Albuquerque, New Mexico
Contact:

Re: Origami Scanner- a folding book scanner

Post by ceeann1 » 03 Dec 2010, 23:38

This is the platen as I imagine it will fold. the dark things on the bottom are hinges. I do not intend it to fold all the way around, just to flatten. The clear material will probably be lextan and will no doubt need a cover on it for when it is folded.
Platen.jpg
Platen.jpg (28.09 KiB) Viewed 8828 times

User avatar
daniel_reetz
Posts: 2785
Joined: 03 Jun 2009, 13:56
E-book readers owned: Used to have a PRS-500
Number of books owned: 600
Country: United States
Contact:

Re: Origami Scanner- a folding book scanner

Post by daniel_reetz » 03 Dec 2010, 23:40

I really like this flat platen idea... I think it's a really nice take on the folding platen concept. And it's simple to make, with a hinge there, it makes good sense.

User avatar
ceeann1
Posts: 106
Joined: 17 Nov 2010, 20:00
E-book readers owned: Several Palm PDA's
Number of books owned: 700
Location: Albuquerque, New Mexico
Contact:

Re: Origami Scanner- a folding book scanner

Post by ceeann1 » 03 Dec 2010, 23:40

This is the platen in its full suspended form, at this moment, with front and back articulations to allow it to flatten. I believe this will need a support of some sort on the tip of the V to keep it from sagging. It can not be much because it must not interfere with the folding.
Suspended Platen.jpg
Suspended Platen.jpg (232.42 KiB) Viewed 8827 times

User avatar
ceeann1
Posts: 106
Joined: 17 Nov 2010, 20:00
E-book readers owned: Several Palm PDA's
Number of books owned: 700
Location: Albuquerque, New Mexico
Contact:

Re: Origami Scanner- a folding book scanner

Post by ceeann1 » 03 Dec 2010, 23:42

This is a couple of views of the front articulation of the platen. These could be cast of aluminum or more simply made in a slightly different form from sliding channel and bolts.
Front Articulation.jpg
Front Articulation.jpg (67.89 KiB) Viewed 8824 times

User avatar
ceeann1
Posts: 106
Joined: 17 Nov 2010, 20:00
E-book readers owned: Several Palm PDA's
Number of books owned: 700
Location: Albuquerque, New Mexico
Contact:

Re: Origami Scanner- a folding book scanner

Post by ceeann1 » 03 Dec 2010, 23:44

This is a picture of the rear articulation of the platen. It is really the key to getting the platen to fold. The next image will show this in more detail.
Attachments
Rear Articulation.jpg
Rear Articulation.jpg (174.41 KiB) Viewed 8824 times

User avatar
ceeann1
Posts: 106
Joined: 17 Nov 2010, 20:00
E-book readers owned: Several Palm PDA's
Number of books owned: 700
Location: Albuquerque, New Mexico
Contact:

Re: Origami Scanner- a folding book scanner

Post by ceeann1 » 03 Dec 2010, 23:47

This is an exploded view of the rear articulation of the platen. It has sleeves that the bolts fit in to allow this to slide. All the sleeves are through and through and are only fit to slide in the elongated channels.
Rear Articulation Exploded.jpg
Rear Articulation Exploded.jpg (103.12 KiB) Viewed 8824 times

Post Reply