Wood latch for case? - Router Forums
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post #1 of 25 (permalink) Old 07-19-2014, 09:19 PM Thread Starter
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Default Wood latch for case?

Many of my projects I do not put metal in, no nails, no screws, just glue or locking joints used. I want to make a case, well several actually, and do not want to use any metal in them. Hinges, no prob, pretty much got those figured out. The cases will be laid flat, unlatched, and the top lifted. What I need is a latch, that will hold them closed, keep them closed until intentionally opened, and all wood.

Yeah, yeah, I know, I could get metal latches, and be done with it. If that's what I wanted, I would have already done it, and not be asking. I've done a ton of image searches on-line, come up with a lot of door latch designs, but little on case latches. Been doing heaps of thinking on it, and came up with a whole lot of Rube Goldbergl-ish designs, I didn't care for. Did come up with a lot of workable latches, but they all involved a part that was not intregal with the latch, and would eventually misplaced or lost, unless it was fastened on with a cord. Don'tt want that. Want something that any moveable parts are part of the whole, and can't get lost. So far, this is the best I've found, alho did come up with a similar idea on the same lines well before I ran across this. Wooden Urn Box Latch Mechanism - YouTube

So, anyone got any workable ideas on the subject? I prefer no metal in my projects because I sometimes recycle them, and don't want to hit any metal with my saw or planer, especially the planer, glue all the way.
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post #2 of 25 (permalink) Old 07-19-2014, 10:55 PM
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Tell us more about the size, weight, or forces that would be affecting the lids. I think I have an idea that might work but not sure if it is suitable for your project. If the box (?) is small you would only need one, if long or large maybe two. I'll try to mock one up tomorrow.

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post #3 of 25 (permalink) Old 07-20-2014, 12:04 AM
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Sorry. I can't tell much from your picture.

Al
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post #4 of 25 (permalink) Old 07-20-2014, 12:11 AM
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this is a link for wooden latches...
lotsa links and maybe an idea or three...

http://isearch.avg.com/search?q=wooden%20latches&pid=avg&sg=0&cid={2ff151 10-d1cf-451e-bef1-7e4a68abebe2}&mid=9567270cb46e47d194096939b2aa32a6-afbcacc243075076fa2f750a34b57ac74d4330e4&ds=&coid= &cmpid=&v=18.1.7.644&lang=&pr=&d=2014-06-25%2021%3A33%3A59&sap=nt&snd=hp&sap_acp=0

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post #5 of 25 (permalink) Old 07-20-2014, 12:14 AM
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cool ideas in pictures...

https://woodgears.ca/wood_hardware/doorknobs.html

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
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post #6 of 25 (permalink) Old 07-20-2014, 07:49 AM
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Theo, here's what quickly comes to mind for me...
Wooden "hasp", two diameter dowel and small spinner.
The hasp will include a wooden hinge with a swinging plate that is slotted.
The other side will include a spinner slightly smaller than the slot (above).
The spinner is held on with a dowel of two diameters - creating a "nail head".
The dowel passes through the spinner somewhat snugly.

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post #7 of 25 (permalink) Old 07-20-2014, 09:14 AM Thread Starter
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Oliver: These will be a series of gun cases. About 4" inside thickness, by about 8" wide, and probably about 42" long - got to figure out which is the longest, and use that for length. Don't know yet if these will be custom fitted to each individual rifle or shotgun, but most likely moveable spacers, to adapt each case to the particular gun in it at the time. It will split probably in the center, so top will be 2", as will the bottom be. I want something that's going to be Hell for strong - I will probably lend one or two to my older son, and want to be sure I get it back in usable condition - he has some strange friends. So, both sides will be 1/2" plywood, and the walls will be 1/2" strips of plywood, 3/4" wide. Not a clue yet as to potential weight, but weight is really not a major issue, I'm too durn old and stiff to be carrying one far anyway. And, after the Acme light bulb change, I'd be more than happy to see anything you come up with. I'm thinking it would take two - insurance you know.

Al: The picture is the same as what is shown and explained in the video.

Stick: Thanks, but I think I've already seen all of them. Did get a thought or two, but don't really think they'll come to much, but never can tell.

Otis: Took me a lot of rereading that before I got it in my mind. Definite potential, but I'm not 100% sure the spinner wouldn't spin during handling. If both did, a chance the hasps would pop open. But on the other hand, been thinking about two rope handles, or leather, or something that would move, so might not be a major issue to hook a cord or something to the spinners, and in turn to the handle, so lifting the handle would sort of lock them in place.

Thanks guys.

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post #8 of 25 (permalink) Old 07-20-2014, 10:50 AM
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Default Wooden case latch in YouTube

Did you see this in YouTube? You can choose how tight to make it all.

https://www.youtube.com/watch?v=nChH5Y7DF5c
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post #9 of 25 (permalink) Old 07-20-2014, 10:52 AM
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Quote:
Originally Posted by JOAT View Post
Oliver: So, both sides will be 1/2" plywood, and the walls will be 1/2" strips of plywood, 3/4" wide.
Let me make sure I'm understanding you correctly, Theo: The sides (walls) will be four layers of glued up 3/4" wide strips of 1/2" ply making the walls 3/4" thick by about 2" tall for both the bottom and top (lid) of the case. Meaning we have a 3/4" thick wall to install a latch onto or into?

Since there are no hinges and the top lifts off, latches are probably needed on each end or (considering the length) perhaps two on each side?

Are you totally committed to the "no metal" rule? Not even a small compression spring that could be easily removed for recycling?

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post #10 of 25 (permalink) Old 07-20-2014, 11:03 AM
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Two things come quickly to mind..
A cam style latch. Using an offset to apply/engage the latch.
But I think this may eventually wear with time and use...

Second would be a "strip" of wood that would act as your spring. something along the
lines of a diving board. Fixed on one end, yet flexible at the other. The flexible end would provide the needed pressure to engage the latch into the catch. The length, thickness and durability of the wood used would be
considerations.

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