deskthority

I've skimmed through the patent Figure 4 denotes the skimming metal part as the top of part 15a. https://patentimages.storage.googleapis.com/pages/US4370533-1.png Only mentions are : Referring to FIG. 2, the drive rod 51 is formed by insert molding of a plate spring element 15. A support-portion 15a...

almost, but not quite.

Life's always like that. Almost working as expected but totally not exactly quite like the opposite.

The functional part was more of a joke relating to the 22 top row keys..! Aha Nothing to do with Cherry MX regarding the keycaps? https://deskthority.net/w/images/6/6f/FLS-1stGen-Keycaps.jpg https://i.imgur.com/bNjWh.jpg I can see that the switch are as close as black and white, but the cross mount ...

I dig the color scheme and that's a functional keyboard if I ever saw one. The imprint looks remotely cherry mx compatible but I bet a minute deviation makes that dream evaporate. I wish my garage sales had rarities like that; it looks in incredibly good state though so my guess is that wasn't a dol...

Mmh would you just take a look at Mr. Illusory Superiority right there

Whether you're the fruit of my imagination or someone else's I'm still glad about the pieces of information I've gathered.

I tested my keyboard and it works perfectly, I just need to resolder the part of the switch that I broke: No more "Inser." key for the time being. I'll get some pics.

Very well written explanation Daniel. I'm glad I asked!

It all makes sense.

Old keyboard are reputed for their high current input aren't they ? So a large flexible contact surface would be good.

@codemonkeymike, if you end up doing that post please don't hesitate to ping me. I believe for now I'll try doing it the dirty ugly way but a good documented assembly is more than welcome! When assembling the leaf spring I must admit I sighed and finally swore loudly the 10th time it sprung in my fa...

Thanks a million @Daniel Beardsmore! I love nice descriptive texts and schematics it's going to help me a great deal!! You're right about the description, I should have attached it. At that time I didn't understand half of the words. I'm now wondering about the notches denoted "34" on the schematic ...

Oh right..! In that picture it would be on the wrong side. The bump would allow it to move toward us or toward the back of the screen depending on the position of the plunger..! I sort of successfully got it back together but I damaged the leaf and I'm not sure it will contact the wire correctly any...

Hey guys, mechanical switches are great... but understanding how they work is giving me a headache! :roll: This is my first post so hello everyone I'm enthusiastic about old keyboards and is currently working on a keyboard just like this : https://geekhack.org/index.php?action=dlattach;topic=74367.0...