The Locks on this page would use these styles of keys:
This is a very simple lock to make as the design is compact and there are no complex parts to it. I have seen numerous keys in museum collections of the same style so it's an easy assumption that the mechanism was often used.
The key is used by inserting it, turning it vertical and finding the holes in the sliding bolt's plate, then pulling the key towards yourself to release the spring, then sliding the key to the right.. The sliding bolt moves with a very satisfying click.
To the right you see an illustration of the lock's mechanism. The keys that work for this lock were found in all sizes, larger ones were assumed to be door keys.
The sliding bolts are filed to have a catch that permits the springs to hold the bolt in place. The key reaches through the holes to push the spring out of the way. Simple.
Of the lock parts shown, the top bolt is rough forged, unfiled. The second shows the filing being done and the third has the key holes drilled. That third lock will use a two fingered spring.
The staples were filed to have shoulders that controlled their stand-off depth, then peened over on the front side of the lock plate.
Being that the easy waay we now check for carbon content is to lay the metal against our electric grindestones wheel and look at the patern of sparks... and that carbon content was not understood, I would like ot beleive I stumbled on a minor work (or re-work.) that created something useful form junk.
I have that third loose part pictured in the first photo, that will be made into a lock too, more to come.
What you see in the illustration is all there was! To the right is my speculation of how it worked. After the two holes for the hasp and keyway were cut in the wood, the spring is mounted, also to the wood. Then the sliding bolt, covered the spring and stapled to the wooden panel. Look at the simplicity of the lock. A minimum of parts... simple!
* This lock is found in "THE PRODUCTS OF THE BLACKSMITH IN MID-LATE ANGLO-SAXON ENGLAND - Part 2" by Patrick Ottaway
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