I got sick of impressioning locks, especially older high value antique locks where I would cringe at the possible damage to the patina, pins, scratching up the keyway etc.
This is when it occured to me that there is a much easier, more accurate, and most of all way more gentile.
I came up with this device that transfers the pin height profile and spacing onto a piece of tape.
I built the base from a stair tread cutoff, then built the back wall and stylus carriage from scraps of pvc trim board.
I drilled a grid of holes on the left to provide a almost unlimited area to clamp just about any padlock in any position.
The padlock needs to be picked open and held in the open position. Locks with a strong tumbler reset need to be jammed open with a small piece of shim jammed against the lip of the tumbler and body. The lock gets mounted onto the transcriber upside down so all of the pins at shear are resting against the inner wall of the cylinder opening.
I made several different feeler hooks with varying depths and angles to work with just about every standard keyway.
The distance between the tip of the feeler hook and the tip of the .001 micro pen are equidistant as to make a exactly scaled bitting profile. The probe gets slid all the way to the back of the keyway and carefully slid out marking the height and spacing of every pin then rides the top of the keyway and drops out off the face of the tumbler. Then the probe gets lifted manually, marking the top and bottom of the tumbler face which provides a accurate face to align and square the shoulder of the blank with the keyway.
The sticker then gets marked square to the keyway and cut out with a exacto knife then applied to the key blade, then filed out.
I have successfully made new keys for a ton of locks with rarely one that requires a little additional work.
It works great, I just had to share it with the rest of the community. It deserves exposure ! As far as I know nothing like it has ever been created, you saw it here first lol !
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