The object
Andrew Demko invented the Tri-Ad Lock, a folding-knife mechanism that transfers cutting and spine-load forces through a dedicated stop pin into the handle. Cold Steel identifies Demko as its originator and explains the load-distribution engineering.
01
What Andrew did
invented the Tri-Ad Lock, a folding-knife lock that uses a stop pin to redistribute load into the handle
02
Why it matters
The Tri-Ad Lock made unusually high lock strength a recognizable feature of modern hard-use folding knives.
03
Living-status check
Demko Knives published a June 19, 2024 report of Andrew Demko’s in-person interview at Blade Show 2024.