Episode 2 of 3
1818 Chubb Detector Lock Patent
- When
- 1818
- Where
- Portsmouth
Jeremiah Chubb invented and patented the first detector lock in 1818, featuring a re-locking device that indicated unauthorized access.
Jeremiah Chubb, working as a ship's outfitter in Portsmouth, invented and patented his detector lock in 1818. The lock was a lever tumbler mechanism with an integral security feature, a re-locking device, which frustrated unauthorized access attempts and indicated interference to the owner.
Sources
- Chubb detector lock Wikipedia, revision of 2025-07-04
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.