Diagram of Chubb Detector Lock. 'K' and 'F' comprise the detector mechanism. K is the catch on the back lever and F is the end of the horizontal detector spring. circa
Antique Vintage collection Chubb Detector Padlock Lock Victoria Original Key | eBay
Lock Stories
Page:EB1911 - Volume 16.djvu/865 - Wikisource, the free online library
Mortise lock Chubb detector lock Door Mul-T-Lock, door, angle, furniture, rim Lock png | PNGWing