The spring-loaded action is where an object or mechanism is held tightly against a spring, but is initially ‘locked’ into position. Once ‘unlocked’, the object or mechanism is propelled out by the natural action of the spring.
The spring-loaded action was most commonly utilised in box making for the opening of drawers and secret compartments, the releasing of mirror panels, hinged mechanisms (like Betjemann’s Patent mechanisms) and locking mechanisms.
Antique Spring-Loaded Cantilever Mechanism from an Asprey Jewellery Box with Betjemann Patent Mechanism.
Asprey Antique Jewellery Box in Coromandel with Betjemann Patent Mechanism.
Antique Spring-Loaded Cantilever Release Mechanism from a Betjemann Patent Jewellery Box.
Antique Jewellery Box in Coromandel with Betjemann Patent Mechanism, by George Betjemann & Sons.
Spring-Loaded Lock Top Plate from a Jewellery Box Attributed to Edwards.
Antique Jewellery Box in Calamander, Attributed to Edwards.
Spring-Loaded Drawer Release Mechanism from an Antique Jewellery Box.