Double-handled lock :
Lock whose key has a solid shank and which opens both from the interior and exterior.
Lock that uses rods to close doors or hinged windows, so-called, it is said, because of its Spanish origins...
Flat moving piece whose hinge is fixed to the lid of the chest or trunk and whose lock hook is held down by the bolt when locked.
Key plate :
Carved or chiselled plate around the keyhole. Sometimes called an 'escutcheon'.
Sliding knob that pushes the bolt from just one side (16th Century). The double knob operates the catch bolt both from the interior and exterior.
Knob of locking bar :
Handle that activates the bolt of a vertical lock (latch).
Moving bar on a pivot, which locks a door.
(Latch) bolt :
Horizontal or vertical bolt which is slid into a strike plate.
Mechanism of varying levels of complexity, designed to secure doors, wardrobes, chests, drawers, etc., that is made up of three distinct parts: the lock itself, the key and the strike plate.
Lock hook :
Iron hook fixed to the hasp of a chest or trunk lid of. The lock hook fits into a slot and receives the bolt, which locks the chest.