Bay lock
A bay lock is a type of Serrure to pins, in which the pins are laid out in a circular way compared to the cylinder. It is met less frequently than the cylindrical lock.
The principle of operation is similar to that of a cylindrical lock, namely blocking of the rotation of the cylinder by embedding of the pins. In a bay lock, the barrel and the cylinder are bored holes parallel with the axis of the key, whereas in a cylindrical lock they are perpendicular to this last.
The key tubular takes support on a central axis. Its circumference, notched, presses on the pin-drifts, of variable sizes, which identify the lock. If a point of the key inserts the pin drift too deeply, this last is inserted in the hole bored in the barrel. If the key does not support sufficiently, the pin, pushed by the helicoid Ressort, comes to be embedded in the hole of the cylinder.
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