Glossary

SEE THE LOCKSMITH GUIDE IN FLASH OR DOWNLOAD THE LOCKSMITH GUIDE IN PDF (downloading the catalogue may take a while)

	AXis		Distance between the centre of the lock’s square follower and forend.		see picture
	BARREL		Safety block.
	SPRING LATCH		Lock with only one latch (lock without a key).
	LEVER		Handle for manipulating a lock.
	CASING		Lock case (excluding the security cylinder).
	KNOB		Round or oblong handle set on a square spindle that engages the follower.
	CANON		hollow cylinder attached to the cap of the lock and used to guide the key.		see picture
	SQUARE		Spindle entering the follower and supporting the lever or the knob that ensures the reverse operation of the latch-bolt.		see picture
	FIGURE		Or silhouette; characteristic shape of the bit section of the key, perpendicular to the spindle.
	BERNARD KEY		Full spindle key.
	CASE		Casing housing the lock mechanism.		see picture
	COMBINATION		Arrangement of notches, nicks, or divisions that may be made to a security key.
	CYLINDER		Security mechanism of the lock. It only works with its own key and transmits the movement of the lock		see picture
	DOUBLE ENTRY		Manoeuvrable by key from both sides.
	INTERAXIS		Distance between the axis of the follower and the axis of the hole on the key or the cylinder.		see picture
	CHANGE-LEVER		Part of the lock producing removal of the latch-bolt when the deadbolt itself is removed.		see picture
	EVE		Rib or groove used to guide the key into the lock.
	CAP		Or covering; used as removable cover for the case of a lock.		see picture
	FOLLOWER		Moving part with a hole allowing fixing of the lever on the lock.
	STRIKE		Part attached to fixed frame of the door (door frame) and in which the lock’s bolt is engaged.		see picture
	TUMBLER		Moving part of the lock that immobilises and releases the bolt.		see picture
	PIN		Or piston; cylindrical part arranged with others to form the combination of the security cylinder.		see picture
	NICKEL		high quality ally for the keys and pins.
	HAND		Refers to mounted lock (right or left).
	MORTISE		Opening made in the thickness of the door to recess a lock.
	MULTIPOINT		Locking formula giving a latch or lock a means of operating several bolts at the same time, so multiple locking points. .
	CASEMENT BOLT		Part of the key that acts on the moving parts of the lock.		see picture
	SPLIT HING		Fittings that rotate on a hinge and support a door.
	BOLT		Moving part of a lock that by its displacement is engaged in a strike and immobilises the door.		see picture
	PUMPS		False notches in the inner cylinder ensuring high resistance to picking and burglary
	PUSH BUTTON		Piece between spring and pin.		see picture
	PROFILE		Or European; describes a cylinder whose profile is standardised.
	REPETITION		Refers to a strike that is identical in form and style to the lock.
	ROTOR		Mobile part of a cylinder.		see picture
	DIRECTION		The lock is called "pulling" or "pushing" when, placed on the side of the lock, the door is opened by pulling or pushing.		see picture
	HALF OPENING		Refers to closure systems that open with the same key (even differs).
	STATOR		Fixed part of a safety block.		see picture
	FOREND		Front part of a lock.		see picture
	PULL		Order of the latch-bolt operated by a hook.
	VARIED		A closure system is called varied when the parts of the security mechanism that comprise it are different from all other systems. A set of keys only opens one mechanism.
	DIFFER		Combination of the divisions determining the opening of a closure system. The same key can open several locks with the same differ.		see picture

Mortise Lock

Mounted Lock

Cylinder

Direction of dorr opening

Key to 6 different differs

Haut de page