Door Lock Parts Terminology

A latch is the portion of a door lock that extends into the door frame through the strike plate.

Door lock parts terminology. This is the type of lock you find on your homes and most office doors. Locksmith terminology a dictionary of locksmith security terms a. A tubular entry door handle set requires two such bores that are usually spaced either 3 5 8 or 5 1 2 apart from center to center. It usually has a minimum of three locking points plus latch spread strategically over the length of the door.

Anti thrust bolt a spring bolt for a night latch particularly which cannot be pushed back when it has shot out and. Glossary of terms need a greater understanding of common door hardware terminology. Can be locked unlocked from inside the room with a thumb turn and require a key to unlock from the outside. In lever tumbler locks a bolt stump is a rectangular part located above the talon and passes through the slot in the levers as the bolt moves.

Electromechanical locks use electric current to operate the latch bolt. Deadbolt with gate latch gate locks. Among other things the chassis determines if your lock is privacy bed bath passage hall closet or combined interior. Gate locks normally require a key for both sides and the body of the lock is basically a deadbolt.

Like your car s engine under the hood this is the internal body of the lock the unseen working mechanisms inside the door. Backplate the plate fixed on a door to which the moving parts of a lock or latch are attached. Any door lock set or latch set that requires a bore hole and an edge bore for installation. Break a break in the pins is a separation in one or more sections of the pin used to encode the lock for a specific key or set of keys in a master keying system.

However the major difference is that they latch or lock automatically when the gate gets closed just like a knob or lever does on your front door not like. In a mechanical lock the lock body uses a series of spring loaded pins to allow or stop the turning. Now onto some common door and lock terminology in regards to electromechanical locks. The lock body turns to engage or disengage the lock s bolt or latch when the appropriate key is used.

They fall into one of two categories. The lock body or lock cylinder is the core of a door lock. Understanding the different parts that work together to make a door handle and lock work can help you fix minor problems on your own. Parts of a door lock.

Fail safe locks unlock when power is removed. A standard interior door handle requires one bore hole usually 2 1 8 in diameter and one edge bore usually 1 in diameter.