Types Of Door Lock Classroom Function

Electrically locked fail safe or electrically unlocked fail secure.

Types of door lock classroom function.

There are two functions that are most commonly used. This is the most common type of lock and chances are you probably have them on your home or. Classroom lock function is defined as a lock where the latch bolt is operated by lever either side except when outside lever is locked from the outside by a key. The lock can be left in the locked or unlocked state by using the key and there is no means of locking or unlocking the door from the inside.

Classroom security function allows control of the outside lever via key cylinders on both the inside and outside of the door. This particular lock is always locked and requires a key to be used each time you want. A teacher can lock her classroom door during a lock down event without ever opening the door and possibly being exposed to an intruder in the corridor. Applies to mortise locks and latches.

Entrance by key only. The five lockset functions 1. The latching mechanism can be retracted by. Applies to cylindrical bored pre assembled locks and latches.

Classroom security locks allow control of the outside lever via a typical key cylinder on both sides of the door. Inside lever always unlocked for immediate egress. This function was originally designed for schools to prevent students from tampering with the lock but most new schools have classroom security locks office function locks or electrified locks. Ansi f86 storeroom lock outside lever fixed.

When electricity is applied to an electrically locked el mortise lock the outside lever is locked but on most electrified lock functions the inside lever always allows free egress. The passage function is the most simple of the door locks we will discuss here.