Types Of Door Lock Classroom Function

Inside lever always unlocked for immediate egress.

Types of door lock classroom function. This particular lock is always locked and requires a key to be used each time you want. Inside lever always unlocked for immediate egress. Electrically locked fail safe or electrically unlocked fail secure. This is the most common type of lock and chances are you probably have them on your home or.

There are two functions that are most commonly used. Entrance by key only. Applies to cylindrical bored pre assembled locks and latches. Applies to mortise locks and latches.

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. 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 latching mechanism can be retracted by.

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. 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. The passage function is the most simple of the door locks we will discuss here. Classroom security function allows control of the outside lever via key cylinders on both the inside and outside of the door.

Just as the name implies this door lock function is for use on openings where privacy is a concern. Ansi f84 classroom lock outside lever locked and unlocked by key.