Classroom lock When outside lever is locked, latch bolt is retracted by key, or by operating key and outside lever from outside or by operating inside lever. Classroom security locks allow control of the outside lever via key cylinders on both the inside and outside of the door.

How does a classroom lock work?

Classroom lock When outside lever is locked, latch bolt is retracted by key, or by operating key and outside lever from outside or by operating inside lever. Classroom security locks allow control of the outside lever via key cylinders on both the inside and outside of the door.

Whats a lock block on a door?

The rubber device titled “Lock Block” has recently been added to the doors of Moorpark College as a safety measure. The device prevents locked doors from completely closing, allowing the handle to stay locked and students to quickly lock doors without the need of keys in the case of danger on campus.