By What is a classroom lockset function?
Classroom security locks allow control of the outside lever via key cylinders on both the inside and outside of the door. This allows a teacher to lock the classroom door during a lockdown event without opening the door and possibly being exposed to an intruder in the corridor.
What is the function of a lock?
The key in the outside lever locks or unlocks outside lever. The operating inside lever releases the push button or other locking device placed in a locked position. Closing the door releases the push button or other inside locking device. The inside lever always operates the latch bolt.
What is a classroom function?
A classroom function deadbolt prevents an un- authorized person from projecting the deadbolt to secure a room without permission but pro- vides for safe egress by allowing the thumbturn to retract the deadbolt if someone is accidentally locked inside the room by someone projecting the bolt with a key.
What is an office lockset?
Office Lockset – The latchbolt is retracted by the grip on either side unless the outside grip is locked by the toggle or outside key. Operating the inside grip does not unlock the outside grip. Passage Lockset – The latchbolt is always retracted by the grip on either side. Both grips are always free.
What is a dummy lockset?
Dummy door knobs are one-sided “fake knobs.” They’re usually installed on the surface of a door or behind it. They don’t lock but are used to open doors and go between rooms. Passage door knobs are ideal for interior hallways, closets and other rooms that don’t need privacy locks. They’re also called unkeyed knobs.
What is a pass through lock?
Passage door knobs are similar to dummy door knobs. They don’t lock but are used to open doors and go between rooms. Passage door knobs are ideal for interior hallways, closets and other rooms that don’t need privacy locks. They’re also called unkeyed knobs.
How does a dummy handle work?
Dummy knobs do not turn. They don’t have locks, axles or latches. Dummy knobs are fake, fixed knobs used to open and close a door that doesn’t have a traditional latch. Available in common designs including handlesets and levers, dummy knobs also are used to dress up inactive doors.
What is a half dummy lever door handle?
Half dummy – Same as above but instead of a pair of knobs or levers, a single knob or. lever is provided. Generally used on linen closets and other closet applications where a. matching knob or lever is not needed on the inside of a door.
What is a function on door knob?
An entry function lockset will have a small button on the inside of the knob/lever, allowing you to manually lock the door, when you choose. Most types will allow you to push the button in or push it in and turn the button, causing the lock to remain locked, even after a key is inserted and used.
How can I unlock the function keys?
Unlock a Function (Fn) Key. If your keyboard is producing numbers instead of letters, hold down the Function key (Fn) on your keyboard in order to be able to write normally. If this doesn’t work, try pressing Fn + Numlk or, depending on the model, Fn + Shift + Numlk. On an IBM Thinkpad , press Shift + Scroll Lock Num.
What are the different lock functions?
What Are the Different Lock Functions? The Five Lock Functions. Now about the functions… there are generally five well-known functions of locks, including passage, privacy, entrance, classroom and storeroom. Passage. Regarding passage, there’s a latching mechanism involved that can be retracted by both an inside and outside lever at all times. Privacy. Entrance. Classroom. Storeroom.
What is a classroom door lock?
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. Classroom Security function allows control of the outside lever via key cylinders on both the inside and outside of the door.