Classroom Function Lock Cylinders with Free Egress Safety Followers
Engineering Overview: Engineering breakdown of ANSI F05 classroom function cylinders, allowing teachers to lock the exterior handle while preserving free interior egress.
Technical & Engineering Specifications
| Standard | ANSI/BHMA A156.13 / NFPA 101 |
|---|---|
| Cylinder Type | Key-in-Knob / Key-in-Lever Core |
| Function Name | ANSI Classroom Function (F05) |
| Outside Control | Key Locks/Unlocks Outside Lever |
Educational Lockdown Safety
Classroom function locksets ensure teachers can lock the outside lever during an active emergency.
Kinematic Isolation
- Outside Key Operation: Key locks or unlocks the exterior lever.
- Permanently Free Interior: Inside handle is mechanically uncoupled, opening immediately at all times without unlocking.
Frequently Asked Engineering & Selection Questions
Q1: What is the primary application of this cylinder?
Engineering breakdown of ANSI F05 classroom function cylinders, allowing teachers to lock the exterior handle while preserving free interior egress.