The metal plate screwed into the door frame. The bolt slides into this to secure the door. 2. The Anatomy of a Knob or Lever Lock
| Cylinder Type | Diagram Shape | Key Control Feature | Security Level | | :--- | :--- | :--- | :--- | | | Round plug with 5-6 vertical pin stacks | Standard key cuts | Medium | | Disc Detainer | Rectangular sidebar, rotating discs (not pins) | Laser-cut, often double-sided | High | | Wafer | Flat plug with stacked wafers (used in cars/cabinets) | Double-bitted key | Low-Medium | | Magnetic | Magnets instead of pins (no visible keyway in diagram) | Magnetic stripe key | Niche |
The lever on the inside of the door that allows you to lock and unlock it without a key. door locks diagram
The metal rod that connects the knobs on both sides. When you turn the handle, the spindle rotates to retract the latch.
The metal plate attached to the door frame that the latch or bolt slides into to keep the door shut. The metal plate screwed into the door frame
End of Report.
These are the stationary parts that hold everything together. On a diagram, these are the outer borders. The Anatomy of a Knob or Lever Lock
A rod that connects the handles on both sides; when you turn the knob, the spindle rotates to retract the latch. Advanced Smart Lock Systems