Glossary of Terms
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IC Core (Interchangeable Core)
A compact keying mechanism in a specific "small format" figure-eight shape.
- Related Categories –
- Locks, Cylinders, Cores, Keyblanks
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Inactive Door (or Leaf)
In a pair of doors, the leaf that generally does not move may be secured by flush bolts.
- Related Categories –
- Door Closers and Operators
- Related Terms –
- Active Door (in a Pair of Doors)
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Indicator Button
A device used in connection with a hotel lock to indicate whether or not the room is occupied.
- Related Categories –
- Locks, Cylinders, Cores, Keyblanks
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Invisible Hinge
A hinge so constructed that no parts are exposed when the door is closed.
- Related Categories –
- Hinges and Pivots
- Related Terms –
- Hinge