Locking device where one end of the chain is attached to the doorjamb or the wall with the other end sliding into a holder on the door. This type of lock allows the door to be opened slightly without being unlocked.
Door check
Device that slows the closing of a door.
Door chimes
Doorbell, which makes the sound of, chimes ringing when it is used.
Door closer
Device that automatically pulls a door, closed at an adjustable speed. Door closers can be single acting, double acting, overhead or floor.
Door frame
Structure around the door opening where the door is hung.
Door hardware
Hardware consists of knobs, which are used to open a door and latches, and hinges which allow the door to be opened and closed.
Door header
Uppermost horizontal doorframe member.
Door jack
A mechanism made of boards, which hold the door erect when it is being worked on before installation.
Door jamb
Framework surrounding a door opening. Also called a doorpost.
