A term used to indicate the direction of swing or movement, and/or locking security side of a door.
A term used to indicate that the article is for use only on doors of the designated hand.
A fastening device consisting of a loop and a slotted hinge plate, normally secured with a padlock.
Two plates held together by a pin and attached to a door and its frame whereby a door is supported and is enabled to swing or move.
A spring hinge mortised horizontally into the bottom rail of a door and fastened to the floor and head frame with pivots.
The part of a lock through which the spindle passes to actuate the mechanism.