tubular lock
Lock whose knobs activate a latch bolt and is locked by pushing a button; it is used for interior doors.
outside knob
Knob located on the outer side of the door.
spindle
Extended part that manipulates the bolt when turned.
faceplate
Thin plate fastened to the edge of the door with an opening through which the bolt passes.
latch bolt
Part whose beveled end is activated by a doorknob; it catches automatically in a strike plate when the door is closed.
inside knob
Knob located on the interior side of the door; it contains a push-button.
rose
Decorative plaque with an opening in the center allowing the doorknob to turn.
bolt
Metal threaded peg ending in a head; it screws into a nut.
nut
Hollow cylinder of metal whose lining is threaded to screw onto a corresponding bolt.
previous
