Glossary of Terms

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R

  1. Rabbet

    Rabbet

    A term used to describe the abutting edges of a pair of doors or windows so shaped as to provide a tight fit. One half of the edge projects beyond the other half, usually ½ inch. Also used to define that portion of a door frame into which the door fits. 
    Related Categories –
    Locks, Cylinders, Cores, Keyblanks

  2. Rail (of a Door)

    A horizontal member that pins the stiles. May be exposed as in a paneled door, or concealed as in a flush door. 
    Related Categories –
    Exit Devices
  3. Roller Latch

    Roller Latch

    A friction door latch employing a roller latch head under spring tension, which engages a strike having a recess formed to receive the roller. 
    Related Categories –
    Hinges and Pivots
    Related Terms –
  4. Rose

    Rose

    A trim plate attached to the door under the knob or lever. It sometimes acts as a knob (or lever) bearing. 
    Related Categories –
    Locks, Cylinders, Cores, Keyblanks
    Related Terms –
    Knob
    Lever Handle

  5. Rounded Front

    A lock or bolt front conforming to the rounded edge of a double acting door.
    Related Categories –
    Locks, Cylinders, Cores, Keyblanks
    Related Terms –
    Lock Set
Glossary
R