Functions for cylindrical door locks
Functions for cylindrical door locks

Entrance

( ET )

Outside
Inside
  • For entrance doors.
  • Deadlocking latch bolt.
  • Either knob operates latch bolt except when outside knob is locked from inside.
  • Pushing button in inside knob locks outside knob.
  • Turning inside knob or key from outside will unlock latch.
  • Outside knob may be retained in locked position by pushing and truning button clockwise to a horizontal position :not released until button is manually returned to the vertical position.
  • Inside knob always active.
  • Privacy

    ( BK )

    Outside
    Inside
  • For lavatory or other privaog doors.
  • Either knob operates latch bolt unless outside is locked by push-button inside.
  • Pushing inside button locks the outside knob.
  • Button automatically releases when inside knob is turned or door is closed.
  • A coin inserted and turned in emergency slot will unlock door from outside.
  • Inside knob always active.
  • Passage

    ( PS )

    Outside
    Inside
  • For doors that do not require locking.
  • Either knob operates latch bolt at all times.
  • Suitable for use on storeroom,hall way,kitchen,and children's bedroom.
  • Patio

    Lock

    ( PT )

    Outside
    Inside
  • For exit doors with limited entry.
  • Deadlocking latch bolt.
  • Either knob operates latch bolt unless outside knob is locked by push-button inside.
  • Button automatically releases when inside knob is turned.
  • Inside knob always active.
  • Storeroom

    ( SR )

    Outside
    Inside
  • For use on storeroom,hotel,and exit doors.
  • Dead locking latch bolt.
  • Latch bolt operated by inside knob and key from outside.
  • Outside knob always rigid.
  • Inside knob always active.
  • Communicating

    Lock

    Outside
    Inside
  • For comunicating or store entrance doors.
  • Deadlocking latch bolt.
  • Either knob operates latch bolt except when key in either knob locks the latch key in either knob locks and unlocks independently of the other.
  • Should be used only for offices or rooms with multiple entries.
  • Exit Latch

    Outside
    Inside
  • For twin communicating or exit doors where one-side operation is required.
  • Also when space is limited between door and switch panel.
  • Deadlocking latch bolt.
  • One knob operation.
  • Blank rose.
  • Should be used only where rooms have more than one entrance.
  • Communicating

    lock

    Outside
    Inside
  • For doors 1-3/8" to 1-3/4"(35-45mm)only.
  • Deadlocking latch bolt.
  • Latch bolt operated by key or rotating knob.
  • Fully turn of key locks or unlocks
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