AD Series


Door can be locked automatically

by simply closing door.

  • This series of locks can be opened with one hand
    This lock series has a latch hold / release feature.When
    the door is unlocked with a key or thumb-turn, the latch
    retracts into the lock. When the door is opened, the latch is
    released.

    This feature allows the door to be unlocked and opened
    with one hand (models ADS and ADT).

  • Combination with electric strike
    A combination with electric strike AS series will permit
    electrical release by remote control, with confirmation
    signals for locked or unlocked door and for opened or
    closed door.


ADT
: Standard type(Automatic locking function)

ADS : Can be held in the latchbolt dogging position
by simply turning the“Latchbolt holding screw”

ADB :
Can be held in the latchbolt dogging position by key or thumb-turn

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Description

AD Series


Door can be locked automatically

by simply closing door.

  • This series of locks can be opened with one hand
    This lock series has a latch hold / release feature.When
    the door is unlocked with a key or thumb-turn, the latch
    retracts into the lock. When the door is opened, the latch is
    released.

    This feature allows the door to be unlocked and opened
    with one hand (models ADS and ADT).

  • Combination with electric strike
    A combination with electric strike AS series will permit
    electrical release by remote control, with confirmation
    signals for locked or unlocked door and for opened or
    closed door.


ADT
: Standard type(Automatic locking function)

ADS : Can be held in the latchbolt dogging position
by simply turning the“Latchbolt holding screw”

ADB :
Can be held in the latchbolt dogging position by key or thumb-turn