|
(11) | EP 0 129 042 A3 |
(12) | EUROPEAN PATENT APPLICATION |
|
|
|
|||||||||||||||
(54) | Method of modifying a closure member equipped with a latch or a key-operated lock and unit for use in the method |
(57) A lock (11) fitted to a door (10) is modified by inserting an appropriate key into
the lock so that a handle (12) of the key protrudes from the lock and applying a control
unit (14) to the door to cover and engage drivingly the handle of the key. The control
unit is responsive to a magnetically coded key, by means of which the control unit
can be set in a condition in which torque is transmitted from a knob (18) to the key. |