Door cylinder lock

Details Door cylinder lock Door cylinder lock

2005-03-15

2005-03-15

Gall, Lloyd A. (Department: 3676)

Locks

Special application

For closures

C070S149000, C070S218000, C070S223000, C070S278200, C070S278300, C070S279100, C292SDIG002

Reexamination Certificate

active

06865916

ABSTRACT:
A cylinder lock for use in a door lock, comprising an outer plug, an inner plug, a rotary cam adapted to move a deadbolt of the door lock, and a clutch adapted to engage for rotation the outer plug to the rotary cam. The cylinder lock further comprises an electronic blocking device (EBD) and a drive adapted to actuate the clutch upon an unblocking command from the EBD generated upon receiving therein an unblocking signal emitted from the outer side of the door, thereby enabling moving the deadbolt by rotation of the outer plug. The cylinder lock comprises an inner handle attached thereto at the inner side of the door, the EBD and the drive being entirely accommodated within the inner handle. The signal is emitted by an electronic key or panel and may be a mechanical vibration signal, a light signal, or a radio signal.

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