Locks – Operating mechanism – Using a powered device
Patent
1994-01-24
1996-04-16
Gall, Lloyd A.
Locks
Operating mechanism
Using a powered device
70283, 34082531, 361172, E05B 4902
Patent
active
055071627
ABSTRACT:
A `Eurocylinder` configuration for an electronic lock and key system has a plug fitted into a main body housing which is readily mounted into a mortise of standardized dimensions. The plug has a keyway at one end and a deadbolt-engaging cam at the other end. To operate the lock, an electronic key is inserted into the keyway and, when given permission as a result of an opto-electronic communication exchange between a control processor in the key and a control processor in the lock, the key is rotated so as to operate a deadbolt. A spring biased translatable contact serves as a conductive interface between a flex circuit and a contact on the keyblade. The body also includes a solenoid device which is energized by way of the flex circuit. The solenoid device operates a plunger away from the plug to allow rotation of the plug by the key. The body and plug also include a segmented pin arrangement such that when the key and the plug are rotated from a key insertion position, the key cannot be removed. A front end portion of the elongated portion of the housing contains an opto-electronic communication unit which communicates with a complementary opto-electronic communication unit in the key handle.
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Gall Lloyd A.
Intellikey Corp.
Wands Charles E.
LandOfFree
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