Electronic lock in cylinder of standard lock
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 7, 2002
Grant Date -
N/A
app pub date -
Nov 5, 1998
filing date -
Nov 5, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic security system includes an electronic lock mechanism and an electronic key, each of which is provided with a microprocessor controller and a memory storing data including an ID code and encryption key codes. The electronic lock security system preferably includes an electronic lock including a hollow cylinder, an opening into the cylinder, a bolt movable through the opening between an extended position and a retracted position, a cam member within the cylinder, the cam member contacting the bolt to move the bolt to an unlocked position, a solenoid within the hollow cylinder, the solenoid being engageable with the cam member, an electronic lock circuit within the hollow cylinder, a plug connected to the solenoid for rotating the solenoid, the plug having a keyway for insertion of a key for rotating the plug. In addition, the system also includes an electronic key insertable within the keyway for communicating with the electronic lock circuit to operate the lock. A torque transmitting solenoid is used in the system.
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