Locks – Special application – For control and machine elements
Patent
1994-10-27
1996-01-02
Gall, Lloyd A.
Locks
Special application
For control and machine elements
70165, 70189, 70232, 70278, 411402, 411910, F16B 4100
Patent
active
054797993
ABSTRACT:
The present invention provides for a key and bolt lock device. The key is constructed in a housing shell to be received by the head of the bolt. The key includes a power source, typically a battery, and a transmit coil which is capable of transmitting both energy and data from the key to a receiving coil in the bolt. This energy and data transfer is usually conducted by magnetic coupling. The key also includes a memory device for storing security codes which are used to compare to security codes stored in the bolt as well as a device for retrieving and transmitting the security code, typically an 8-bit microcontroller. The bolt has a body which is operatively associated with a head of the bolt so that the head rotates on the body when the bolt is in a locked position. The bolt also includes a latching device which is capable of attaching the head of the bolt to the body of the bolt so that the head and body may be rotated together. The bolt also contains a receiving coil capable of receiving energy and data from the transmitting coil of the key through magnetic coupling. The bolt contains a memory device for storing security codes and energy storage device. The bolt is operated by a microcontroller.
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Beckstead Donal O.
Falkenstein Kent C.
Kilman, deceased John
Myers Phillip L.
Gall Lloyd A.
Kilman Electriloc Company
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