Locks – Operating mechanism – Using a powered device
Patent
1995-08-02
1998-10-06
Gall, Lloyd A.
Locks
Operating mechanism
Using a powered device
70283, 70379R, 70380, 70462, E05B 4900
Patent
active
058160833
ABSTRACT:
In one preferred embodiment, an electronic lock, including: an enclosure; a barrel member rotatable between locked and unlocked positions; electronic circuitry disposed within the enclosure; the barrel member including communication apparatus in electrical engagement with key apparatus when the key apparatus is inserted in the barrel apparatus, the communication apparatus transmitting communication signals to and from the key apparatus and the electronic circuitry; first slidable contact apparatus attached to the electronic circuitry and slidable on the communication apparatus as the barrel apparatus rotates to transmit the communication signals to and from the communication apparatus and the electronic circuitry; and the first slidable contact apparatus further serving as part of sensor apparatus to detect the locked and unlocked status of the barrel member. In a further embodiment, there is provided an electronic lock, including: an enclosure; and a barrel member rotatable between locked and unlocked positions, the barrel member being selectively configurable in the field to rotate one of first and second selected degrees of rotation. In yet another embodiment, there is provided a method of monitoring use of an electronic lock, including: storing in memory in the lock information as to who opened the lock, when the lock was opened, and for how long the lock was opened; and subsequently using an audit key to transfer the information from the memory to the audit key.
REFERENCES:
patent: 1487900 (1924-03-01), Teich
patent: 1695518 (1928-12-01), Watson
patent: 2097504 (1937-11-01), Wells
patent: 2105304 (1938-01-01), Wagner
patent: 2475220 (1949-07-01), Chaulk et al.
patent: 3141319 (1964-07-01), Schlage
patent: 4297569 (1981-10-01), Flies
patent: 4358943 (1982-11-01), Ouellet
patent: 4909053 (1990-03-01), Zipf, III et al.
patent: 5152161 (1992-10-01), Lee
patent: 5337588 (1994-08-01), Chhatwal
patent: 5507162 (1996-04-01), Chhatwal
Crozier John H.
Gall Lloyd A.
LandOfFree
Electronic lock system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electronic lock system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electronic lock system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-67929