Locks – Operating mechanism – Using a powered device
Patent
1987-01-20
1991-04-02
Smith, Gary L.
Locks
Operating mechanism
Using a powered device
70408, E05B 4700
Patent
active
050038010
ABSTRACT:
An improved key and lock assembly in which an electronically coded circuit is embedded in the handle of a conventional key and at least one electrical terminal extends from the handle adjacent to and electrically isolated from the key shank so as to contact a similarly located and biased terminal on the lock assembly when the key is fully inserted therein.
REFERENCES:
patent: 2105304 (1938-01-01), Wagner
patent: 3136307 (1964-06-01), Richard
patent: 3283550 (1966-11-01), Bradway
patent: 3347072 (1967-10-01), Rose
patent: 3392559 (1968-07-01), Hedin et al.
patent: 3599454 (1971-08-01), Hill et al.
patent: 3639906 (1972-02-01), Tritach
patent: 3660624 (1972-05-01), Bell
patent: 3660831 (1972-05-01), Nicola et al.
patent: 4148372 (1979-04-01), Schroeder
patent: 4176782 (1979-12-01), Fukuda et al.
patent: 4192400 (1980-03-01), McEwan
patent: 4200227 (1980-04-01), Lemelson
patent: 4205325 (1980-05-01), Haygood et al.
patent: 4250533 (1981-02-01), Nelson
patent: 4267494 (1981-05-01), Matsuoka et al.
patent: 4291237 (1981-09-01), Kitano
patent: 4297569 (1981-10-01), Flies
patent: 4298792 (1981-11-01), Granholm et al.
patent: 4326125 (1982-04-01), Flies
patent: 4327353 (1982-04-01), Beard et al.
patent: 4366466 (1982-12-01), Lutz
patent: 4415893 (1983-11-01), Roland et al.
patent: 4420794 (1983-12-01), Anderson
patent: 4435649 (1984-03-01), Vandigriff
patent: 4436993 (1984-03-01), Flies
patent: 4438426 (1984-03-01), Adkins
patent: 4507944 (1985-04-01), Widen et al.
patent: 4663952 (1987-05-01), Gelhard
patent: 4712398 (1987-12-01), Clarkson et al.
Calvas George T.
McNamara David A.
Stinar Robert P.
Dino Suzanne L.
Ford Motor Company
Godwin Jr. Paul K.
Sadler Clifford L.
Smith Gary L.
LandOfFree
Programmable key and improved lock assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Programmable key and improved lock assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Programmable key and improved lock assembly will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-320278