Locks – Operating mechanism – Key
Patent
1996-01-18
1997-11-18
Dino, Suzanne
Locks
Operating mechanism
Key
70377, 70358, 70407, E05B 2700
Patent
active
056875940
ABSTRACT:
A lock and key combination including a lock cylinder made by connecting a plurality of locking pieces in a stack, each locking piece including a base, which has a top recess at the top side, a front recess, keyway in the middle of the front recess, and a plurality of receiving chambers disposed in the front recess at two opposite sides by the keyway, a plurality of retainer elements mounted in the receiving chambers and forced by a respective spring toward the keyway and having a respective lug at one side, an actuating plate mounted within the front recess of the base, having a projecting locating plate at the top inserted into the top recess of the base and forced upwards by a spring, and a plurality of T-shaped control slots which receive the lugs of the retainer elements, and a cover fastened to the base by hooks and cover over the actuating plate, wherein when the lugs of the retainer elements are moved to the unlocking position by the key, the projecting locating plate is forced into the top recess of the base and released from the casing of the lock which holds the lock cylinder on the inside, permitting the lock cylinder to be unlocked upon a rotary motion of the key.
REFERENCES:
patent: 2004433 (1935-06-01), Fitzgerald
patent: 2070233 (1937-02-01), Liss
patent: 2212262 (1940-08-01), Busche
patent: 3208248 (1965-09-01), Tornoe
patent: 3475933 (1969-11-01), Kobrehel
patent: 3877267 (1975-04-01), Harris, Jr.
patent: 3990282 (1976-11-01), Sorum
patent: 4015458 (1977-04-01), Mercurio
patent: 4073171 (1978-02-01), Moorhouse
patent: 4404824 (1983-09-01), Hennessy
patent: 4446709 (1984-05-01), Steinbach
patent: 4512166 (1985-04-01), Dunphy et al.
patent: 4524593 (1985-06-01), Hennessy
patent: 4966021 (1990-10-01), Boag
patent: 5052205 (1991-10-01), Poli
patent: 5131249 (1992-07-01), Baden et al.
patent: 5168734 (1992-12-01), Duval et al.
patent: 5349830 (1994-09-01), Keller
patent: 5438857 (1995-08-01), Kleinhaeny
patent: 5475998 (1995-12-01), Raskevicius et al.
LandOfFree
Lock and key combination with changeable combination of locking does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Lock and key combination with changeable combination of locking , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lock and key combination with changeable combination of locking will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1557752