Key lock with key isolation

Details Key lock with key isolation Key lock with key isolation

1985-11-08

1986-07-15

Smith, Gary L.

Locks

Operating mechanism

Key

70419, E05B 2902

Patent

active

045998779

ABSTRACT:
This specification describes a lock where a key sets a multiplicity of elements such as disks, levers or others. After setting the elements, the key and the key slot (through which the key enters the lock) is moved out of contact with the elements and is subsequently completely isolated from them. The fence or any other component that co-acts with the previously set elements to open the lock cannot be brought into contact with them until the above isolating action has been completed.

REFERENCES:
patent: 180255 (1976-07-01), Miller
patent: 412867 (1889-10-01), Williams
patent: 412997 (1889-10-01), Taylor
patent: 473857 (1892-04-01), Smith
patent: 615206 (1898-11-01), Babcock
patent: 1702430 (1929-02-01), Fremon
patent: 1904882 (1933-04-01), Prior, Jr.
patent: 2179947 (1939-11-01), Miller
patent: 2528964 (1950-11-01), Lurtz
patent: 2696727 (1954-12-01), Schlabach
patent: 3172283 (1965-03-01), Rabinow
patent: 3367155 (1968-02-01), Kobrehel
patent: 3367156 (1968-02-01), Johnstone
patent: 4111019 (1978-09-01), Rabinow
patent: 4485648 (1984-12-01), Rabinow

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