Key profile system

Details Key profile system Key profile system

1977-09-28

1978-12-05

Wolfe, Robert L.

Locks

Operating mechanism

Key

70403, 70406, 70411, E05B 1902, E05B 2708

Patent

active

041279964

ABSTRACT:
A key profile system of a disc cylinder lock is disclosed in which system the appropriateness of a certain key profile for use in a lock is determined by the form of a key receiving opening in the actual locking elements of the lock, that is, the locking discs. The system comprises several different key profiles the form of which can be included within the border line of the basic profile of the used key blank. At least one of the key profiles fits functionally into a lock made for another key profile. The system may also include keys or key blanks with at least two different profiles arranged axially one after the other.

REFERENCES:
patent: 1782464 (1930-11-01), Falk

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