Locking device and reversible key

Details Locking device and reversible key Locking device and reversible key

1989-07-31

1990-10-23

Wolfe, Robert L.

Locks

Operating mechanism

Key

70358, 70409, E05B 1904

Patent

active

049642880

ABSTRACT:
A locking device comprises a lock cylinder and a reversible flat key having indentations located on opposite broad faces of the key for the arrangement of tumbler pins, and having a rib associated with each row of indentations, into the sectional area of which at least one of the pins extends and the crest of which rib projects beyond the broad face of the key. The deepest reached indentation lies nearest to the crest of the rib and several indentations of a row of indentations are integrated into a through groove of variable depth levels.

REFERENCES:
patent: 3393542 (1968-07-01), Crepinsek
patent: 3412588 (1968-11-01), Schwegler
patent: 4116025 (1978-09-01), Wolter
patent: 4612787 (1986-09-01), Prunbauer

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