Reversible flat key for cylinder locks

Details Reversible flat key for cylinder locks Reversible flat key for cylinder locks

1977-12-12

1978-09-26

Wolfe, Robert L.

Locks

Operating mechanism

Key

70406, 70409, E05B 1904, E05B 2706

Patent

active

041160258

ABSTRACT:
A reversible flat key for cylinder locks having recesses arranged in opposite wide faces of the key for arranging the tumbler pins in the proper position and having lead-in bevels in the region of the tip of the key, which lead-in bevels lie in alignment with the respective row of recesses and each of which runs down obliquely into the respective opposite wide face of the key. Each lead-in bevel runs out into the rear face of the rib projecting up above the wide face of the key and carrying the recesses and at least one recess has a greater depth than the height of the rib.

REFERENCES:
patent: 3742744 (1973-07-01), Lumme
patent: 3974670 (1976-08-01), Wolter

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