Locking device and reversible key
AssigneeDOM-Sicherheitstechnik GmbH & Co. KG
InventorsPeter B. Braun, Herbert P. Hauser, Alexander Stefanescu
Life of this patent
Estimating the term…
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.
Claims13
A locking device comprising a lock cylinder and a reversible flat key having at least one broad face on each of opposite sides of said key with a row of indentations located on each of said broad faces of said key for the arrangement of tumbler pins, and having a rib on each side of said key and associated with each row of indentations, into the sectional area of which at least one of the pins extends and the crest of which said rib projects beyond said associated broad face of the key, wherein the deepest reaching indentation of said row on one side of said key lies nearest to said crest of said rib which projects beyond said broad face on the opposite side of said key and that several indentations of said row of indentations are integrated into a through groove of variable depth levels.
A reversible flat key having at least one broad face on each of opposite sides of said key with a row of indentations located on each of said broad faces of the key for the arrangement of tumbler pins in a corresponding lock cylinder, and having a rib on each side of said key and associated with each row of indentations, into the sectional area of which at least one of the pins is adapted to extend, and the crest of which rib projects beyond the associated broad face of the key, wherein the deepest reaching indentation lies nearest to said crest of said rib which projects beyond said broad face on the opposite side of said key and several indentations of a row of indentations are integrated into a through groove of variable depth levels.
Dependencies are inferred from the claim text.