SECRET BLOCK FOR WING-KEY LOCK Russian patent published in 2009 - IPC E05B25/00 

FIELD: construction.

SUBSTANCE: invention is related to locks with plate stops that move during key turn and that follow bar motion, and may be used for production of commodity locks in mortise and add-on versions, both for doors of increased strength. Unit comprises sides of bar that moves from key turn with recesses for interaction with key bits on one of side facets. Set of wing-keys with identical lock windows and code combinations on side facets parallel to direction of bar motion and separated by fixed plates is installed between sides on pair of guide columns, and this set is movable in perpendicular direction. Plates are arranged in the form of gaskets installed between adjacent wing-keys on every guide column. Both guide columns are rigidly fixed between sides of bar on different sides of recesses for interaction with key bits. Edges of bar sides that are opposite to recesses for key bits are arranged as bent towards each other. Bracket-like plate spring common for the set is installed between bends and wing-key set facets inverted to them.

EFFECT: simplification of item design, improvement of its production technology and considerable increase of reliability indices.

3 dwg