METHOD OF KEYHOLE PROTECTION Russian patent published in 2014 - IPC E05B65/00 

FIELD: construction.

SUBSTANCE: in the method of keyhole protection hooks are arranged on the lock, and a protective mechanism is fixed in them, the main part of the mechanism is arranged in the form of a truncated cone or in the form of a body of revolution with an external profile in the form of an arc, and the base is made in the form of a body of revolution with a profile in the form of a rectangle or a trapezoid, and in the middle of the protective mechanism they place a lock mechanism, besides, the protective mechanism is fixed with the help of a lock mechanism with usage of the disc with at least two ledges, besides, fixation of the protective mechanism in the hooks happens so that access is closed to the keyhole and hooks, and the body closes access to the disc with ledges and fixtures of hooks at the side of the lock mechanism, as a result of which the protective mechanism and bases of hooks form a single body.

EFFECT: application of the invention makes it possible to simplify installation and replacement of a protective mechanism, and also due to the possibility of removal, when using on vehicles, to eliminate probability of getting additional injuries by a driver or passengers during an accident, besides, due to original design to provide protection of an immobiliser coil.

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