ANTI-TAMPER TUMBLER LOCK Russian patent published in 2018 - IPC E05B15/00 

FIELD: construction.

SUBSTANCE: invention relates to construction, in particular to toggle lock designs. In a tumbler lock with plate tumblers and with a lock bar, next to which, or in a special slot on which there is a side lever that is mounted rotatably on a lateral axis, which is fixed on the housing of the tumbler lock approximately on the horizontal line of the key channel to the left or to the right of the latter, wherein the lateral lever itself, on the top and bottom of the key channel, has axially offset one relative to the other, or on both sides of the centre of the lock bar, upper and lower pushing lever arms, or next to which or in a special groove on which a straight lever is mounted, which is rotatably mounted on a vertical axis which is fixed to the housing of the tumbler lock approximately on the vertical line of the key channel, and the direct lever itself has, offset with respect to the centre of the lock bar, on one side or the both sides, at least two, left and right, pushing lever arms, the novelty is that next to the lock bar or in a special groove there are at least two separate angular levers which are rotatably mounted on at least two separate angular axes which are fixed on the housing of the tumbler lock on lines that pass under an angle, approximately up to 45 ° to the line of the key channel, from below or from above from the latter, each angular lever having at least one pushing lever arm displaceable with respect to the centre of the lock bar on one side.

EFFECT: anti-tamper tumbler lock is disclosed.

3 cl, 7 dwg