Improvements in rotating knob locking mechanisms, to be mounted on a leaf or panel provided with a hole where a rotary bolt driving device can be placed, characterized in that each mechanism is provided with a mounting plate having a bearing or bearing central thereto, means for retaining said mounting plate against said sheet or panel on said hole, a rotating plate, a hub on said rotating plate passing through said support or central bearing, means for limiting the axial movement of said cube in said support opening or bearing, a turning part, and means for coupling the periphery of said turning part with the periphery of said rotating plate. (Machine-translation by Google Translate, not legally binding)
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