Patent ID: 7637576
Filing Date: 2009-12-29
Classification: E05B

Abstract:
1. A blocking system for a file cabinet having multiple drawers comprising: a) a pull shaft provided on a drawer guide for each drawer of the multiple drawers b) a support platen for fastening to the file cabinet for each drawer of the multiple drawers each support platen having a groove-rail with at least a first section and a second section forming an angle with each other; c) a mobile blocking element engaged with the groove-rail for each support platen, each blocking element provided with two emerging bolts that move linearly within the groove-rail, wherein the two emerging bolts are arranged with a distance in between to accommodate the pull shaft; d) two mobile arms aligned vertically with each other with two meeting ends, one of the two meeting ends having an end ramp, said mobile arms are movably installed on a vertical rail on each of the support platen, which can move linearly on the vertical rail with a maximum amplitude; wherein the mobile blocking element is pulled by the pull shaft under the end ramp and placed between the meeting ends of the two mobile arms for opening one drawer and for preventing all other drawers from being opened.