member 68 although the sliding member 68 is shown with a cylindrical cross section and the tongue 42 is rectangular in shape the important feature is that the sliding member can slide against the tongue so as to urge the associated bar out of the way thus other shapes and sizes may easily be utilized for these components each drawer has a post 78 which is permanently installed on one side of the drawer so as to sit in the post retaining channel 72 of a corresponding pivot member 58 when the drawer is in a closed position when a drawer is moved towards an open position the post 78 disengages from the post retaining channel 72 of the pivot member 58 and moves out of the cabinet together with the drawer more particularly as the post 78 moves with the drawer it engages the channel wall 76 and thereby urges the pivot member 58 to pivot from its closed position to its open position as shown in phantom in fig4 once a single drawer has been opened the anti tip device prevents further drawers from being opened the device also prevents the simultaneous opening of two or more drawers the manner in which this is accomplished by the illustrated embodiment will.