Patent ID: 8015931
Filing Date: 2011-09-13
Classification: A47B,Y10T

Abstract:
1. A shelving unit, comprising: a support frame including: a front support bracket having four corners; a back board located opposite to the front support bracket and having four corners; four first connecting tubes each having a first end pivotally connected with a respective one of the four corners of the front support bracket; four second connecting tubes each having a first end pivotally connected with a second end of a respective one of the first connecting tubes and a second end pivotally connected with a respective one of the four corners of the back board; wherein the support frame further includes: four hinges pivotally mounted between the second end of a respective one of the first connecting tubes and the first end of a respective one of the second connecting tubes; each of the hinges includes: a first leaf secured in the second end of the respective first connecting tube; a second leaf pivotally connected with the first leaf and secured in the first end of the respective second connecting tube; the second end of each of the first connecting tubes has a sidewall provided with at least one first screw hole; the first end of each of the second connecting tubes has a sidewall provided with at least one second screw hole; the first leaf of each of the hinges is provided with at least one first through hole; the second leaf of each of the hinges is provided with at least one second through hole; the support frame further includes: at least four first locking screws each extending through the first through hole of a respective one of the hinges and each screwed into the first screw hole of a respective one of the first connecting tubes to lock the first leaf of the respective hinge in the second end of the respective first connecting tube; at least four second locking screws each extending through the second through hole of a respective one of the hinges and each screwed into the second screw hole of a respective one of the second connecting tubes to lock the second leaf of the respective hinge in the first end of the respective second connecting tube.