(57) The invention relates to a hinge for office furniture, in which a lever arm (5) pivoting
                     relative to a fixed pin (9) is locked in a cage (10) fitted to the door (2) of the
                     item of furniture, by means of a snap-engagement system. More specifically, this system comprises a spring (23) made from a steel piano wire
                     mounted on a coupling body (20) having a flattened form which, in turn, is secured
                     to the lever arm. Advantageously, the spring engages with a coupling tooth (19) present on the cage
                     (10), bending in a plane parallel to the coupling body: thus, a hinge is obtained
                     which is easy to assemble and disassemble and which has a reduced thickness.
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