Mount device for supporting objects comprising a support device and at least one holding element coupled to the support device and configured for holding said object , the holding element being provided with a cavity arranged to be coupled to the support device and so shaped that the support device is housed into the cavity, the support device comprising at least one support element , an adjusting element placed side by side to the at least one support element and an actuating device coupled to the adjusting element and arranged for being actuated for moving the adjusting element along a translation direction (F) in relation to the at least one support element , the adjusting element and the at least one support element being provided with pushing elements arranged for moving the at least one support element along a clamp direction (F1) transversal to the translation direction (F), the pushing elements being so configured that by translating the adjusting element along the translation direction (F) the width (D) of the support device along the clamp direction (F1) is adjusted so as to clamp/release the at least one holding element to/from said support device , wherein the adjusting element is provided with at least one protrusion extending from the adjusting element toward each of the at least one support element and each of the at least one support element is provided with at least one protruding element protruding from the at least one support element towards the adjusting element , the at least one protrusion and the at least one protruding element forming the pushing elements of the support device , wherein the support device comprises a first support element and a second support element so positioned that the adjusting element is interposed between the first support element and the second support element in the clamp direction (F1) and wherein the adjusting element is provided with at least one protrusion extending from a first lateral wall of the adjusting element facing in use the first support element and with at least one further protrusion extending from a second lateral wall of the adjusting element facing in use the second support element . wherein the adjusting element is provided with at least one protrusion extending from the adjusting element toward each of the at least one support element and each of the at least one support element is provided with at least one protruding element protruding from the at least one support element towards the adjusting element , the at least one protrusion and the at least one protruding element forming the pushing elements of the support device , wherein the support device comprises a first support element and a second support element so positioned that the adjusting element is interposed between the first support element and the second support element in the clamp direction (F1) and wherein the adjusting element is provided with at least one protrusion extending from a first lateral wall of the adjusting element facing in use the first support element and with at least one further protrusion extending from a second lateral wall of the adjusting element facing in use the second support element . <EOS>