Mobile structure for working with computer equipment couplable to slanting chairs

A mobile structure for working or using computer equipment or other electronic devices couplable to slanting chairs or armchairs, the mobile structure comprising:

• a mobile arm (2) having a distal end (21) and a proximal end (22), the proximal end (22) being coupled to a slanting chair or armchair (4);
• a support (3) attached to the distal end (21) of said mobile arm (2), said support (3) configured to incorporate different elements of a computer or electronic equipment;
• and
• a moving mechanism (5) attached to the proximal end (22) of the mobile arm (2), wherein said moving mechanism (5) is a pawl mechanism comprising a gearwheel (50) and a locking finger (53), the pawl mechanism operated by hand by a crank (52), a spring (54) associated with said locking finger (53) to keep said locking finger (53) interlocking with said gearwheel (50) and wherein operation of said moving mechanism (5) rotatably moves said mobile arm (2) jointly with said support (3) to change the position of said mobile arm (2) with respect to a seat of the chair (4) between at least two positions of use in accordance with an upright position of the chair (4) and a slanted position of the chair (4).