Automatic system of the tape set for typewriters and the like which is characterized in that the movement of the writing and counter-lever levers connected thereto cause the displacement of a radial axis integral with a set of articulated rods by means of which act on two pieces that, like nails, rest on the teeth of a wheel arranged on the transverse axis, one of which advances one tooth for each pulsation and the other exerts the function of retaining to prevent recoil. (Machine-translation by Google Translate, not legally binding)
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