A manual capper for crown caps, of the type including a main support, two jaws, arranged symmetrically to the main support, each including a lower portion configured to encircle the neck of the bottle to be capped and an upper portion connectable to handlebars of the lever type, the actuation of which generates the opening and/or closure of the jaws, said capper wherein an actuation thereof in opening and/or in closure induces at least one simultaneous and linear displacement of the upper portion and of a portion of the handlebars, and wherein after the closure of the jaws, means suitable to keep the lower portion movable in a direction parallel to the vertical capping axis operate.
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