Patent ID: 6915575

Claim:
A cutting tool, comprising two elongated members hinged around an axis (A), wherein each member is provided with an actuating arm and a cutting edge, wherein the cutting edges of the two elongated members face each other so as to reciprocally co-operate for cutting when they are moved towards one another by the action of approach on the actuating arms, also comprising elastic means for biasing the elongated members towards a diverging condition in which the two actuating arms and the two cutting edges are spaced from one another, and a retainer holding the elongated members in a closed condition, in contrast with the elastic means, said cutting tool further comprising: the retainer comprises a threaded pin, the threaded pin being adjustably inserted in screwing engagement into a threaded hole formed into a first of the two elongated members, and the threaded pin having a manually actuable head and with an end opposed to the head, in front contact engagement in a retaining seat formed into the second of the two elongated members; and wherein the retaining seat is a groove linearly extending as an arc, the groove having an inclined bottom so as to have a variable depth between a maximum, at one of its end portions that is positioned in front of the threaded hole when the elongated members are in a closed condition, and a minimum, at one of its end portions that is positioned in front of the threaded hole when the elongated members are in a completely diverging condition.