Patent ID: 7603948

Claim:
A numbering box for carrying out sequential printing of numerical characters, wherein said numbering box comprises at least six numbering wheels with numbers engraved on the peripheral surface thereof, namely a unit wheel, a 10 th wheel, a 100 th wheel, a 1000 th wheel, a 10000 th wheel and a 100000 th wheel, which numbering wheels are provided with combinations of ratchet and groove profiles on side surfaces thereof, and wherein said numbering wheels are actuated by an actuation lever which cooperates with said combinations of ratchet and groove profiles on the numbering wheels through first and second actuation pawls, said first actuation pawl being a two-teeth actuation pawl that cooperates with ratchet and groove profiles provided on the right side of the unit wheel and of the 10 th wheel, said second actuation pawl being a five-teeth actuation pawl that cooperates with ratchet and groove profiles provided on the left side of the 10 th wheel, 100 th wheel, 1000 th wheel, 10000 th wheel and 100000 th wheel.