SELF-COLORING STAMP Russian patent published in 2004 - IPC

FIELD: self-coloring stamp colored as a result of impact action from above.

SUBSTANCE: the stamp has a lower part installed on the surface that is not subject to stamping, stamping cushion which is positioned in a container made for changeable moving in the intake shaft, and a rotary mechanism for the printing plate carrier located in the lower part installed for movement there and back between the stamping cushion and the bed frame with a simultaneous turning. The self-coloring stamp has also a controlling upper part installed for movement relative to the lower part against the spring action. Container (3) of the stamping cushion on its upper side is provided at least with one groove (7) passing in the direction of insertion, the groove receives rib (9) with a geometric locking positioned on the upper side of the intake shaft (8).

EFFECT: prevented use of stamping cushions of a lower quality.

4 cl, 5 dwg