| 摘要 |
A rotary stamp comprises an upper frame including printing members formed on endless belts and a lower frame including another printing member and when the upper frame is pressed down, the printing members of the endless belts are located on a plane common with the other printing member of the lower frame and printing is accomplished simultaneously by these printing members, vertical slots are formed on the side plates of the upper frame and spring means having projections capable of being engaged with these slots and sliding along these vertical slots are disposed in the lower frame. |
