Stamps

Claim 1

A SELF-INKING HAND STAMP HAVING A FRAME AND AN UPWARDLY BIASED PLUNGER, SAID FRAME INCLUDING TWO DOWNWARDLY EXTENDING END PORTIONS, INWARDLY FACING OPPOSED IDENTICAL ERECT T-SHAPED SLOTS IN SAID DOWNWARDLY EXTENDING END PORTIONS, AN INK PAD HAVING ITS INKING FACE LYING IN A VERTICAL PLANE WHEN THE HAND STAMP IS IN USE ON A HORIZONTAL SURFACE AND POSITIONED AT THE REAR OF SAID FRAME OPPOSITE ONE END OF THE ARMS OF SAID T-SHAPED SLOTS, A PRINTING PLATE HOLDER, A PRINTING PLATE MOUNTED IN SAID PRINTING PLATE HOLDER, SAID PRINGING PLATE AND HOLDER, WHEN IN PRINTING POSITION, BEING POSITIONED AT THE BOTTOM OF THE STEM OF SAID T-SHAPED SLOTS AND HAVING SAID PRINTING PLATE PRESENTED DOWNWARDLY, TWO STUDS MOUNTED ABOVE SAID PRINTING PLATE HOLDER AT EACH END OF SAID PRINTING PLATE HOLDER AND RIGIDLY SECURED THERETO THAT LIE, WHEN SAID PRINTING PLATE HOLDER IN INS PRINTING POSITION, IN THE STEMS OF SAID T-SHAPED SLOTS, THE UPPER OF SAID STUDS BEING FREE TO SLIDE IN SAID T-SHAPED SLOTS, WEDGE GUIDE MEANS MOUNTED WITHIN SAID FRAME ON SAID UPWARDLY BIASED PLUNGER TO MOVE VERTICALLY THEREWITH, SAID WEDGE GUIDE MEANS BEING PROVIDED WITH A WEDGE SLOT LYING AT AN ANGLE TO THE STEM OF SAID T-SHAPED SLOT, THE UPPER END OF SAID WEDGE SLOT LYING IN THE VERTICAL PLANE OF THE STEMS OF SAID T-SHAPED SLOTS AND EXTENDING DOWNWARDLY AND REARWARDLY THEREFROM, THE LOWER OF SAID STUDS OF EACH SAID TWO STUDS BEING ENGAGED IN SAID WEDGE SLOT WHEREBY, UPON RECIPROCATION OF SAID BIASED PLUNGER, SAID PRINTING PLATE WILL BE MOVED BETWEEN A PRINTING POSITION WHEN SAID PLUNGER IS FULLY DEPRESSED AGAINST SAID BIAS AND A NORMAL POSITION WITH SAID PRINTING PLATE AGAINST SAID INK PAD.