Patent ID: 8230782

Claim:
A stamp die assembly for a self-inking stamping device comprising: a die bracket having a seat; two side transverse tabs formed on a top surface respectively on two side edges of the seat; a transverse recess formed through the seat on a front edge of the seat; two clips formed on the top surface of the seat, formed respectively on opposite sides of the transverse recess and each has a keyed recess formed in the clip close to the transverse recess, wherein the keyed recesses face each other; a fastener bracket formed on a back edge of the seat and having a slot formed through the fastener bracket; and two elongated keyed protrusions formed separately on a bottom surface of the seat, formed respectively near the side edges of the seat and being parallel with each other; and a replaceable stamp die mounted detachably on the die bracket and having a die block attached to the bottom surface of the seat and having a top surface facing the bottom surface of the seat; a patterned surface opposite to the seat; a front edge; a back edge; and two guiding channels formed separately in the top surface of the die block, formed respectively near the side edges of the die block and respectively engaging with the keyed protrusions of the die bracket, and each having at least one end opening; a fastener formed on the back edge of the die block and extending through the slot of the fastener bracket in the die bracket; a median tab formed on the top surface of the die block, mounted inside the transverse recess and having a top end; and a resilient plug formed on the top end of the median tab, mounted between the clips and having a longitudinal tab formed on the top end of the median tab and having two sides; two side curved tabs formed respectively on the sides of the longitudinal tab, urging respectively against the clips and each having an outer end; two side strips formed respectively on the side curved tabs and engaging respectively inside the recesses of the clips; and a central spine formed on the longitudinal tab between the side curved tabs and having a front end.