Patent ID: 6872177

Claim:
A card creasing device comprising: a base plate having a top side, the top side having a half-fold crease line depression; the base plate hingedly connected to a first plate at a bottom side edge of the first plate; the first plate further having a top side and a bottom side, the bottom side having a half fold crease blade that is insertable into the half-fold crease line depression of the base plate when the first plate rests on the base plate; the top side of the first plate having two intersecting quarter-fold crease line depressions; the first plate being hingedly connected to a second plate at a top side edge of the first plate and a bottom side edge of the second plate; the second plate further having a top side and a bottom side; the bottom side having two intersecting quarter-fold crease blades that are insertable into the two intersecting quarter-fold crease line depressions of the top side of the first plate when the second plate rests on the first plate; the top side of the second plate having two tri-fold crease line depressions; the second plate being hingedly connected to a third plate at a top side edge of the second plate and a bottom side edge of the third plate; and, the third plate further having a top side and a bottom side; the bottom side having two tri-fold crease blades that are insertable into the two tri-fold crease line depressions on the top side of the second plate when the third plate rests on the second plate.