Blender rotor

Claim 1

A BLENDER ROTOR COMPRISING A HORIZONTALLY DISPOSED, CIRCULAR DISC HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED RADIAL SLOTS EXTENDING OUTWARDLY FROM POINTS SPACED FROM THE CENTER AND OPENING TO THE PERIPHERAL EDGE OF THE DISC, A PAIR OF BLADES FORMED BY BENDING OPPOSITE SIDES OF EACH SLOT TO ANGLE OUT OF HE PLANE OF THE DISC TOWARD THE UPPER AND LOWER SIDES OF THE DISC REPECTIVELY, EACH SAID BLADE BEING CUP-SHAPED AND CURVED IN TWO DIRECTIONS AT RIGHT ANGLES TO ONE ANOTHER AND HAVING A PERIPHERAL SHAPE CORRESPONDING SUBSTANTIALLY TO A SPHERICAL TRIANGLE WHOSE BASE COINCIDES WITH THE PERIPHERAL EDGE OF THE DISC, EACH SAID TRIANGULAR BLADE HAVING AN ALTITUDE SIDE WHICH IS A CONTINUATION OF THE RELATED SIDE OF THE SLOT FROM WHICH IT IS BENT, AND AN ARCUATE HYPOTENUSE WHICH IS FARED INTO THE RELATED SIDE OF THE DISC, THE BLADE FROMED ON ONE SIDE OF A SLOT HAVING A CONVEX UPPER SURFACE AND A CONCAVE LOWER SURFACE, WHILE THE BLADE FORMED ON THE OPPOSITE SIDE OF THE SAME SLOT HAS A CONCAVE UPPER SURFACE AND A CONVEX LOWER SURFACE, THE HYPOTENUSE SIDE OF ONE BLADE OF EACH OF SAID PAIR OF BLADES BEING INTEGRALLY CONNECTED TO THE HYPOTENUSE SIDE OF THE OTHER AND ADJACENT BLADE OF THE PAIR OF BLADES FORMED AT THE ADJACENT SLOT BY SAID FARED PORTIONS AND A SMALL CONNECTED FLAT PORTION OF THE DISC, ALL OF SAID BLADES AND THE ENTIRE DISC BEING CONTINUOUS AND FREE OF APERTURES EXCEPT FOR SAID SLOTS AND A CENTRAL OPENING IN THE DISC TO RECEIVE A VERTICAL DRIVE SHAFT.