Multi-color adapted ball point pen

Claim 1

A BALL POINT PEN COMPRISING A HOLLOW BARREL HAVING AN APERTURE IN ITS LOWER END, A FIRST INK TUBE DISPOSED WITHIN SAID HOLLOW BARREL BEING PROVIDED WITH A LOWER BALL POINT, SAID LOWER BALL POINT BEING DISPOSED IN REGISTRY WITH SAID APERTURE IN THE LOWER END OF SAID HOLLOW BARREL, A MOVEABLE CAP HAVING AN APERTURE IN ITS UPPER END DISPOSED ON THE UPPER END OF SAID HOLLOW BARREL, A SECOND INK TUBE DISPOSED WITHIN SAID HOLLOW BARREL AND ALONGSIDE SAID FIRST INK TUBE BEING PROVIDED WITH AN UPPER BALL POINT, SAID UPPER BALL POINT OF SAID SECOND INK TUBE BEING IN REGISTERY WITH THE APERTURE IN SAID MOVEABLE ON SAID SAID MOVEABLE CAP WITH THE APERTURE IN SAID MOVEABLE CAP, BARREL WHEREBY THE DOWNWARD MOVEMENT OF THE CAP EXPOSES THE UPPER BALL POINT OF SAID SECOND INK TUBE THROUGH THE APERTURE IN THE UPPER END OF SAID MOVEABLE CAP AND THE MOVEMENT OF SAID MOVEABLE CAP FURTHER PROJECTS THE LOWER BALL POINT END OF SAID FIRST INK TUBE THROUGH THE APERTURE IN THE LOWER END OF SAID HOLLOW BARREL, AT LEAST ONE MEMBER DISPOSED WITHIN SAID HOLLOW BARREL FOR HOLDING AT LEAST ONE OF SAID INK TUBES LONGITUDINALLY WITHIN SAID HOLLOW BARREL, AND MEANS DISPOSED ON SAID MOVEABLE CAP FOR RELEASABLY LOCKING SAID MOVEABLE CAP IN AND FROM THE POSITIONS OF PROJECTION AND RETRACTION OF THE BALL POINTS THROUGH THE APERTURES.