Paste dispenser for collapsible tubes

Claim 1

A PASTE DISPENSER FOR A COLLAPSIBLE TUBE, COMPRISING: A CASING HAVING AN OPEN END AND SURROUNDING WALLS, A COVER PLATE REMOVABLY ENGAGED IN SAID OPEN END, SAID COVER PLATE HAVING A TUBE NECK RECEIVING DISCHARGE PORT EXTENDING THERETHROUGH, AND VALVING MEANS MOUNTED ON SAID COVER PLATE FOR OPENING AND CLOSING SAID PORT, SAID PORT COMPRISING A NIPPLE EXTENDING LATERALLY FROM THE COVER PLATE AND A BORE EXTENDING THROUGH THE NIPPLE AND THE COVER PLATE AND HAVING A THREADED SOCKET TO RECEIVE AND THREADABLY CONNECT A TUBE NECK TO THE COVER PLATE, SAID VALVING MEANS COMPRISING A PAN-SHAPED ROTOR LOCATED AT THE OUTER SIDE OF AND AXIALLY JOURNALLED ON THE COVER PLATE ON AN AXIS AT ONE SIDE OF SAID NIPPLE, SAID ROTOR HAVING A BOTTOM WALL SLIDABLY ENGAGED WITH THE OUTER END OF THE NIPPLE, SAID BOTTOM WALL HAVING AN ARCUATE DISPENSING SLOT REGISTRABLE AT TIMES WITH THE NIPPLE FOR DISPENSING PASTE FROM THE DISPENSER, AND MEANS FOR TURNING THE ROTOR FROM A STARTING POSITION IN WHICH ITS BOTTOM WALL CLOSES THE OUTER END OF THE NIPPLE AND A FINISHING POSITION IN WHICH SAID DISPENSING SLOT IS REGISTERED WITH THE NIPPLE, AND RETURN SPRING MEANS FOR ROTATING SAID ROTOR FROM A FINISHING POSITION TO ITS STARTING POSITION AND FOR RESISTING ROTATION OF THE ROTOR FROM ITS STARTING POSITION TO A FINISHING POSITION, AND RELEASABLE DETENT MEANS ON SAID COVER PLATE FOR LOCKING THE ROTOR IN ITS STARTING POSITION, SAID ROTOR HAVING A SIDE WALL PROVIDED WITH A CIRCUMFERENTIAL DETENT SLOT WHICH IS A PART OF SAID DETENT MEANS, SAID DETENT MEANS FURTHER COMPRISING A DETENT HOOK PIVOTED ON THE COVER PLATE AT ONE SIDE OF THE ROTOR AND ENGAGEABLE IN THE DETENT SLOT ONLY IN THE STARTING POSITION OF THE ROTOR, AND ACTUATING SPRING MEANS URGING SAID HOOK TOWARD THE ROTOR, A ROTOR ROTATING SHOE EXTENDING LATERALLY FROM THE ROTOR AT THE SIDE THEREOF REMOTE FROM SAID DETENT HOOK IN THE STARTING POSITION OF THE ROTOR, SAID SHOE HAVING A SURFACE AND A LATERAL SHOULDER AT ONE END OF THE SURFACE, AND SAID DETENT HOOK HAVING A LATERAL WING THEREON, IN COMBINATION WITH A TOOTHBRUSH HAVING AN ELONGATED BODY HAVING A FORWARD END AND BRISTLES ON THE BODY EXTENDING TOWARD THE DISPENSING SLOT OF THE ROTOR, THE FORWARD END OF THE TOOTHBRUSH BODY HAVING A SIDE LATERALLY ENGAGED WITH SAID SHOE SURFACE WITH ITS FORWARD END AGAINST SAID SHOULDER, SAID BODY HAVING AN OPPOSITE SIDE ENGAGED WITH SAID DETENT HOOK WING.