Dental cleaning and massaging device

Claim 1

A DENTAL HYGIENE DEVICE FOR DELIVERING A LIQUID STREAM TO THE TEETH TO CLEAN THE TEETH AND MASSAGE THE GUMS, SAID DEVICE COMPRISING: A SPRING-BIASED VALVE; MEANS FOR SUPPLYING LIQUID TO SAID SPRING-BIASED VALVE; A RIGID PIPE RIGIDLY CONNECTED TO SAID SPRING-BIASED VALVE; A CONTAINER RIGIDLY MOUNTED ON SAID PIPE, THE OUTER END OF SAID RIGID PIPE EXTENDING BEYOND SAID CONTAINER AND BEING CURVED; TWO SPACED OPENINGS IN SAID PIPE FOR ESTABLISHING COMMUNICATION BETWEEN THE INTERIOR OF SAID CONTAINER AND THE INTERIOR OF SAID PIPE, WHEREBY A PORTION OF THE LIQUID FLOWING THROUGH THE PIPE IS DIVERTED THROUGH ONE OF SAID SPACED OPENINGS AND FLOWS INTO THE CONTAINER AND EXERTS PRESSURE ON THE CONTENTS OF THE CONTAINER; MEANS ASSOCIATED WITH THE OTHER OF SAID SPACED OPENINGS FOR EFFECTING A MOVEMENT OF MATERIAL WHILE UNDER SAID PRESSURE FROM SAID CONTAINER INTO SAID PIPE TO MIX WITH THE LIQUID FLOWING THROUGH SAID PIPE; A SEPARATE VALVE FOR SAID OTHER OF SAID SPACED OPENINGS; A NOZZLE RIGIDLY DETACHABLY MOUNTED ON THE CURVED END OF SAID RIGID PIPE, SAID NOZZLE HAVING AN ORIFICE OF A DIAMETER CAPABLE OF FORMING A SOLID STREAM OF LIQUID OF SMALL CROSS SECTION; A CUP-SHAPED ELEMENT OF SOFT RESILIENT MATERIAL MOUNTED ON THE END OF SAID NOZZLE AND EXTENDING THEREBEYOND SUFFICIENTLY TO PREVENT CONTACT OF SAID NOZZLE WITH THE TEETH WHEN SAID CUP-SHAPED ELEMENT IS PLACED AGAINST THE TEETH, SAID CUP-SHAPED ELEMENT BEING IN SURROUNDING RELATION TO THE STREAM OF LIQUID ISSUING FROM SAID NOZZLE, THE INSIDE DIAMETER OF SAID CUPSHAPED ELEMENT BEING LARGER THAN SAID ORIFICE AND STREAM; AND MEANS TO SIMULTANEOUSLY AND INDEPENDENTLY CONTROL WITH ONE HAND BOTH THE VELOCITY OF THE SOLID STREAM ISSUING FROM THE NOZZLE AND THE AMOUNT OF MATERIAL ENTERING THE PIPE FROM THE CONTAINER SO THAT THE AMOUNT OF MATERIAL IN THE STREAM MAY BE VARIED WITHOUT AFFECTING THE VELOCITY OF THE STREAM, SAID CONTROL MEANS INCLUDING A PAIR OF SEPARATE VALVE ACTUATORS, ONE FOR EACH OF SAID SPRING BIASED VALVE AND SAID SEPARATE VALVE, SAID VALVE ACTUATORS BEING CONSTRUCTED AND POSITIONED SUFFICIENTLY CLOSE TO EACH OTHER TO ENABLE AN OPERATOR TO ACTUATE BOTH OF SAID VALVES SIMULTANEOUSLY BUT INDEPENDENTLY WITH ONE HAND; WHEREBY THE PIPE MAY BE GRASPED WITH ONE HAND AND THE TWO VALVES MAY BE SIMULTANEOUSLY BUT INDIVIDUALLY CONTROLLED WITH THE SAME HAND BY THE OPERATOR DURING THE FLOW OF LIQUID FROM THE NOZZLE TO DETERMINE THE VELOCITY OF THE STREAM ISSUING FROM THE NOZZLE INDEPENDENTLY OF THE AMOUNT OF MATERIAL ENTERING THE PIPE FROM THE CONTAINER AND TO VARY THE AMOUNT OF MATERIAL ENTERING THE PIPE FROM THE CONTAINER INDEPENDENTLY OF THE VELOCITY OF THE STREAM ISSUING FROM THE NOZZLE AND WHILE THE CUP-SHAPED ELEMENT IS BEING MOVED IN CONTACT WITH THE TEETH WITH THE SAME HAND.