An oral care system, such as a toothbrush having a detachable dispenser containing an oral care material. In one embodiment, the dispenser may include a housing; an internal reservoir for containing a fluid and a dispensing orifice for dispensing the fluid; a first cam surface, the first cam surface
An oral care system, such as a toothbrush having a detachable dispenser containing an oral care material. In one embodiment, the dispenser may include a housing; an internal reservoir for containing a fluid and a dispensing orifice for dispensing the fluid; a first cam surface, the first cam surface being non-rotatable with respect to the housing; a reciprocator comprising an actuator, a drive screw, and a second cam surface, the reciprocator being rotatable with respect to the housing; an elevator forming a transverse end wall of the reservoir, the elevator being non-rotatable with respect to the housing and threadily coupled to the drive screw; wherein rotation of the actuator causes the elevator to (1) axially advance, and (2) axially reciprocate.
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1. An oral care system comprising: a toothbrush; anda dispenser detachably coupled to the toothbrush, the dispenser comprising: a housing having a longitudinal axis and an internal reservoir for containing a fluid;a dispensing orifice in the housing for dispensing the fluid from the reservoir;a coll
1. An oral care system comprising: a toothbrush; anda dispenser detachably coupled to the toothbrush, the dispenser comprising: a housing having a longitudinal axis and an internal reservoir for containing a fluid;a dispensing orifice in the housing for dispensing the fluid from the reservoir;a collar within the housing, the collar comprising an axial passageway and a cam surface, the collar being non-rotatable with respect to the housing;a reciprocator comprising an actuator, a drive screw extending through the axial passageway of the collar, and a cam surface, the reciprocator being rotatable with respect to the housing;a resilient member that axially biases the cam surface of the reciprocator and the cam surface of the collar into mating contact;an elevator forming an end wall of the reservoir, the elevator being non-rotatable with respect to the housing and threadily coupled to the drive screw; andwherein rotation of the actuator causes the elevator to (1) axially advance along the drive screw in a first axial direction due to relative rotation between the drive screw and the elevator, and (2) axially reciprocate due to relative rotation between the cam surface of the collar and the cam surface of the reciprocator. 2. The oral care system according to claim 1 wherein the dispenser further comprises an extension member having a first end coupled to the elevator and a second end threadily coupled to the drive screw, the extension member being non-rotatable with respect to the housing and threadily coupling the elevator to the drive screw, and wherein the axial advancement of the elevator along the drive screw is due to relative rotation between the drive screw and the extension member. 3. The oral care system according to claim 1 wherein the drive screw does not penetrate through the elevator to extend into the reservoir when the elevator is in a fully retracted position. 4. The oral care system according to claim 1 wherein the cam surface of the reciprocator is located on a flanged base portion of the drive screw. 5. The oral care system according to claim 1 wherein the mating contact between the cam surface of the reciprocator and the cam surface of the collar prevents the reciprocator from being uncoupled from the housing. 6. The oral care system according to claim 1 wherein the dispenser further comprises an applicator coupled to a distal end of the housing, the applicator comprising an aperture in fluid communication with the dispensing orifice. 7. The oral care system according to claim 6 wherein the applicator is formed of an elastomeric material. 8. The oral care system according to claim 1 wherein the resilient member is positioned between the actuator of the reciprocator and the collar, the resilient member exerting an axial force on the reciprocator in a second axial direction opposite the first axial direction. 9. The oral care system according to claim 1 wherein the resilient member comprises at least one prong extending from the actuator, the prong integrally formed as part of the reciprocator. 10. The oral care system according to claim 1 wherein the actuator, the drive screw, and the resilient member are integrally formed to form the reciprocator. 11. The oral care system according to claim 1 wherein the elevator comprises a base portion and a plug portion protruding from the base portion, a portion of the drive screw nesting within the plug portion of the elevator when the elevator is in a fully retracted position. 12. The oral care system according to claim 11 wherein the plug portion of the elevator extends into a section of the reservoir having a reduced transverse cross-sectional area when the elevator is axially advanced into a fully extended position. 13. The oral care system according to claim 1 wherein the actuator comprises a dial portion protruding axially from a proximal end of the housing. 14. The oral care system according to claim 1 wherein the dispenser further comprises a removable cap coupled to the housing, the removable cap comprising an axial plug that inserts into and seals the dispensing orifice. 15. The oral care system according to claim 1 wherein the dispenser further comprises an anti-rotation sleeve connected to the elevator that prevents the elevator from rotating relative to the housing. 16. The oral care system according to claim 1 wherein the reciprocator further comprises a stopper plate that prevents over-insertion of the reciprocator through the axial passageway of the collar. 17. An oral care system comprising: a toothbrush; anda dispenser detachably coupled to the toothbrush, the dispenser comprising: a housing forming an internal cavity extending along a longitudinal axis;an elevator disposed within the internal cavity that hermetically separates the internal cavity into a reservoir for containing a fluid and a chamber, the elevator comprising an outer surface forming an end wall of the reservoir and an inner surface forming an end wall of the chamber, the elevator being non-rotatable with respect to the housing;a dispensing orifice in the housing for dispensing the fluid from the reservoir;an actuator;a drive screw in the chamber and operably coupled to the actuator, the drive screw and the actuator being rotatable with respect to the housing, wherein the drive screw does not penetrate through the outer surface of the elevator into the reservoir; andan extension member having a first end coupled to the elevator and a second end threadily coupled to the drive screw, the extension member being non-rotatable with respect to the housing; andwherein rotation of the actuator causes the elevator to axially advance along the drive screw in a first axial direction due to relative rotation between the drive screw and the extension member. 18. The oral care system according to claim 17 wherein the elevator comprises a base portion and a plug portion protruding from the base portion, a portion of the drive screw nesting within the plug portion of the elevator when the elevator is in a fully retracted position. 19. The oral care system according to claim 18 wherein the plug portion of the elevator extends into a section of the reservoir having a reduced transverse cross-section when the elevator is axially advanced into a fully extended position. 20. The oral care system according to claim 17 wherein the elevator comprises an annular groove formed in the inner surface, the first end of the extension member disposed within the annular groove. 21. The oral care system according to claim 17 wherein when the elevator is in a fully retracted position, the second end of the extension member is threadily coupled to a base portion of the drive screw and the elevator covers a distal end of the drive screw. 22. The oral care system according to claim 17 wherein the extension member is a sleeve forming an axial passageway, the drive screw extending through the axial passageway of the extension sleeve. 23. The oral care system according to claim 17 wherein the dispenser further comprises: a collar within the housing, the collar comprising an axial passageway and an upper cam surface, the collar being non-rotatable with respect to the housing;the drive screw comprising a lower cam surface;a resilient member that axially biases the cam surface of the drive screw and the cam surface of the collar into mating contact;wherein rotation of the actuator further causes the elevator to axially reciprocate due to relative rotation between the cam surface of the collar and the cam surface of the drive screw. 24. The oral care system according to claim 23 wherein the resilient member is positioned between the actuator of the reciprocator and the collar, the resilient member exerting an axial force on the reciprocator in a second axial direction opposite the first axial direction. 25. The oral care system according to claim 17 wherein the resilient member comprises at least one prong extending from the actuator. 26. The oral care system according to claim 17 wherein the actuator, the drive screw, and the prong are an integrally formed structure. 27. An oral care system comprising: a toothbrush; anda dispenser detachably coupled to the toothbrush, the dispenser comprising: a housing having a longitudinal axis and an internal reservoir for containing a fluid;a dispensing orifice in the housing for dispensing the fluid from the reservoir;a first cam surface within the housing, the first cam surface being non-rotatable with respect to the housing;a reciprocator comprising an actuator, a drive screw, and a second cam surface, the reciprocator being rotatable with respect to the housing;a resilient member that axially biases the second cam surface and the cam surface of the collar into mating contact, wherein the mating contact between the first cam surface and the second cam surface prevents the reciprocator from being uncoupled from the housing;an elevator forming an end wall of the reservoir, the elevator being non-rotatable with respect to the housing and threadily coupled to the drive screw;wherein rotation of the actuator causes the elevator to (1) axially advance along the drive screw in a first axial direction due to relative rotation between the drive screw and the elevator, and (2) axially reciprocate due to relative rotation between the first cam surface and the second cam surface. 28. The oral care system according to claim 27 wherein the dispenser further comprises an extension member having a first end coupled to the elevator and a second end threadily coupled to the drive screw, the extension member being non-rotatable with respect to the housing and threadily coupling the elevator to the drive screw, and wherein the axial advancement of the elevator along the drive screw is due to relative rotation between the drive screw and the extension member. 29. The oral care system according to claim 27 wherein the drive screw does not penetrate through the elevator to extend into the reservoir. 30. The oral care system according to claim 27 wherein the drive screw extends through an axial passageway circumferentially surrounded by the first cam surface, the second cam surface of the reciprocator located on a flanged base portion of the drive screw. 31. The oral care system according to claim 27 wherein the resilient member exerts an axial force on the reciprocator in a second axial direction opposite the first axial direction. 32. The oral care system according to claim 27 wherein the resilient member comprises at least one prong extending from the actuator, the prong integrally formed with the reciprocator. 33. The oral care system according to claim 27 wherein the actuator, the drive screw, and the resilient member are integrally formed to form the reciprocator. 34. An oral care system comprising: a toothbrush; anda dispenser detachably coupled to the toothbrush, the dispenser comprising: a housing forming an internal cavity extending along a longitudinal axis;an elevator disposed within the internal cavity that hermetically separates the internal cavity into a reservoir for containing a fluid and a chamber, the elevator comprising an outer surface forming an end wall of the reservoir and an inner surface forming an end wall of the chamber, the elevator being non-rotatable with respect to the housing;a dispensing orifice in the housing for dispensing the fluid from the reservoir;an actuator;a drive screw in the chamber and operably coupled to the actuator, the drive screw and the actuator being rotatable with respect to the housing, wherein the drive screw does not penetrate through the outer surface of the elevator into the reservoir when the elevator is in a fully retracted position; andthe elevator operbaly coupled to the drive screw so that rotation of the actuator causes the elevator to axially advance along the drive screw in a first axial direction due to relative rotation between the drive screw and the elevator.
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