Pen removably retaining single use capsule containing tooth whitening compounds, dental bonding compounds and adhesives and removably retaining disposable tooth whitening applicators, disposable dental bonding compound applicators and disposable adhesive applicators

An apparatus for removably retaining a single use cartridge and dispensing a compound from the single use cartridge, comprising:

• a. a single use cartridge having an exterior surface which surrounds an interior circumferential wall surrounding an interior chamber and a rear opening leading to the interior chamber, a compound retained within the interior chamber, a plunger having a front interior surface aligned with the interior chamber and having sidewalls which serve as a seal against the interior circumferential wall to prevent the compound from flowing out of the rear opening, the plunger having a rear pocket, the exterior surface leading to a connecting section extending from a body of the exterior surface to a nozzle having a cylindrical surface extending from the connecting section to a dispensing nozzle tip having threads on an exterior surface of the dispensing nozzle tip and a frangible seal on a front end of the dispensing nozzle tip to retain the compounds in a sealed condition within the interior chamber, a threaded cylindrical sealing cap with an interior surface with threads adjacent the rear of the sealing cap and a front end with an interior chamber having a piercing tooth within the interior which extends inwardly from the front end of the sealing cap, the sealing cap threaded onto the threads of the nozzle tip, and after the sealing cap is unthreaded from the nozzle tip of the cartridge, the piercing tooth is used to penetrate the frangible seal so that the nozzle tip is opened to enable the compounds to be dispensed from the interior of the cartridge;
• b. an operating mechanism for the single chamber cartridge, the operating mechanism placed in a dispensing apparatus and the operating mechanism including a piston which is used to engage the rear pocket of the plunger and a ratchet mechanism which is engaged by a tooth member to move the piston in a forward direction to push the plunger forwardly to dispense the compound from the single use cartridge when the single use cartridge is placed in the dispensing apparatus at a location in front of the piston, the operating mechanism includes a moving ratchet tooth member and housing to engage each ratchet tooth having a vertical wall and a rearwardly slanted top surface by a given amount and the ratchet tooth slides down the slanted top surface until it is adjacent a vertical wall of a next ratchet tooth in a ratchet tooth assembly to move the piston forward;
• and
• c. the dispensing apparatus includes an exterior surface with a rear opening and a front tip dispensing opening and surrounding an interior chamber which receives the ratchet mechanism which also has a resetting bar at its end which extends out the opening in the rear end of the dispensing apparatus so that the entire operating mechanism is be pulled backward in the interior chamber of the dispensing apparatus for the insertion of a fresh single use cartridge after a specific single use cartridge has been used up, the dispensing apparatus includes the interior chamber which contains the operating mechanism where the piston is adjacent an interior opening where the single use cartridge is inserted, the dispensing apparatus includes an interior cylindrical sidewall and an exterior cylindrical wall and an open front through which the front tip of the cartridge extends, and a back pushing member which is used to push the cartridge forward along with the operating mechanism to push the piston forward to enable the piston to move into the pocket against the back of the plunger and dispense the compound through the opening in the nozzle tip of the cartridge.

An apparatus for removably retaining a single use cartridge and dispensing compounds from the single use cartridge, comprising:

• a. a single use cartridge having an exterior surface which surrounds an interior circumferential wall surrounding at least one interior chamber and a rear opening leading to the at least one interior, at least one compound retained within the at least one chamber, a plunger having front interior surfaces aligned with the at least one interior chamber and having sidewalls which serve as a seal against the interior circumferential wall to prevent at least one compound from flowing out of the rear opening, the plunger having at least one pocket, the exterior surface leading to a nozzle having a cylindrical surface extending from the frustum shaped section to a dispensing nozzle tip having threads on an exterior surface of the dispensing nozzle tip and a frangible seal on a front end of the dispensing nozzle tip to retain the at least one compound in a sealed condition within the at least one interior chamber, a threaded cylindrical sealing cap with an interior surface with threads adjacent the rear of the sealing cap and a front end with an interior chamber having a piercing tooth within the interior which extends inwardly from the front end of the sealing cap, the sealing cap threaded onto the threads of the nozzle tip, and after the sealing cap is unthreaded from the nozzle tip of the cartridge, the piercing tooth is used to penetrate the frangible seal so that the nozzle tip is opened to enable the compounds to be dispensed from the interior of the cartridge;
• b. an operating mechanism for the at least one chamber single use cartridge, the operating mechanism including at least one piston which is used to engage the plunger and a ratchet mechanism which is used to move the at least one pistons in a forward direction to push the plunger forwardly to dispense the compounds from the single use cartridge when the single use cartridge is placed in the dispensing apparatus;
• and
• c. the dispensing apparatus includes an exterior surface with a rear opening and a front tip dispensing opening and surrounding an interior chamber which receives the ratchet mechanism which also has a resetting bar at its end which extends out the opening in the rear end of the dispensing apparatus so that the entire operating mechanism is be pulled backward in the interior chamber of the dispensing apparatus for the insertion of a fresh single use cartridge after a specific single use cartridge has been used up, the dispensing apparatus includes the interior chamber which contains the operating mechanism where the at least one piston is adjacent an interior opening where the single use cartridge is inserted, the dispensing apparatus includes an interior cylindrical sidewall and an exterior cylindrical wall and an open front through which the front tip of the cartridge extends, and a mechanism which is used to push the ratchet mechanism forward along with the mechanism to push the at least one piston forward to enable the at least one piston to move into the pocket against the back of the plunger and dispense the compound through the opening in the nozzle tip of the cartridge.