Patent ID: 11877907
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 19:
20. An orthodontic appliance as claimed in claim 19, and wherein the biasing force exerted by the compression spring is applied to the telescoping assembly only when the inner, elongated rod; and first and second intermediate tubes are moving along the course of travel, and are further closely adjacent to, or at the second, retracted position which is defined along the course of travel, and wherein the biasing force of the compression spring is transmitted by the respective outer, cylindrically shaped tube; first and second intermediate tubes; and the inner, elongated rod to the archwire coupler, and then along the longitudinal axis of each archwire and occlusal plane, but in opposite directions, so as to effect a movement of the upper dental arch of the patient in a rearward direction, and the lower dental arch in a forward direction, while not simultaneously imparting adverse movement to the respective teeth forming each of the dental arches of the patient and which are undergoing simultaneous orthodontic treatment.