Self-locking and positioning device for dental brace

摘要

A self-locking and positioning device for a dental brace, comprising: a brace main body, an elastic piece, and an upper cover. Wherein, on the brace main body is provided with a track and a fixing slot, while on the elastic piece is provided with a positioning piece and a slot. The positioning piece is provided with a barb, while the upper cover slides and fixes into the brace main body through the track. Then, the barb of the positioning piece on the elastic piece will act against a block portion on bottom of said upper cover, to restrict movement of the upper cover, to lock automatically the upper cover into position. The dental brace is simple in construction and easy to assemble, hereby raising production efficiency and yield.

主权项

1. A self-locking and positioning device for a dental brace having a correction line defining an archwire, comprising:
a brace main body having a track and a fixing slot; an elastic piece having a positioning piece portion and a slotted portion, said slotted portion having a U-shaped profile selectively sized to accommodate differently sized archwires and being inserted into said fixing slot of said brace main body for receiving therein and partially encompassing the correction line of the dental brace, said positioning piece portion defining an elastic hook portion extending substantially perpendicular to a sidewall of said slotted portion; and an upper cover, slideably engageable with said track of said brace main body to form a closure over said fixing slot and lock said elastic piece into position, said elastic hook portion for releasably engaging with a shoulder formed in said upper cover.