12-12-2013 дата публикации
Номер: US20130330683A1
Принадлежит:
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. 1. A self-locking and positioning device for a dental brace , comprising:a brace main body, on which is provided with a track and a fixing slot;an elastic piece, on which is provided a positioning piece and a slot; andan upper cover, to slide from said track into said brace main body to fix thereon, and fasten said elastic piece.2. The self-locking and positioning device for a dental brace as claimed in claim 1 , wherein orientations of said track and said fixing slot are perpendicular to each other.3. The self-locking and positioning device for a dental brace as claimed in claim 1 , wherein on both sides of said upper cover are each provided with a long strip shaped protrusion portion claim 1 , on both sides inside said track of said brace main body is provided with an indent portion claim 1 , so that said two protrusion portions of said upper cover slide into said brace main body along said two indent portions of said track.4. The self-locking and positioning device for a dental brace as claimed in claim 3 , wherein below said two indent portions is an receiving space claim 3 , and said positioning piece of said elastic piece is placed in said receiving space claim 3 , then claim 3 , said upper cover is slid into said track claim 3 , so ...
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