Patent ID: 7399288

Claim:
An adjustable neck brace, which is worn at a user's neck for fixing a cervical vertebra, comprising: a cover panel; an adjusting device, installed on a surface of said cover panel and having a casing, an adjusting rod installed in said casing, a connecting portion disposed at an end of said adjusting rod and exposed from said casing, a plurality of positioning grooves and a plurality of protrusions disposed separately on both sides of said adjusting rod, a limit member and an adjusting knob both disposed on the surface of said casing, a bracket disposed on said limit member and corresponding to said positioning groove, and an adjusting gear extended from said adjusting knob and coupled to said protrusion; and a height adjusting plate, coupled to said connecting portion and having a supporting portion protruded from said height adjusting plate for supporting a user's chin, and said adjusting knob being turned and said adjusting gear driving said adjusting rod to produce a displacement to lift said supporting portion to a desired height, and said bracket being latched into said positioning groove to define a fixing relation.