| 摘要 |
A jaw joint protection mechanism is provided to solve unbalanced jaw joint by being worn at the part in which the tooth goes in gear. A jaw joint protection mechanism comprises the following features of: a body portion(110) which is formed with U-shaped so that the tooth be settled and is formed so that the width is more and more widen to move to edge; a first holding portion(120) for supporting the outer side of the tooth; a inner side of the tooth is supported; and a second supporting part(130), which secures space(140) in which tongue is settled and is formed with a movement route of tongue, including the tongue moving means(132) which settles tongue in center.
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