Yi Seed Wide Du Ke Tone formula Zhu Hang Installed are set, and include one first Brace Agencies part, one second Brace Agencies part and a Wide Du Tone Festival Machine Agencies. Wide Du Tone Festival Machine Agencies Even connect first Brace Agencies part and second Brace Agencies part comprising a mono- Tooth Rail Agencies parts, a bis- Tooth Rail Agencies parts and a Nie close what mono- Tooth Rail Agencies parts and bis- Tooth Rail Agencies Jian Inter Xuan Turn Agencies parts. The force of When Xuan Turn Agencies Jian Turn Move Time mono- Tooth Rail Agencies parts and bis- Tooth Rail Agencies Jian Fen Do Shou Dao Xuan Turn Agencies parts and keep first Brace Agencies part and second Brace Agencies part close to each other, and When rotation Turn Agencies parts divide Do to be made first Brace Agencies part and second Brace Agencies part mutually mutual Far From by the force to rotation Turn Agencies parts with the phase derotation side Turn to Turn Move Time, the first Tooth Rail Agencies parts and the 2nd Tooth Rail Agencies parts. The Wide Du Tone perfect square formulas Jane that Zhu Hang Installed are set just and Ju You Machine Move And to have both Steady qualitative.一種寬度可調式助行裝置,包含一第一支撐構件、一第二支撐構件及一寬度調節機構。寬度調節機構連接第一支撐構件及第二支撐構件,其包括一第一齒軌構件、一第二齒軌構件及一囓合於第一齒軌構件及第二齒軌構件之間的旋轉構件。當旋轉構件轉動時,第一齒軌構件及第二齒軌構件分別受到旋轉構件之施力而使第一支撐構件及第二支撐構件相互接近,而當旋轉構件以相反旋轉方向轉動時,第一齒軌構件及第二齒軌構件分別受到旋轉構件之施力而使第一支撐構件及第二支撐構件相互遠離。助行裝置之寬度調整方式簡便而具有機動性並兼具穩定性。
