| 摘要 |
PURPOSE: A four-wheel stick is provided, which enables the old who have inconvenience on the lower half body or the lower half body handicapped person to easily stand up by holding a support. CONSTITUTION: A four-wheel stick comprises a gas central bar(120) which rises or descends according to the manipulation of a user; an upper button which is fixed on the top of the gas central bar and controls the lowering or the rising of the gas center shaft; a wheel connected to the bottom part of the gas central bar; a fixed axis(130) which controls the lowering or the rising of the wheel according to the length of the gas central bar; a support shaft(105) which presses the upper button of the gas central bar; a lower half shaft which adheres closely to the floor; and an inner shaft which is fixed to control the central bar button. |
