| 摘要 |
PURPOSE: Length variable crutches enabling users to shorten the length of the crutches if necessary are provided to prevent the generation of safety accidents by changing the length of the crutches while walking. CONSTITUTION: Length variable crutches include a pair of supporters(5), a handle(40), and legs(15). The handle is installed in between the supporters. Armpit supporting stands(10) are formed on the upper side of the supporters for charging the length of the crutches. The legs are combined to the lower side of the supporters. Each supporter includes a cylindrical housing(20), an elevation rod(30) inserted into the housing, a fixing unit(50) for fixing the elevation rod, and a pressuring member pressurizing the elevation rod. |
