| 摘要 |
Subject: folding physiotherapy bed. Constitution: four parts folding with the assistance of telescopically adjustable feet 4,4 with the assistance of auxiliary stems 2, 18, a height-adjusting screw 6, a mechanism 23 retaining the nut on the screw 6, in-built pipes 43 of the detachable lateral sections 3, two-limb supports 56 fixing the end sections to the end pairs of feet, and unequal two-limb supports 63 supporting the feet and bearing a safety ring 65 preventing the rotational closing of the feet caused by vibrations. |
