| 摘要 |
PURPOSE: A runner assembly for an umbrella frame is provided to secure the soft movement of a pusher element and a maintaining block using declined parts with a simple structure. CONSTITUTION: A runner assembly for an umbrella frame for a center shaft of the umbrella frame comprises the following: a tube type maintaining block(20) relatively transferable to a tube type runner(10) at the direction crossing an axis(L) of a center shaft; and a tube type pushing element(30) capable of moving along to the axis(L). The inner sleeve surface of a pushing element enables a maintaining unit(26) arranged on the pushing element to by coupled with the gearing surface of the center shaft by moving the maintaining block from a first position to a second position through pushing the pushing element into an operation position from a releasing position. |
