| I.P Abstract & Summary |
The invention refers to the trolley, and the proposition of the trolley includes: the seat part, and the seat mounting part configured to be fitted to the seat; the connecting frame part includes a first connecting frame configured to support the seat and to include vertical and horizontal sections, and the second connecting frame is made into a "U" shape consisting of vertical and horizontal parts and configured so that the vertical parts are rotatably mounted with the first connecting frame; and the bicycle structure consists of a main frame configured such that the first connecting frame is mounted on it in the same manner that the front end of it and the second connecting frame. the two are fitted with its rear end, the front wheels are installed under the front of the main frame, and the rear wheels are installed under the rear of the main frame. |