| 摘要 |
<p>Toy Material Digging and Loading Machine and Material Handling Machine A toy simulating a material digging and loading machine and material handling machine using a unique arrangement of arms of various lengths connected to each other by pivot points in certain specific positions so that when force is applied on a certain arm or arms, the action and movement of the attachments mounted at two designated pivot points move realistically and may be changed as desired by making one or more or all the arms any certain specific length and or changing or leaving the positions of the pivot points which are located between the pivot points on each end of certain arms. This unique arrangement of pivot points and arms may be used in many applications with toys or industrial use.</p> |
