发明授权
US5195930A Self-balanced drive shaft assembly 失效
自平衡驱动轴组件

Self-balanced drive shaft assembly
摘要:
A self-balanced drive shaft assembly comprises a cylindrical shaft having an axially extending cylindrical bore formed therein; a small amount of liquid contained in the bore of the cylindrical shaft, the liquid being movable in the bore in response to movement of the shaft; and two joints operatively connected to axially opposed ends of the shaft respectively. At least one of the joints permits a pivotal movement of the shaft about a pivot point defined by the other joint.
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