Patent ID: 7419303
Filing Date: 2008-09-02
Classification: F16C,F16H,Y10T

Abstract:
1. A ball connecting body for a rolling motion apparatus, the ball connecting body comprising multiple spacers, multiple guide linking members, and at least one connecting member, wherein: the spacers are located at two sides of a ball, each spacer is provided with a ball retaining face adjacent to the ball; the guide linking members are arranged in pairs with each pair being arranged horizontally and are located at the two sides of the ball, for linking the two spacers at the two sides of the ball, so that the ball is maintained in a space formed by the guide linking members and the spacers; the connecting member has two connecting bars that serve to connect two adjacent spacers, a distance between outer surfaces of the two connecting bars is greater than a width of each of the connecting bars, so that the connecting member is more bendable horizontally than vertically; the guide linking members can rotate about a horizontal axis relative to the two spacers simultaneously.