It seems like the solar panel of the artificial earth satellite and the coupling which has the power source for the aggregate which is connected

摘要

A frictionless self-driven articulation designed to be mounted between two neighboring elements, including two cylindrical fittings rotationally driven through the action of a leaf spring and the ends of the leaf spring being fixed respectively to each of the fittings. The articulation includes means of retaining the fittings and load transfer means separate from the retention means.