Roller of a power supply

Abstract

1. The name of the design product: the roller of power supply. 2. The use of the design product: the whole of the design product is used for power generation / energy storage, and the part of the design product is used as the roller of power supply. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 2. 5. Other circumstances that need to be explained: the design is a partial design, the part shown by the dashed line in the view does not constitute part of the design to be protected, and the part shown by the solid line in the view represents the design to be protected.

Images