Inner wall of a sound amplifying cone

Abstract

1. The name of the design product: the inner wall of the sound amplification cylinder. 2. The use of the design product: the whole of the design product is used for playing sound, and the part is used for amplifying volume. 3. The design points of the design product: the shape of the part to be protected. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: A-A sectional view is the sectional view of A-A direction in the top view, and B-B sectional view is the sectional view of B-B direction in the left view. The design product requests partial design protection, and the part represented by the red area is the part to be protected.

Images