Sunken door opener

Abstract

1. The name of this design product: sunken door opener. 2. Purpose of this product: This product is buried in the ground and rotates from bottom to top to drive the fan-shaped door to open and close. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. Other situations that require explanation Description of the changed state: The reference figure is a schematic diagram of this design adding bendable dust plugs on both sides of the swing arm before inserting them into the concave holes.

Images