Footrest extension mechanism of sofa extension device

Abstract

1. The name of the product of this design: Footrest extension mechanism of a sofa extension device. 2. Purpose of the product with this appearance design: Purpose of the overall product: This product with this appearance design is used for the hinge extension device of the sofa headrest, which can adjust the angles of the sofa headrest and footrest; Purpose of the local appearance design: Used in the footrest extension mechanism of the sofa extension device, used to control the extension and folding of the sofa footrest. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. Designate Design 1 as the base design. 6. Other circumstances that require explanation: The design for which protection is requested is a partial design. Among them, the part requested for protection is represented by the gray part, and the part covered in red is not protected. This application does not require protection of color, and color is only used to distinguish the local appearance design that needs to be protected.

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