Dental chair spittoon insect and odor prevention device

Abstract

1. Name of the product in this design: Insect-proof and odor-proof device for dental chair spittoons. 2. Purpose of this design: To seal, prevent insects and odors from the drain outlet of a dental chair spittoon. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 3 3D diagram. 5. The front view, rear view, left view, right view, and bottom view of Design 2, Design 3, Design 4, and Design 5 are the same as those of Design 1. The front view, rear view, left view, right view, and bottom view of Design 2, Design 3, Design 4, and Design 5 are omitted. 6. Design 1 is designated as the basic design.

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