Air pump control device for dredge(2)

Abstract

1. The name of this design product: Air pump control device (2) for drain cleaner. 2. Purpose of the product of this design: The overall purpose is to unclog pipes or toilets; the local purpose is to inflate the air storage device of the unclogger, display the pressure and control its deflation. 3. The key design feature of this design product lies in the shape of the part for which protection is sought. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. Other circumstances requiring explanation: This product is a partial design, and the portion not covered in blue is the portion requiring protection.

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