door closer (YL-200, 300)

Abstract

1. The name of the design product: door closer (YL-200, 300). 2. The use of the design product: the design product is used for installing in the inner side of the door of the freezer or cold storage, so that the door can be automatically closed after opening, and it also plays the role of buffering and noise reduction. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 combined state reference drawing. 5. Design 2 component 2 is the same as design 1 component 2, and all views of design 2 component 2 are omitted. 6. Design 1 is designated as the basic design. 7. Other circumstances that need to be explained Component description: design 1 component 1 and design 2 component 1 are door closers, and design 1 component 2 and design 2 component 2 are lock catches.

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