Swivel arm mortise (door leaf four-dimensional seat 2)

Abstract

1. Name of the product in this design: Concealed hinge (door leaf four-way seat 2). 2. Purpose of this design: For use in security door products. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: Design 1 reference drawing and Design 2 reference drawing are 3D renderings of the product.

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