Concealed hinge for swivel arm (door leaf four-way seat)
CN310234573SActive Publication Date: 2026-09-29李泽华
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Patent Information
- Application Number
- CN202530757812.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Priority Date
- 2025-10-30
- Filing Date
- 2025-12-23
- Publication Date
- 2026-09-29
- Estimated Expiration
- 2040-12-23
Smart Images
Figure 000008_ABST
Abstract
1. Name of the product in this design: Concealed hinge (door leaf four-way seat). 2. Application of this design: for use in security door hinge 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.
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