Opening and closing telescopic device

CN310039183SActive Publication Date: 2026-06-19NINGBO RUIBAO SIKAIDI ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
NINGBO RUIBAO SIKAIDI ELECTRONIC TECH CO LTD
Filing Date
2025-12-03
Publication Date
2026-06-19

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Abstract

1. Name of the product in this design: Opening and closing expansion joint. 2. Purpose of this design: To be installed in an energy storage cabinet to control the opening and closing of the exhaust fan flap. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
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