Manhole base
CN309337346SActive Publication Date: 2025-06-13CHONGQING PUBLIC TRANSPORTATION CAREER ACADEMY
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Patent Information
- Application Number
- CN202430694097.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-02
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2039-11-02
Smart Images
Figure 000007_ABST
Abstract
1. Name of the design product: Manhole seat. 2. Use of the design product: This design product is used for municipal roads. The manhole seat is used to support a level-adjustable manhole cover. When heavy pressure changes the flatness of the road and the manhole cover, the manhole seat and the manhole cover can be adjusted in cooperation to restore the flatness of the manhole cover and the road surface. 3. Design key points of the design product: Lies in the perspective view. 4. Picture or photo that best shows the design key points: Perspective view.
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