Folding Table Locking Hinge for Compact Storage and Load Support
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Solution Overview
Problem
Conventional banquet tables are bulky, difficult to store, and require significant space due to their large size, making them inconvenient and costly to move and transport, and they often lack the strength to support significant loads, with fold-in-half tables being particularly frail.
Innovation Solution
A folding table design featuring a blow-molded plastic table top and support structures that can be easily moved between use and storage positions, incorporating a locking mechanism and a frame with hinge assemblies and cross members to secure the table top in place, allowing for compact storage and easy transportation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional banquet tables are made with large table tops and folding legs, then the table can be used for large groups of people, but the table requires a large storage area and is difficult to move
Solution Approach 1:
The table top is divided into two separate sections that can be folded relative to each other. This segmentation allows the table to maintain a large surface area when in use while reducing to a compact size when folded, resolving the contradiction between usage capacity and storage area requirements
Solution Approach 2:
The table incorporates movable support structures with locking mechanisms that allow the table to dynamically change between an extended configuration for large group use and a collapsed configuration for compact storage, enabling adaptability between different operational states
2Adaptability or versatility
If conventional banquet tables are made with large table tops, then the table can accommodate large groups, but the table becomes difficult and expensive to transport
Solution Approach 1:
Dividing the table top into two foldable sections enables the table to be collapsed to a compact size for transportation while maintaining full functionality when deployed, directly addressing the transportation difficulty caused by large table tops
Solution Approach 2:
The foldable table top sections nest together when collapsed, creating a compact package that is easy to transport while providing a large surface area when unfolded, resolving the contradiction between usage capacity and transportation ease
3Strength
If fold-in-half tables are constructed with stronger and thicker materials, then the table can support significant weight, but the table becomes heavier and more difficult to move
Solution Approach 1:
The table utilizes composite construction combining aluminum alloy support structures with high-density polyethylene table top sections. This composite approach provides the necessary strength to support significant loads while keeping the overall weight manageable and easy to move
Solution Approach 2:
The locking mechanism incorporates localized high-strength features at critical connection points where load is transmitted, while the rest of the structure uses lighter materials. This allows the table to support significant weight without requiring uniformly thick and heavy construction throughout
4Adaptability or versatility
If conventional fold-in-half tables are constructed, then the table can be folded for storage, but the connection between sections is weak and may break under significant load
Solution Approach 1:
The locking mechanism provides a dynamic solution by remaining unlocked during folding operations to allow movement, then automatically engaging when the table is in the extended position to provide strong load-bearing connection, thus enabling both folding capability and connection strength at different operational states
Solution Approach 2:
The locking mechanism is designed to automatically engage in advance before significant loads are applied to the table. This preliminary locking action ensures that the connection between table sections is secured and strengthened before any substantial weight or force is placed on the table surface
Data Source
AI summary
A foldable table may include a table top and legs that are movable between an extended position and a collapsed position. The table top may include a first section and a second section that are connected by a hinge assembly. A locking member may be sized and configured to lock the hinge assembly in a fixed position. Advantageously, moving the legs between the extended and collapsed positions may cause the locking mechanism to move between the locked and unlocked positions. Thus, when the legs are in the extended position and the locking mechanism is in the locked position, the table top may be secured in the unfolded position.