Foldable Table Leg Structure for Portable Stability
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Solution Overview
Problem
Folding tables made from lightweight materials face challenges in providing sufficient stability and durability while maintaining portability, as they often struggle to withstand the rigors of use without compromising on strength and sturdiness.
Innovation Solution
The design features a folding table with a table top and legs that include sockets and extension portions, allowing legs to rotate from a folded to an extended position, providing enhanced stability by extending beyond the table's perimeter and incorporating a locking mechanism to secure the legs in place, thereby increasing mechanical stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If lightweight materials are used for the table, then portability is improved, but stability and strength deteriorate
Solution Approach 1:
The table legs are designed to be dynamically adjustable between folded and extended positions. When the table needs to be moved, the legs fold up for portability. When the table is set up, the legs extend outward and lock into place, providing enhanced stability. This dynamic configuration allows the same lightweight structure to serve both portable and stable functions.
Solution Approach 2:
The leg extension portions project laterally outward from the table top in addition to extending downward. This creates a wider base of support in the horizontal dimension, improving stability without requiring heavier materials. The lateral extension of legs beyond the table perimeter distributes weight more effectively.
2Stability of the object's composition
If legs are extended beyond the table perimeter to enhance stability, then stability is improved, but device complexity increases
Solution Approach 1:
Each leg is segmented into distinct functional portions: a head portion that rotates within the socket, an extension portion that projects laterally outward, and a lower portion that extends downward. This segmentation allows each part to perform its specific function independently while simplifying the overall design and assembly process.
Solution Approach 2:
When the legs are in the folded position, the extension portions are contained within the outer perimeter of the table top, effectively nesting the leg structure within the table's footprint. This nesting minimizes the space required for storage and transport while maintaining the capability for stable deployment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration enhances the table's stability and balance, allowing it to withstand heavier loads and remain upright at inclines, while still being portable and easy to store, as demonstrated by passing tipping and overload tests.
Implementation Method 1
The head portion may rotate around the rotational axis, and along the radial direction, of the respective socket, from a folded position to an extended position.
Data Source
AI summary
A foldable table that provides a stable operational position in which the table legs may extend beyond the footprint of the table, and a folded, storage position in which the table legs may be tucked within the footprint of the table. An aspect provides table legs that may slide and pivot within sockets of a table top, to enable the legs to lock into the extended position and to also pivot flat against a horizontal undersurface of the table top.