An advertising display
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Solution Overview
Problem
Existing display expansion systems require multiple physical elements for contraction and limiting mechanisms, leading to complexity and the need for different limiters for each display type, which increases manufacturing costs and potential material degradation due to permanent stretching of elastic bands.
Innovation Solution
A minimalist system using a single elastic band with a 'resting length' adjusted for desired expansion, acting as both contraction and limiting element, eliminating the need for additional physical limiters and simplifying the manufacturing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple physical elements (contraction member and limiting member) are used in the expansion system, then the display achieves stable expansion and limiting functionality, but the device complexity increases and manufacturing costs rise
Solution Approach 1:
The patent combines the contraction member and limiting member into a single integrated elastic element. The elastic band is configured with specific geometric features (such as folded portions or engagement structures) that allow it to perform both contraction and limiting functions simultaneously, eliminating the need for separate physical components and reducing overall system complexity.
Solution Approach 2:
The elastic band is designed to serve multiple functions: it provides the contraction force necessary for expansion while simultaneously acting as the limiting member through its geometric configuration. This multi-functional design allows a single component to replace what would traditionally require two separate components, simplifying the expansion system.
2Manufacturing precision
If different limiting members are used for each display type, then the expansion can be precisely controlled, but the manufacturing cost increases and production time is extended
Solution Approach 1:
The elastic band is designed as a universal component that can be applied across different display types. By incorporating the limiting function directly into the elastic band's geometry rather than using separate display-specific limiting members, the same basic component can serve multiple display configurations, thereby improving manufacturing efficiency and reducing production time.
Solution Approach 2:
The patent achieves different expansion controls for various display types by modifying parameters of the elastic band (such as its length, width, elastic modulus, or geometric configuration) rather than creating entirely different limiting members. This allows precise expansion control to be maintained across different display types while using a fundamentally the same component design, thus improving manufacturing efficiency.
3Shape
If elastic bands are permanently stretched to achieve expansion, then the display reaches the desired expanded position, but the elastic properties degrade and the material decomposes prematurely
Solution Approach 1:
The elastic band is pre-configured with specific geometric features (such as pre-folded sections or pre-set tension zones) during manufacturing that establish the correct resting length and tension characteristics. This preliminary configuration ensures that when the display is assembled and expanded, the elastic band operates within its optimal elastic range without being permanently stretched, thereby maintaining its elastic properties and extending its service life.
Solution Approach 2:
The elastic band's geometric configuration is designed to automatically regulate its own tension and extension. Through its folded portions or engagement structures, the band self-adjusts to maintain appropriate tension levels during expansion, preventing excessive stretching that would lead to permanent deformation and material degradation, thus ensuring long-term reliability without external intervention.
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
The system achieves efficient expansion and stability with a single elastic band, allowing for adjustable expansion levels without additional mechanical stops, reducing material degradation and manufacturing costs while maintaining functionality across various display types.
Implementation Method 1
at least one traction element in the form of an elastic band (1) having a 'resting length' adjusted for obtaining the desired expansion in the display (2) containing it
Data Source
Figure 1A~3B
Figure 4A~8
Figure 9~13
AI summary
Deployable display with an expansion system comprising a traction elastic element. The elastic element is basically formed by an elastic band which is annular or is cord-type with engaging elements, and optionally by at least one extension for extending the length of said band, formed by a plate made of flexible or semi-flexible sheet material provided with engaging elements for said elastic band, the assembly in turn being engaged to side projections of the display. The limiting system is implemented by the reduction in the elastic force and/or by the own resting length of the elastic band in cooperation, where appropriate, with the length of the extension element.