Sign Assembly with Slotted Retainer for Wrinkle-Free Fabric Display
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Solution Overview
Problem
Existing signage technologies face challenges in maintaining a wrinkle-free appearance and ease of installation for fabric or cloth signs, as they tend to lose shape and require significant effort to manage without tools.
Innovation Solution
A sign assembly featuring a framework with flexible retainer elements, such as slotted or hole-patterned strips, that allow for easy mounting and adjustment of fabric sheets without tools, hiding the framework and enabling quick replacement of the display surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If fabric or cloth material is used for signs, then durability and cost-effectiveness are improved, but wrinkles and shape instability occur
Solution Approach 1:
The patent uses a flexible fabric sheet as the display surface that can be mounted on a framework. The fabric is held taut by the framework structure, allowing it to maintain its shape while benefiting from the durability and cost advantages of flexible material. The framework provides the necessary support to prevent wrinkles and shape instability.
Solution Approach 2:
The framework is divided into multiple frame members that can be independently adjusted. This segmentation allows each portion of the fabric to be tensioned separately, ensuring the entire surface remains wrinkle-free while maintaining overall shape stability.
2Shape
If framework is used to support fabric sheet, then shape stability is improved, but framework visibility detracts from appearance
Solution Approach 1:
The fabric sheet is extended beyond the framework boundaries and wrapped around the frame members. This asymmetric configuration allows the fabric to cover the framework structure, hiding it from view while the framework continues to provide shape stability support.
Solution Approach 2:
The framework is nested within the fabric sheet, which wraps around and conceals the framework. The fabric acts as an outer layer that encloses the supporting structure, eliminating its visual impact while maintaining structural support.
3Shape
If fabric sheet is mounted tightly to framework, then wrinkle-free appearance is achieved, but installation difficulty increases
Solution Approach 1:
The framework is designed with adjustable frame members that can be moved to different positions. During installation, the frame members can be shifted to accommodate the fabric sheet, then adjusted to the final position to create tension and eliminate wrinkles. This dynamic adjustment capability simplifies the installation process while achieving a wrinkle-free appearance.
Solution Approach 2:
The fabric sheet is pre-positioned on the framework before final tightening. This preliminary placement allows the installer to align the fabric correctly, making adjustments easier before the final tensioning step that eliminates wrinkles.
4Adaptability or versatility
If fabric sign needs adjustment or replacement, then display flexibility is improved, but installation time increases
Solution Approach 1:
The framework is segmented into multiple independent frame members that can be individually adjusted. When replacing or adjusting the fabric sheet, each frame member can be moved independently to facilitate the process, reducing the time required compared to adjusting a rigid unified structure.
Solution Approach 2:
The adjustable frame members can be quickly repositioned during fabric replacement. This dynamic capability allows rapid reconfiguration of the framework to accommodate new fabric sheets, minimizing installation time while maintaining display flexibility.
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 solution provides a wrinkle-free display with easy installation and adjustment of fabric signs, allowing for tool-free replacement and maintenance, enhancing the aesthetic and practicality of fabric signage.
Implementation Method 1
Each of the flexible retainer elements is made of a flexible and resilient sheet material defining at least one opening or seam, such, as a slit, a slot, or a hole
Data Source
Figure 1
Figure 2~3
Figure 4A
AI summary
A sign assembly includes a substantially rigid framework such as a rectangular or other shaped frame, and a flexible display sheet, typically of cloth or fabric material. The display sheet wraps around an outer portion of the framework and enters a channel, where it is retained at a flexible retainer element disposed in the channel. Optionally, the flexible retainer element may be a strip of resilient sheet material defining one or more slit or slot patterns and/or openings that are configured to releasably engage portions of the display sheet. A cover element may be used to cover the channel and to present a finished appearance along the outside portion of the framework.