Compact Screening Arrangement with Nested Roller and Guide Bars
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Solution Overview
Problem
Existing screening arrangements face challenges in minimizing the height and depth dimensions while maintaining functionality and aesthetics, particularly when integrated into a frame aperture or building façade, and require effective concealment of internal parts from dust, pollution, and daylight exposure.
Innovation Solution
The screening arrangement features a compact design where the bottom element is positioned to accommodate the screening body within the top element in the non-screening position, utilizing a top rail and cover configuration to optimize space, with a U-shaped bottom element for easy operation and concealment, and integrating a spring-biased roller shaft and guide bar for reduced dimensions and enhanced aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the top element is designed to conceal internal parts (roller bar, guide bar) from dust, pollution, and daylight, then protection of internal parts is improved, but the height dimension of the top element increases
Solution Approach 1:
The roller bar and guide bar are nested within the top element's housing structure. The top element accommodates these internal parts in a compact arrangement where the roller bar is positioned closer to the back cover portion and the guide bar is positioned closer to the top cover portion, allowing both to be concealed without excessive height increase.
Solution Approach 2:
The patent optimizes the spatial arrangement by positioning components along the depth dimension rather than solely increasing height. The roller bar and guide bar are arranged at different depths within the top element, with the roller bar closer to the back and the guide bar closer to the front, effectively utilizing three-dimensional space to minimize the external height while maintaining protection.
2Volume of stationary object
If the roller bar and guide bar are positioned optimally within the top element, then space utilization is improved, but the complexity of the top element structure increases
Solution Approach 1:
The top element is segmented into functional zones: a top cover portion, a back cover portion, and intermediate spacing. The roller bar is positioned in the region closer to the back cover portion, while the guide bar is positioned closer to the top cover portion. This segmentation allows for optimized space utilization while maintaining a manageable structural complexity through clear functional zoning.
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 achieves a compact, inconspicuous, and functional design that minimizes exposure of internal parts, reduces material consumption, and optimizes space usage, while maintaining effective operation and lightproofing properties.
Implementation Method 1
the roller bar being spring-biased
Data Source
AI summary
The screening arrangement (1) has a top element (4) accommodating one end of the screening body (6). The other end of the screening body (6) is connected to a bottom element (7), by which the screening arrangement may be operated manually. The bottom element (7) of the screening arrangement may be moved so close to the top piece of the frame that the top edge (71) of the bottom element (7) overlaps the bottom edge (444) of the front side (440) of the top element (4) slightly.