Display Slide Bulge Layout for Linear Nesting and Extraction
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Solution Overview
Problem
Existing slide systems for display items, such as calendars, face challenges in efficient nesting and extraction due to coinciding bulges when multiple slides are stacked, leading to potential curvature and difficulty in linear arrangement.
Innovation Solution
Design of slides with asymmetrical or symmetrical bulges positioned relative to their ends, creating a V-shaped channel with a hanger secured to the interior surface of the second bend portion, allowing for non-coinciding bulges that facilitate linear stacking and easy extraction from a magazine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If multiple slides are stacked with coinciding bulges, then nesting is compact, but curvature occurs and linear arrangement becomes difficult
Solution Approach 1:
The patent applies asymmetry by positioning the bulges at different distances from the ends of the slide channel. Specifically, the first bulge is positioned at a first distance from the first end, and the second bulge is positioned at a second distance from the second end, where these distances are different. This asymmetric positioning ensures that when multiple slides are nested, the bulges of adjacent slides do not coincide, preventing curvature and maintaining linear arrangement stability while still achieving compact nesting.
2Ease of manufacture
If slides are designed with symmetrical bulges centered on the channel, then manufacturing is simplified, but extraction from magazine becomes difficult due to coinciding bulges
Solution Approach 1:
The patent resolves this contradiction by introducing asymmetry in the bulge positioning while maintaining manufacturing simplicity. The bulges are positioned at different distances from the ends of the channel, which prevents coinciding bulges during nesting and extraction. This asymmetric design allows slides to be easily extracted from the magazine because the non-coinciding bulges create natural spacing, while still being manufacturable using standard forming processes.
3Productivity
If bulges are positioned close to the ends of the slide, then nesting efficiency improves, but structural strength at the bend portions decreases
Solution Approach 1:
The patent applies local quality by strategically positioning the bulges at specific locations along the channel rather than uniformly distributing them. The first bulge is positioned at a first distance from the first end, and the second bulge is positioned at a second distance from the second end, creating localized reinforcement zones. This allows the slide to maintain structural strength at critical bend portions while still achieving efficient nesting through the asymmetric positioning that prevents bulge coincidence.
Data Source
AI summary
A slide for attaching to a display item such as a calendar, a poster, document, banner, wall hanging, or workpiece, has a longitudinal channel with a first end and second end and a longitudinal bend extending from the first end to the second end, a first bend portion and a second bend portion joined by the longitudinal bend, the first and second bend portions each having respective interior confronting surfaces adapted to receive an edge of the display item therebetween and respective exterior surfaces, a pair of bulges projecting from the first bend portion, a first bulge being close to the first end and a second bulge being close to the second end; and a hanger generally centrally fast with the second bend portion. The slides are paired in sets, the bulges of a first slide being spaced a different extent from its edges to those of the second set, so that the bulges of the paired slides do not coincide if one is nested in the other. The bulges may be symmetrically or asymmetrically arranged. A number of the sets provide a magazine.