Shelf Rail Cheek Structure for Secure Lateral Shelf Support
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Shelf supports in existing shelf rail designs are prone to slipping or damage, especially when panels are made of soft materials, leading to aesthetic issues and instability, particularly when lateral forces are applied.
Innovation Solution
The shelf rail design incorporates cheeks on the support strip that cover the open-side areas, allowing the shelf support to rest on these cheeks for secure holding without relying on panel closure, and features hook-shaped projections for attachment to struts, maintaining the aesthetic appearance of narrow front edges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the shelf support is held laterally by the panel edge, then the structure is simple, but the panel edge may be damaged and the shelf support may slip out
Solution Approach 1:
The patent introduces cheeks as intermediary elements between the shelf support and the panel edge. These cheeks receive the shelf support laterally and transfer the forces to the support strip, preventing direct contact between the shelf support and the panel edge. This mediator structure eliminates the risk of panel edge damage while maintaining holding security.
Solution Approach 2:
The patent segments the lateral holding function from the panel edge by introducing separate cheek elements. The cheeks are attached to the support strip and form distinct receiving structures for the shelf support, separating the functions of lateral constraint and panel mounting. This segmentation allows the panel edge to remain undamaged while providing secure holding through the distributed cheek structures.
2Reliability
If cheeks are added to cover the open-side areas, then holding security is improved, but the width of the rail increases
Solution Approach 1:
The patent applies partial action by having the cheeks cover only the necessary open-side areas of the recesses where shelf supports are inserted. The cheeks extend just far enough to provide lateral coverage and force distribution, without unnecessarily increasing the rail width. This partial coverage approach maintains holding security while minimizing the increase in overall rail dimensions.
Solution Approach 2:
The cheeks are designed with varying dimensions along their length, with the width and protrusion distance adapted to the local requirements of each recess. Areas requiring greater lateral coverage have correspondingly larger cheek sections, while areas with smaller recesses have proportionally smaller cheeks. This local quality variation optimizes the holding security-to-width ratio by concentrating material where it is most needed.
Data Source
Figure 1a~1b
Figure 2a~2b
Figure 3a~3b
AI summary
The rail (1) has a flat support bar with uniform openings, where ends of shelf base supports are guided into the openings. A side plate (11) is provided at slender side surfaces of the support bar. The side plate partially covers opened side regions of the openings. The side plate fully uncovers opened edge regions of the openings. A hook like projection is provided at a rear edge of the support bar. The side plate includes flanges (12), which are provided at a distance from the support bar. The openings include undercuts in inner edges. An independent claim is also included for a shelf with panels.