Wire Shelf Divider Clip Design for Retainer-Free Shelving Systems

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Solution Overview

Problem

Wire shelving manufacturers face challenges in reducing production costs without compromising strength, particularly due to the need to maintain structural integrity when eliminating non-structural retainer wires used in gravity-feed shelving systems, which are interfered with by balls in the existing divider clips.

Innovation Solution

A new divider clip design that can engage either the front or rear bottom wire without interference from the balls, allowing for the elimination of retainer wires, featuring enlarged openings and C-shaped receivers to accommodate the balls and support wires, ensuring compatibility with both old and new shelving systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If retainer wires are eliminated to reduce production costs, then manufacturing cost decreases, but structural integrity and reliability may be compromised

Engineering Contradiction:
Improveproduction costVSAvoidstructural integrity
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent removes the retainer wires from the shelving system, extracting the problematic component that caused interference with the divider clips. This extraction eliminates the need for retainer wires while the divider clip design independently provides the necessary wire engagement function without interference from balls.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The divider clip is segmented into distinct functional zones: C-shaped receivers for engaging support wires, enlarged openings for accommodating balls, and straight slots for receiving wires. This segmentation allows each feature to perform its specific function independently, enabling the system to work without retainer wires while maintaining structural integrity.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If divider clips are designed to engage bottom rails without interference, then compatibility with simplified shelving systems improves, but the clip design complexity increases

Engineering Contradiction:
ImprovecompatibilityVSAvoidclip design
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The divider clip is designed as a universal component that can engage with different shelving configurations (with or without retainer wires, with different ball arrangements). The combination of C-shaped receivers, enlarged openings, and straight slots allows the same clip design to work across multiple shelving system variants, improving adaptability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent merges multiple functions into a single divider clip component: wire engagement through C-shaped receivers, ball accommodation through enlarged openings, and wire reception through straight slots. This consolidation eliminates the need for separate retainer wires while maintaining all necessary functions in one integrated clip design.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS10736441B1Wire shelf divider
Publication Date: 2020.08.11 NASHVILLE WIRE PROD MFG CO LLC
  • US10736441B1 patent drawing
  • US10736441B1 patent drawing
  • US10736441B1 patent drawing

AI summary

A shelf divider apparatus and a system thereof are disclosed herein. The shelf divider apparatus is configured to attached to a wire shelf including a front top rail, a front bottom rail, a plurality of balls separating the front top and bottom rails, and a plurality of support wires supported by the front bottom rail. The shelf divider includes a first end, a second end, and a first clip connected to and extending below and away from the first end. The first clip includes a plurality of receivers defined along a lower portion of the first clip and extending perpendicularly relative to a divider length. Straight slots are defined between adjacent receivers. Each straight slot includes an enlarged opening spaced apart from a straight slot entrance for accommodating a portion of one ball of the plurality of balls so that the plurality of receivers may engage the front bottom wire.