Refrigerator Shelf Rail Assembly With Hidden Hooks and Lighting
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Solution Overview
Problem
Current vertically adjustable shelving assemblies in refrigerators are aesthetically unappealing due to their design and lack of visual indicators for shelf positioning, and they do not efficiently integrate lighting within the shelving system.
Innovation Solution
A shelving assembly with ladder rails mounted in spaced pockets of the refrigerator's rear wall, featuring in-turned portions with hooks and cutout openings for adjustable shelf support, along with visual indicator lines and integrated lighting powered by the ladder rail mounting arrangement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional ladder designs with rectangular openings are used, then shelf adjustment functionality is achieved, but visual appearance becomes unappealing
Solution Approach 1:
The patent extracts the functional elements (hooks and openings) from the visible front surface and relocates them to the rear wall mounting structure. The ladder rail is mounted within a pocket formed in the rear wall, hiding the mechanical components while maintaining shelf adjustability through rear-accessible hooks.
Solution Approach 2:
The ladder rail is nested within a pocket structure formed in the rear wall of the refrigerator compartment. This nesting arrangement conceals the ladder rail and its hooks behind the front wall portion, creating a clean visual appearance while preserving the adjustment mechanism within the nested pocket space.
2Ease of operation
If hooks are made visible for shelf positioning, then adjustment ease is improved, but aesthetic appearance deteriorates
Solution Approach 1:
The hooks are extracted from the visible front view and repositioned on the rear wall portion of the ladder rail structure. Users can still access and operate the hooks for shelf positioning, but they are no longer visible from the front, maintaining a clean aesthetic appearance.
3Ease of operation
If lighting is integrated into the shelf system, then user experience is enhanced, but device complexity increases
Solution Approach 1:
The lighting system is merged with the shelf structure, integrating illumination functionality directly into the shelf assembly. This combination enhances user experience by providing targeted lighting for food items while consolidating components rather than adding separate lighting systems.
Solution Approach 2:
The ladder rail structure serves multiple functions: it provides mechanical support for shelf adjustment through hooks, acts as a mounting structure within the rear wall pocket, and cooperates with the shelf to provide power to integrated lighting arrangements. This multi-functionality reduces overall system complexity.
Data Source
AI summary
A shelving assembly includes ladder rails mounted within spaced elongated pockets formed in the rear wall of a refrigerator compartment. Each ladder rail presents a front, side, rear wall portions. Adjacent the front wall portion, a vertical slot is defined, at least in part, by an in-turned portion of the front wall portion. Offset from the slot, the in-turned portion is formed with a plurality of vertically spaced and rearwardly projecting hooks. Each shelf of the assembly includes arms, each having an anchoring pin and a support foot. In mounting the shelf, the support foot and the anchoring pin of each arm are placed through a cutout formed in the front wall portion of a respective ladder, the shelf is arranged in a desired vertical position with the arm sliding within the slot, and then the anchoring pin is supported upon a respective one of the hooks.