Extendable Clothes Drying Rack With Removable Stiffening Crossmembers
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Solution Overview
Problem
Existing clothes drying hangers with extensible racks face interference from stiffening crossmembers, limiting the ability to comfortably hang large items and requiring complex configurations for space optimization.
Innovation Solution
A clothes drying hanger with a quadrangular frame structure, sliding rod-like components, and scissor-like legs, featuring quick engagement/disengagement means for stiffening crossmembers, allowing for adjustable load capacity and easy movement without obstacles when needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If stiffening crossmembers are permanently fixed to provide structural stability, then the rack has obstacles that interfere with hanging large items of clothing, but if they are removed, the structural stability is compromised
Solution Approach 1:
The stiffening crossmembers are made dynamically adjustable through quick engagement/disengagement means, allowing them to be present when structural stability is needed and absent when hanging large items is required. This transforms a static structural element into a dynamic one that adapts to different operational requirements.
Solution Approach 2:
The connection between stiffening crossmembers and supporting legs is segmented into discrete engagement points with quick engagement/disengagement means. This allows the crossmembers to be selectively connected or disconnected from specific legs, providing flexibility in configuration while maintaining structural integrity when engaged.
2Adaptability or versatility
If the rack is designed with fixed dimensions to provide structural simplicity, then it cannot adapt to vary load capacity and optimize space usage
Solution Approach 1:
The rod-like components are designed to be extendable along the longitudinal direction, allowing the rack to dynamically change its dimensions and load capacity. This dynamic extension capability enables adaptation to different space requirements and clothing loads without requiring multiple fixed-size racks.
Solution Approach 2:
The rack structure is segmented into modular components including longitudinal members, crossmembers, and extendable rod-like components that can be independently adjusted. This modularity simplifies the extension mechanism while enabling versatile configuration options for different loading scenarios.
3Ease of operation
If the rack is designed to be completely free of transverse obstacles for hanging large items, then stiffening crossmembers cannot be present to provide structural support
Solution Approach 1:
The stiffening crossmembers are designed with quick engagement/disengagement means that allow them to be rapidly deployed when structural support is needed and removed when clear space for large items is required. This dynamic presence/absence capability resolves the contradiction between needing obstacles for strength and being free of obstacles for ease of operation.
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
Enables the use of stiffening crossmembers when necessary while maintaining a rack free of transverse obstacles, facilitating the hanging of large items and optimizing space usage with ease of configuration and movement.
Implementation Method 1
rod-like components which form, together with the quadrangular frame structure, a single rack for hanging clothes which can be extended in the longitudinal direction of said rod-like components
Implementation Method 2
supporting legs which have a scissor-like articulation are coupled to said longitudinal members
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A clothes drying hanger (10), of the type comprising a quadrangular frame structure (11) constituted by two longitudinal members (12) and two opposite crossmembers (13), between which rod-like components (14) are arranged which form, together with the quadrangular frame structure (11), a single rack (15) for hanging clothes which can be extended in the longitudinal direction of the rod-like components (14); stiffening crossmembers (31a) are associated with the legs (16). The clothes drying hanger (10) further comprises means (40) for quick engagement/disengagement to respective portions (18a) of the supporting legs (16) for at least one of the stiffening crossmembers (31a) of the hanger.