Wall-Mounted Folding Drying Rack for Space-Saving Even Drying

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Solution Overview

Problem

Conventional drying racks for air-drying clothing often result in wrinkles and uneven drying due to lack of suitable hangers for wet clothes, and existing folding racks take up excessive space or have storage issues.

Innovation Solution

A folding clothes drying rack that folds inwardly and downwardly, featuring multiple parallel drying rods and a hinge mechanism for wall mounting, allowing for efficient use of space and easy storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If conventional hangers are used for wet clothing, then the hangers are lighter weight and simpler construction, but the wet clothing wrinkles and does not dry evenly

Engineering Contradiction:
Improvehanger construction simplicityVSAvoiddrying uniformity
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The hanger transforms from a simple wire structure to a padded structure by changing the material parameter - adding fabric or foam padding to the wire hanger. This parameter change allows the hanger to handle wet clothing without causing wrinkles while maintaining structural integrity under increased weight.

Inventive Principle:
Principle #35Parameter changes

2Volume of moving object

If a folding drying rack is designed to take up less space when folded, then the storage space is reduced, but the drying capacity when deployed is also reduced

Engineering Contradiction:
Improvestorage volumeVSAvoiddrying capacity
Core Design Contradiction:
Volume of moving objectVSQuantity of substance

Solution Approach 1:

The rack utilizes vertical wall space through a foldable design that extends upward when deployed. By transitioning from horizontal floor space to vertical wall space, the rack achieves both compact storage footprint and adequate drying capacity when in use.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The rack is divided into multiple foldable sections or levels that can be collapsed into each other. This segmentation allows the rack to compress into a compact form for storage while expanding to provide multiple drying surfaces when deployed.

Inventive Principle:
Principle #1Segmentation

3Object-affected harmful factors

If materials suitable for wet clothing are used, then the materials do not react with or damage the garment, but the materials are heavier and less suitable for light construction

Engineering Contradiction:
Improvematerial reactivity with wet clothingVSAvoidhanger weight
Core Design Contradiction:
Object-affected harmful factorsVSWeight of moving object

Solution Approach 1:

The hanger combines a wire or metal frame structure with a fabric or foam padding layer. The wire frame provides the necessary structural strength to support wet clothing weight, while the fabric or foam padding layer provides the non-reactive, gentle surface that prevents damage to delicate garments.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentUS8453852B2Drying rack
Publication Date: 2013.06.04 RADDATZ DOUGLAS LOWELL
  • US8453852B2 patent drawing
  • US8453852B2 patent drawing
  • US8453852B2 patent drawing

AI summary

The present invention relates to a clothes drying rack consisting of two separate rectangular racks which are mounted against the wall to form a mountain fold configuration, but can be folded flat against the wall for storage when not in use.