Portable Playyard Storage Structure Without External Protrusion

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Solution Overview

Problem

Existing portable playyards with external storage units face issues such as loss during travel, deformation under load, inadequate mechanical strength, and protrusion as obstacles, due to removable and externally mounted organizers.

Innovation Solution

A portable playyard with an integrated flexible storage unit within the frame, featuring a loop-shaped surrounding wall, a partitioning wall, and shelves that are collapsible and extendable, providing multiple storage compartments accessible from different sides, and secured to the frame to prevent loss and protrusion.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If an organizer is mounted detachably to the exterior of the playyard frame, then storage functionality is provided, but the organizer may be lost during traveling

Engineering Contradiction:
Improvestorage functionalityVSAvoidattachment reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The storage unit is merged with the playyard frame by integrating it within the frame structure rather than mounting it externally. The flexible surrounding wall unit and partitioning wall are positioned inside the frame and secured to internal components, creating a unified structure that cannot be separated during travel.

Inventive Principle:
Principle #5Merging (Combining)

2Quantity of substance

If the organizer is mounted on the exterior of the playyard, then storage capacity is increased, but it becomes a protruding obstacle

Engineering Contradiction:
Improvestorage capacityVSAvoidprotrusion obstacle
Core Design Contradiction:
Quantity of substanceVSObject-affected harmful factors

Solution Approach 1:

The storage unit is nested within the playyard frame structure. The flexible surrounding wall unit and partitioning wall are contained inside the frame boundaries, utilizing the internal space of the playyard rather than extending outward, thus eliminating protrusion while maintaining storage capacity.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Quantity of substance

If the storage compartments are made large, then storage capacity is improved, but the mechanical strength of hooks is insufficient to support heavy load

Engineering Contradiction:
Improvestorage capacityVSAvoidmechanical strength
Core Design Contradiction:
Quantity of substanceVSStrength

Solution Approach 1:

The external mounting hooks are extracted and replaced with an internal integration system. The storage unit is secured to internal components of the playyard frame such as the crossing rod and side rails, distributing the load across multiple strong structural elements rather than relying on small external hooks.

Inventive Principle:
Principle #2Taking out (Extraction)

4Stability of the object's composition

If the storage compartments are made rigid, then structural stability is improved, but they deform under the weight of stored articles

Engineering Contradiction:
Improvestructural stabilityVSAvoidload bearing capacity
Core Design Contradiction:
Stability of the object's compositionVSStrength

Solution Approach 1:

The storage unit employs flexible materials for the surrounding wall and partitioning wall. This flexibility allows the structure to accommodate and distribute the weight of stored articles without rigid deformation, while the integration with the rigid playyard frame provides overall structural stability and load support.

Inventive Principle:
Principle #30Flexible shells and thin films

Data Source

PatentUS8677527B2Portable playyard with a storage unit
Publication Date: 2014.03.25 WONDERLAND SWITZERLAND AG
  • US8677527B2 patent drawing
  • US8677527B2 patent drawing
  • US8677527B2 patent drawing

AI summary

A portable playyard comprises: a playyard frame having two opposite upper side rails and an upper end rail; a crossing rod bridging the upper side rails; a flexible bottom wall mounted to a bottom side of the playyard frame; a flexible surrounding wall unit mounted to the playyard frame and including two opposite side walls and an end wall; a flexible partitioning wall connected to the playyard frame, trained on the crossing rod and having a vertical wall portion extending downwardly from the crossing rod, the vertical wall portion cooperating with the end wall to define a chamber therebetween; and at least one flexible shelf disposed in the chamber and connected to and cooperating with the partitioning wall to define a storage compartment therebetween.