Selectively sized artificial tree and wheel assembly

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Solution Overview

Problem

Existing artificial trees lack the ability to be selectively sized for different configurations, such as full, half, or quarter circular sections, and their transportation is hindered by visible and non-retractable wheels that require manual operation.

Innovation Solution

A novel frame assembly with a pole connecting mechanism and body connecting assembly allows for adjustable tree sizes, combined with a hidden, foot-operated wheel assembly for easy movement and storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional large full circle artificial trees are formed on stacked frame members, then the tree can be displayed in a full circle configuration, but the tree cannot be selectively configured as half, quarter, or other circular sections

Engineering Contradiction:
Improveselective tree configurationVSAvoidframe assembly complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The frame assembly is divided into multiple arcuate frame members that can be selectively assembled. Each frame member is a self-standing arcuate structure that can be configured in different quantities and arrangements to create full circle, half circle, quarter circle, or other circular section displays, enabling versatile configurations without requiring a completely different frame structure for each type.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The arcuate frame members are designed with universal connectivity features including arcuate channels and transverse channels that allow the same frame members to be assembled in multiple configurations. The same set of frame members can create different circular sections by varying the assembly pattern, making the system multi-functional and adaptable to different display requirements.

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

2Ease of operation

If wheels are added to artificial tree stands for easy movement, then the tree can be relocated easily, but the wheels remain visible and non-retractable

Engineering Contradiction:
Improvetree mobilityVSAvoidaesthetic appearance
Core Design Contradiction:
Ease of operationVSShape

Solution Approach 1:

The wheels are designed to be retractable into the frame assembly when not in use. The frame members include recesses or channels that allow the wheels to be stored within the structure of the tree stand itself, hiding them from view when the tree is in its display position, while still providing mobility when needed.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The wheel assembly is designed to be dynamically adjustable between an extended position for mobility and a retracted position for aesthetic display. The wheels can be moved in and out of the frame structure as needed, allowing the system to adapt its configuration based on whether mobility or visual appearance is the priority at any given moment.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS11311133B2Selectively sized artificial tree and wheel assembly
Publication Date: 2022.04.26 WINTERGREEN CORP
  • US11311133B2 patent drawing
  • US11311133B2 patent drawing
  • US11311133B2 patent drawing

AI summary

A selectively sized artificial tree comprising a frame assembly including an upper frame and body frame. The artificial tree may be configured for trees of different heights, having different radii, and having different sector sizes such as full circle, semicircle for positioning against a wall, and conical for positioning in a corner. The frames which are less than full circle may be combined, such as two semi circles for forming a full tree. A wheel assembly is provided for moving the tree. The wheels are housed with the frame when not engaged.