Decorative Tree with Modular Branch Coupling for Quick Replacement
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Solution Overview
Problem
Existing decorative trees lack a robust and efficient system for inserting, removing, and replacing branches, particularly in commercial settings or environments where durability and frequent changes are required, as current solutions often involve permanent installations or require disassembly of the tree trunk.
Innovation Solution
A decorative tree system with a tree trunk featuring multiple limb stubs that can securely receive and release interchangeable branches, utilizing a reversible coupling system with alignment protuberances and channels or magnetic connections to ensure sturdy support while allowing easy branch replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If branches are permanently installed using bolts and cables attached to a clamp, then the connection is robust, but the branches cannot be removed and replaced
Solution Approach 1:
The patent divides the tree structure into modular segments: a trunk with limb stubs and separate interchangeable branches. Each branch is a discrete unit that can be independently attached or detached from the limb stubs, enabling both structural integrity and replaceability. The connection interface is segmented into a male portion on the branch and a female receiver on the limb stub.
Solution Approach 2:
The patent transitions from a static permanent connection to a dynamic reversible connection system. The branches are designed to be attachable and detachable through a mechanical coupling mechanism, allowing the tree structure to adapt its configuration over time. This dynamic capability enables seasonal changes, repair replacements, and aesthetic variations while maintaining connection strength during use.
2Ease of operation
If the trunk is disassembled to install layers of branches, then branches can be installed, but recurring substitution requires disassembly which is time consuming
Solution Approach 1:
The patent segments the branch attachment function from the trunk structure itself. Limb stubs are pre-integrated into the trunk, creating dedicated receptacles for branches. This segmentation allows branches to be attached or removed without affecting the trunk's structural integrity or requiring trunk disassembly, enabling quick seasonal or aesthetic changes.
Solution Approach 2:
The limb stubs are pre-positioned and pre-configured on the trunk during manufacturing, with receivers ready to accept branch male portions. This preliminary preparation eliminates the need for on-site trunk disassembly or complex installation procedures, allowing branches to be quickly attached in a simple snap-in or screw-in operation.
3Reliability
If a robust connection system is used for interchangeable branches, then branch stability is improved, but the ease of removal and replacement may be reduced
Solution Approach 1:
The patent replaces complex mechanical fastening systems (bolts, cables, clamps) with a simpler mechanical coupling system based on complementary male-female geometry. The male portion with protrusions fits into the female receiver with corresponding recesses, creating a stable connection through geometric interlocking rather than heavy fasteners. This substitution maintains reliability while enabling easy attachment and detachment.
Solution Approach 2:
The connection interface acts as an intermediary mechanism between the branch and limb stub. The male-female coupling system with alignment protuberances and channels provides both structural stability and operational ease. The geometric features guide proper alignment and create a secure fit, while the simple interface allows quick connection and disconnection without complex tools or procedures.
Data Source
AI summary
A fabricated decorative tree with insertable branches system is provided that includes a tree trunk configured with at least one limb stub that is configured to receive a branch. The trunk, stub, and branch all have internal supports and an external decorative skin. The stub internal support has a proximal end fixedly attached to the trunk internal support and has a stub distal end having a receptor with a channel cut at least through the internal support distal edge. Only the distal end of the branch internal support is covered with the external skin. The uncovered proximal end of the branch internal support is a male sleeve insert having an outwardly projecting alignment protuberance sized to fit within the stub's channel. Means to further secure the stub-branch joint and methods by which one set of interchangeable branches are replaced by a second set of branches are also provided.