Tube Cutting and Bending Kit for Custom Construction Toy Frames

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Solution Overview

Problem

Existing construction toys lack flexibility in allowing users to customize the length and shape of elongate elements, limiting the creation of dynamic structures and requiring full kit purchases for additional pieces.

Innovation Solution

A device and kit that enable users to cut and bend hollow elongate tubes to desired lengths and angles, combined with various connectors for forming two- or three-dimensional structures, and a reinforcing tool for securing connections.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If users purchase additional full kits to get more tube pieces, then the quantity of tubes available for building increases, but the cost and device complexity increase significantly

Engineering Contradiction:
Improvequantity of tubesVSAvoidkit complexity
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The invention segments the tube supply from fixed pre-assembled kits into individual manageable tube pieces that can be cut from longer tubes. Users start with a base kit containing longer tubes and cutting tools, then segment these tubes into smaller pieces as needed to create additional building elements without purchasing complete additional kits.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention enables users to serve themselves by providing cutting tools and measuring devices that allow them to create their own tube pieces from the tubes already included in the base kit. This self-service approach eliminates the need to purchase additional kits and allows users to generate unlimited tube pieces from the original material supply.

Inventive Principle:
Principle #25Self-service

2Ease of manufacture

If construction toys provide fixed pre-cut tube pieces, then ease of manufacture is improved, but adaptability and user flexibility deteriorate

Engineering Contradiction:
Improveease of assemblyVSAvoidcustomization flexibility
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The invention introduces dynamics into the construction system by providing tubes that can be cut and resized by the user. Instead of fixed static tube lengths, users can dynamically adjust tube lengths and create custom-sized pieces to match their specific building designs, combining the simplicity of pre-cut pieces with the flexibility of custom dimensions.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The invention allows users to change the parameters of the tube pieces (length, size) by providing cutting tools and measuring devices. Users can modify the physical parameters of the tubes to match their design requirements, transforming the fixed-parameter system into a variable-parameter system that adapts to different building needs.

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If tubes are made customizable in length and shape, then adaptability improves, but manufacturing precision and connection reliability may worsen

Engineering Contradiction:
Improvecustomization capabilityVSAvoidcutting precision
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The invention replaces manual cutting with specialized cutting tools designed for the tubes. These tools provide mechanical assistance and guidance to achieve precise cuts, substituting the imprecision of hand-cutting with tool-assisted cutting that maintains manufacturing precision even as customization increases.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The invention introduces measuring devices and cutting guides as intermediary tools between the user's customization intent and the actual tube modification. These intermediaries ensure that user-defined custom dimensions are accurately translated into precise tube cuts, maintaining manufacturing precision while enabling adaptability.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Loss of substance

If users can cut and bend tubes themselves, then loss of substance is reduced by utilizing existing tubes, but ease of operation deteriorates due to additional tools and steps

Engineering Contradiction:
Improvematerial wasteVSAvoidoperational simplicity
Core Design Contradiction:
Loss of substanceVSEase of operation

Solution Approach 1:

The invention merges the cutting, measuring, and tube-modification functions into an integrated system that works directly with the existing tubes. By combining these functions in a unified approach, the system reduces material waste while maintaining operational simplicity, as users work with the tubes already present rather than adding separate material management steps.

Inventive Principle:
Principle #5Merging (Combining)

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

Enhances user flexibility in building structures by allowing customization of tube lengths and angles, enabling the creation of dynamic and complex designs without the need for full kit purchases, while ensuring secure connections.

Implementation Method 1

rotating the rotational blade of the cutting subassembly relative to the hollow elongate tube, thereby to cut the hollow elongate tube

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 2

rotating the user grippable handle, together with the securing pin, relative to a body of the device and to the base, thereby causing the securing pin to push the hollow elongate tube about the base and bending the hollow elongate tube

Methodology Applied
Scientific EffectMechanical Force: Mechanical Force

Data Source

PatentEP4008448B1Construction toy including tubes and connectors, and device for cutting and bending tubes therefor
Publication Date: 2024.12.04 FLYCATCHER CORP LTD
  • EP4008448B1 patent drawingFigure 1A
  • EP4008448B1 patent drawingFigure 1B
  • EP4008448B1 patent drawingFigure 1C~1E

AI summary

A device for cutting and bending a hollow elongate tube. A measuring subassembly is adapted for measuring a desired size of the tube. A cutting subassembly is adapted for cutting the tube to the desired size. A bending subassembly is adapted for bending the cut tube to a desired angular orientation. The bending subassembly includes a base controlling a radius of a bend to be formed in the cut hollow elongate tube, and a user grippable handle. The user grippable handle is configured to enable a user to rotate the cut hollow elongate tube, relative to the round base, to form the bend in the cut hollow elongate tube.