Telescoping Pulling Tool Handlebar Attachment

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Solution Overview

Problem

Children face challenges in understanding the interaction between pedaling and wheel motion in human-powered wheeled vehicles like tricycles, and there is a need for a training tool that can assist them in learning to operate these vehicles, especially when they are tired or pedaling too slowly.

Innovation Solution

A pulling and training tool with a telescoping shaft member and a connecting member that securely attaches to the handlebar of a human-powered wheeled vehicle, allowing a trainer to guide the vehicle, providing bio-feedback and support, comprising a pair of prong members with cradles and stretchable straps to secure the handlebar, and adjustable telescoping shaft sections for extended length.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fixed-length connecting member is used to attach to the handlebar, then the attachment structure is simple, but the tool cannot adapt to different vehicle sizes or training needs

Engineering Contradiction:

Improveadaptability to different vehicle sizesVSAvoidcomplexity of telescoping mechanism

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The connecting member employs a telescoping shaft with multiple extendable sections that can be adjusted between retracted and extended positions. This dynamic structure allows the tool to adapt to different handlebar distances and vehicle sizes while maintaining a relatively simple overall design through the use of standard telescoping mechanisms

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If the connecting member is made rigid and fixed, then the structure is stable, but it cannot provide flexible adjustment for different training scenarios

Engineering Contradiction:

Improveadjustability for different training scenariosVSAvoidstructural stability

Core Design Contradiction:

Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The telescoping shaft provides dynamic adjustability allowing the connecting member to be extended or retracted based on training needs, while the prong members with cradles and straps provide static stabilization when locked into position, achieving both adaptability and structural stability

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The connecting member is divided into multiple telescoping sections that can be independently adjusted, allowing flexible configuration while maintaining overall structural integrity through the segmented design

Inventive Principle:

Principle #1Segmentation

3Reliability

If the tool provides extensive support and control, then the child feels secure, but the child may become dependent and not learn to pedal independently

Engineering Contradiction:

Improvesense of security for the childVSAvoidindependent pedaling ability

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The tool provides mechanical feedback through the connecting member that transmits the child's pedaling efforts to the vehicle motion, helping the child understand the relationship between pedal input and vehicle output while maintaining security through physical support

Inventive Principle:

Principle #23Feedback

Data Source

PatentEP3500478B1Pulling tool for human-powered cycling vehicle

Publication Date: 2020.11.04 TRAVAGLINI ANTONIO

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Figure 2A~2C
Figure 3A~3B

AI summary

A pulling tool for a human-powered wheeled vehicle comprising an arm member including a telescoping shaft member and a handle member; and a connecting member configured to releasably connect to a handlebar of the human-powered wheeled vehicle such that the training tool can be used to direct and control the human-powered wheeled vehicle allowing a rider to learn how to operate the human-powered wheeled vehicle, wherein the connecting member includes a shaft receiving member configured to receive the telescoping shaft member, the shaft receiving member connected to a rectangular support element configured to receive a pair of prong members.