Bicycle Trainer Height Adjustment With Compact Locating Pin Mechanism

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Conventional bicycle trainers lack adjustability for different wheel sizes and are cumbersome, posing safety risks due to difficult manual height adjustments and sharp edges.

Innovation Solution

A bicycle trainer with a height adjusting member featuring a base, pivotally mounted legs, a supporting frame, a cassette module, and a flywheel module, equipped with a locating pin or pawl mechanism for easy angle adjustment, tension control, and integrated power and communication features.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a conventional height adjustment bracket with multiple apertures and pin is used, then height adjustability for different wheel sizes is achieved, but the device becomes non-compact and difficult to operate with one hand

Engineering Contradiction:

Improveheight adjustabilityVSAvoidease of height adjustment

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The height adjustment mechanism is segmented into discrete positioning levels through multiple apertures in the center leg, allowing selective engagement at different heights while maintaining a compact overall structure

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A pin serves as an intermediary element that transfers the user's manual input force to the height adjustment bracket, enabling height change through a simple pushing motion rather than requiring direct manipulation of the bracket itself

Inventive Principle:

Principle #24Intermediary (Mediator)

2Adaptability or versatility

If a conventional height adjustment bracket with sharp angles is used, then height adjustability is achieved, but user safety is compromised due to risk of finger injury

Engineering Contradiction:

Improveheight adjustabilityVSAvoidrisk of finger injury

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The sharp angle formed by the height adjustment bracket and center leg, which could potentially injure fingers, is converted into a beneficial locating feature that guides the pin into the correct aperture position, ensuring proper alignment while maintaining safety

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

3Ease of operation

If the bicycle trainer is designed to be compact and portable, then ease of transport is improved, but height adjustment capability for various wheel sizes may be limited

Engineering Contradiction:

ImproveportabilityVSAvoidheight adjustability

Core Design Contradiction:

Ease of operationVSAdaptability or versatility

Solution Approach 1:

The height adjustment bracket is nested within the compact frame structure, with multiple apertures providing various height levels while maintaining a space-efficient design that folds or collapses for portable storage

Inventive Principle:

Principle #7Nested doll (Nesting)

Data Source

PatentUS12357895B2Bicycle trainer with height adjusting member

Publication Date: 2025.07.15 GIANT MANUFACTURING CO LTD

AI summary

A bicycle trainer includes a base having a base portion and a standing portion, a supporting frame rotationally pivoted on the standing portion of the base around an axle, a cassette module mounted on the supporting frame and having multiple sprockets, and a flywheel module mounted on the supporting frame. A height adjusting member includes the standing portion, the supporting frame and a fixing element. The fixing element is placed in or between the standing portion and the supporting frame for keeping the supporting frame at a predetermined angle with respect to the standing portion.