Cardiac Training Device With Adjustable Handrail Height

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Solution Overview

Problem

Traditional cardiac enhancement training devices can cause joint injuries due to inadequate handrail adjustability and difficulty in maintaining a target heart rate, leading to interrupted workouts and reduced exercise effectiveness.

Innovation Solution

The device features an adjustable height assembly for handrails and an automatic height adjustment system controlled by a central control station, which adjusts handrail height and exercise platform settings based on user data inputs to reduce joint stress and maintain heart rate within a target range.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If handrails are made fixed at a standard height, then the device structure is simple, but it cannot accommodate users of different heights and causes joint stress

Engineering Contradiction:

Improvehandrail adaptability to different usersVSAvoidhandrail adjustment mechanism

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The handrail height adjustment mechanism transforms the static handrail into a dynamic component that can change position. The motor-driven screw mechanism allows the handrail to move vertically along the support post, enabling adaptation to different user heights while maintaining structural integrity through the threaded connection system.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The adjustable handrail system serves multiple functions: it provides support for users of different heights, enables heart rate monitoring through integrated sensors, and offers automated height adjustment based on user input. This multi-functionality resolves the contradiction by making the handrail adaptable to various user needs without proportionally increasing complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Reliability

If heart rate monitoring requires manual contact with sensors, then the monitoring system is simple, but users may not contact the sensor correctly causing measurement errors and interrupted workouts

Engineering Contradiction:

Improveheart rate measurement accuracyVSAvoidheart rate monitoring operation

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The heart rate monitoring system automatically detects and processes heart rate data without requiring user intervention for sensor contact. The optical sensor continuously monitors heart rate through the handrail, and the system automatically adjusts exercise parameters based on the detected heart rate, making the monitoring process self-service and eliminating user error.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system implements continuous feedback by monitoring heart rate in real-time and automatically adjusting exercise parameters when heart rate deviates from the target range. This closed-loop feedback mechanism ensures reliable heart rate measurement and automatic response, improving both measurement accuracy and ease of operation.

Inventive Principle:

Principle #23Feedback

3Productivity

If users manually adjust exercise parameters to maintain target heart rate, then the control system is simple, but workouts are interrupted and exercise effectiveness is reduced

Engineering Contradiction:

Improveworkout continuityVSAvoidautomatic parameter adjustment

Core Design Contradiction:

ProductivityVSExtent of automation

Solution Approach 1:

The exercise device performs self-adjustment of speed and resistance parameters based on real-time heart rate monitoring. The motor-driven transmission system automatically modifies exercise intensity without user intervention, maintaining workout continuity and eliminating the need for manual parameter changes while preserving full automation capability.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The automated heart rate monitoring and parameter adjustment system ensures continuous exercise action without interruptions. The system continuously monitors heart rate and makes real-time parameter adjustments, maintaining the useful exercise action uninterrupted and maximizing workout effectiveness through seamless automation.

Inventive Principle:

Principle #20Continuity of useful action

4Adaptability or versatility

If handrails are made adjustable in height, then they can support users of different heights, but the device complexity increases

Engineering Contradiction:

Improvehandrail height adjustabilityVSAvoidheight adjustment mechanism

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS20250288858A1System and Method For Controlling a Cardiac Enhancement Training Device

Publication Date: 2025.09.18 KIM HOONYOUNG

AI summary

A cardiac enhancement training device is provided. The cardiac enhancement training device includes an adjustable height assembly designed to change a height of a handrail of the cardiac enhancement training device. In one instance, the adjustable height assembly changes the height of the handrail by changing a height of an upper base including the handrail. In one instance, the adjustable height assembly is included in a plurality of support posts that support an upper base of the cardiac enhancement training device. Further, provided are system and methods for adjusting one or more operating parameters of the cardiac enhancement training device based on a plurality of user inputs.