Treadmill Overhead Handlebar Assembly for Lower Body Load Reduction
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Solution Overview
Problem
Individuals with leg, foot, or back injuries often avoid using treadmills due to pain, as existing exercise machines do not effectively allow for aerobic conditioning while minimizing impact on these injured areas, limiting mobility and exacerbating discomfort.
Innovation Solution
A treadmill with a rotatably connected handlebar assembly that can be moved from a non-deployed to an upright locked position, featuring biasing members to apply resistance and adjustable height, allowing users to grasp and pull down on an overhead hand grip, reducing weight-bearing load on the lower body and spine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If users exercise on a traditional treadmill, then aerobic conditioning is achieved, but pain and strain occur on legs, feet, and back due to weight-bearing impact
Solution Approach 1:
The overhead handlebar assembly functions as a counterweight mechanism by allowing users to pull downward on the handlebar, which creates an opposing force that offsets the weight-bearing load on the lower body. This reduces the impact and strain on legs, feet, and back while maintaining aerobic conditioning effectiveness.
Solution Approach 2:
The overhead handlebar assembly acts as an intermediary element that transfers weight-bearing responsibility from the lower body to the upper body. By grasping and pulling down on the handlebar, users redistribute their body weight through the arms and shoulders, mediating the harmful impact on injured areas.
2Object-affected harmful factors
If users reduce treadmill speed to minimize impact on injured areas, then pain is reduced, but exercise effectiveness and blood circulation benefits decrease
Solution Approach 1:
The counterweight mechanism enabled by the overhead handlebar allows users to maintain higher treadmill speeds by offsetting the impact forces. The downward pull on the handlebar creates an opposing force that compensates for the increased impact at higher speeds, preserving both exercise effectiveness and blood circulation benefits while managing pain.
3Device complexity
If a fixed handlebar design is used, then device complexity is minimized, but adaptability to different user heights and exercise needs is limited
Solution Approach 1:
The handlebar assembly incorporates height adjustability that allows users to customize the position according to their individual height and exercise requirements. This dynamic adjustment capability enhances adaptability without significantly increasing device complexity, as the adjustment mechanism integrates into the existing overhead structure.
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
Enables users to maintain physical conditioning with reduced pain by distributing weight to the arms, allowing higher treadmill speeds and enhanced blood circulation while minimizing strain on legs and back, suitable for injured individuals and visually impaired users.
Implementation Method 1
biasing members applying a biasing force to a hand grip bar of the handlebar assembly
Data Source
AI summary
A treadmill exercise machine may include a frame having a base and upright supports extending upward from a base. A handlebar assembly may be rotatably connected proximate the distal ends of the upright supports. The handlebar assembly may be moved from a non-deployed position to an upright locked position accessible to a user to grasp and pull down on an overhead hand bar of the handlebar assembly to reduce the weight load transmitted to the user's lower body.