Hand-over-hand Fitness Machine with Vertical Guide Rails
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional hand-over-hand fitness machines require significant space for assembly and use, and users must turn around to continue exercising, disrupting continuous motion and muscular endurance training.
Innovation Solution
A fitness machine with sliding handles and guide rails that allow for back-and-forth motion, incorporating a pulley system to facilitate alternating hand positions and adjustable resistance, enabling continuous exercise without the need for extensive space or turning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a long horizontal ladder structure with many rungs is used to enable sustained movement in one direction, then muscular endurance training is improved, but the space required for the device increases significantly
Solution Approach 1:
The patent transforms the traditional horizontal ladder structure into a vertical orientation. The guide rails extend vertically instead of horizontally, allowing the handles to move up and down along the vertical rails. This dimensional change enables sustained repetitive motion in a compact vertical space, eliminating the need for a long horizontal structure while maintaining the ability to perform endurance training exercises.
Solution Approach 2:
The patent incorporates a pulley system with cables that dynamically connects the two handles. As one handle moves upward, the pulley mechanism automatically causes the other handle to move downward, creating a dynamic alternating motion pattern. This dynamic system enables continuous exercise without requiring the user to manually reposition or turn around, maintaining exercise continuity in a compact space.
2Duration of action of moving object
If a long horizontal ladder structure is used to provide sufficient rungs for sustained exercise, then exercise continuity is improved, but the user must turn around at each end, breaking the continuity of active motion
Solution Approach 1:
The pulley system creates a dynamic mechanical connection between the two handles that automatically alternates their positions. When the user pulls one handle upward, the cable and pulley mechanism automatically pushes the other handle downward. This dynamic interaction enables continuous alternating motion without requiring the user to turn around or reset their position, maintaining exercise continuity seamlessly.
Solution Approach 2:
The patent designs the system so that the exercise action continues uninterrupted. The pulley mechanism ensures that as one handle completes its upward stroke, the other handle is simultaneously moving downward, allowing the user to continuously alternate pulls without stopping or repositioning. This eliminates the breaks in exercise continuity that occur with traditional horizontal ladders when users must turn around at each end.
3Power
If a pulley system with cables is used to connect handles and provide resistance, then exercise effectiveness is improved, but device complexity increases
Solution Approach 1:
The pulley system with cables serves multiple functions simultaneously: it connects the two handles mechanically, provides resistance through the cable tension, enables the alternating motion pattern, and allows for adjustable resistance levels. This multi-functional design achieves exercise effectiveness without requiring separate mechanisms for each function, thereby limiting the increase in overall device complexity.
Solution Approach 2:
The cable acts as an intermediary element that transfers force between the handles and the resistance mechanism. Rather than requiring direct mechanical connection between complex components, the cable mediates the force transmission, simplifying the overall system architecture while maintaining exercise effectiveness through adjustable resistance.
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
The machine allows for efficient, continuous exercise that targets the upper body and core, accommodating various fitness levels and reducing stress on the shoulders, while enabling longer aerobic cardio sessions without interruptions.
Implementation Method 1
a pulley system and cables to connect the handles such that when one handle is moved in a first direction, the other handle is moved in a second direction
Implementation Method 2
springs or other resistance mechanisms to provide adjustable resistance
Implementation Method 3
sliding handles and guide rails that allow for back-and-forth motion
Data Source
AI summary
An exercise machine. The machine includes a frame with front and rear upper support beams. Guide rails span between the two support beams and are connected thereto. Right and left handles are configured to slide back and forth along the length of the guide rails between the front and rear support beams. During operation of the machine, a user grabs the handles and moves them back and forth in a swinging motion that mimics traversing a set of monkey bars. The guide rails may be arranged in a non-parallel configuration to provide a more natural path for the user's hands during operation and to reduce unwanted stress on the user's shoulders by limiting handle movement along the path to accommodate a more comfortable range of motion.