Spa Rowing Adapter With Adjustable Hydraulic Resistance
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Solution Overview
Problem
Rowing machines require dedicated space and equipment, limiting their use in existing spas or pools, which are already investments for relaxation and exercise.
Innovation Solution
A spa rowing adapter that transforms an existing pool or spa into a rowing machine by using adjustable lever arms and a resistance cylinder with adjustable resistance, allowing users to row from seated, squatting, or standing positions, with components designed to minimize water contact and be easily removable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a dedicated rowing machine is used, then rowing exercise function is provided, but cost and space requirements increase
Solution Approach 1:
The patent transforms a spa into a multi-functional device by adding a rowing adapter system. The adapter includes lever arms with grips that connect to the spa wall, allowing the spa to function both as a traditional hydrotherapy device and as a rowing machine, eliminating the need for separate equipment
Solution Approach 2:
The invention merges two distinct exercise functions (spa hydrotherapy and rowing) into a single integrated system. The rowing adapter components (lever arms, resistance cylinders, grips) are combined with the existing spa structure, creating a unified multi-functional device
2Adaptability or versatility
If a dedicated rowing machine is used, then rowing exercise function is provided, but space requirements increase
Solution Approach 1:
The spa serves dual purposes as both a relaxation/hydrotherapy device and a rowing exercise machine. The adapter system allows full-body rowing exercise within the existing spa footprint, eliminating the need for additional space-dedicated rowing equipment
Solution Approach 2:
The invention utilizes the vertical dimension by mounting lever arms and resistance cylinders on the spa wall rather than occupying horizontal floor space. This vertical arrangement allows rowing exercise to occur within the existing spa boundaries without requiring additional floor area
3Device complexity
If resistance bands or bungee cords are used, then simplicity is maintained, but resistance consistency deteriorates
Solution Approach 1:
The patent replaces floppy resistance bands or bungee cords with rigid resistance cylinders that contain viscous fluid. This substitution provides consistent, controllable resistance through hydraulic principles while maintaining adjustability through external weighting mechanisms
Solution Approach 2:
The resistance mechanism allows adjustment of resistance parameters by changing the weight applied to the piston in the resistance cylinder. Users can modify resistance levels by adding or removing weights, providing consistent and measurable resistance changes
4Ease of operation
If equipment components are placed in water, then ease of operation is improved, but equipment lifespan deteriorates
Solution Approach 1:
The patent uses the spa wall as an intermediary mounting surface for the rowing adapter components. Lever arms, resistance cylinders, and pivot points are mounted on the wall above water level, allowing users to access grips from within the water while keeping mechanical components dry and protected
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 full-body, low-impact exercise in a spa or pool without the need for additional space or equipment, providing adjustable resistance and extending the life of the equipment by minimizing water contact.
Implementation Method 1
The resistance cylinder provides an adjustable amount of resistance during both the extending and retracting motions. The resistance cylinder changes length in response to a force, with the resistance of the motion set by an internal mechanism.
Implementation Method 2
The resistance cylinder creates a force that opposes any attempt to increase its length. But the resistance cylinder does not oppose a reduction in length.
Data Source
AI summary
The spa rowing adapter is a device for installation within an existing pool or spa that transforms the pool or spa into a rowing machine. The user grips lever arms, pulling on the arms from a seated or standing position in a rowing motion. In contrast to the prior art, the spa rowing adapter uses a resistance cylinder rather than floppy resistance bands or bungee cords. The resistance cylinder provides an adjustable amount of resistance during both the extending and retracting motions. The resistance cylinder changes length in response to a force, with the resistance of the motion set by an internal mechanism. The internal mechanism is adjustable by the user through rotation of a collar.