Exercise Machine with Button-Operated Push-Locks
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Solution Overview
Problem
Conventional weight training machines are inaccessible to individuals with limited mobility and dexterity due to complex manual adjustments and spatial requirements, leading to a lack of versatility and high costs for facilities to accommodate both wheelchair-bound and non-wheelchair-bound users.
Innovation Solution
A weight lifting machine with pivotable extension arms, button-operated push-locks, a solenoid-driven resistance assembly, an adjustable support pad, and a wheelchair stabilization system, allowing users to easily adjust and secure configurations, connect user interfaces, and stabilize wheelchairs, facilitating a variety of exercises.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional weight training machines are designed to accommodate users with full physical mobility and dexterity, then the machines can provide effective muscle isolation and exercise functionality, but they become inaccessible to handicapped users with limited mobility and dexterity
Solution Approach 1:
The exercise machine is designed with universal features that accommodate both wheelchair-bound and non-wheelchair-bound users. The machine includes a wheelchair stabilization system with cables and hooks that secure wheelchairs in place, an adjustable support pad that can be positioned for different user types, and a sliding bench that can be locked in various positions. These universal features allow the same machine to serve diverse user needs effectively.
Solution Approach 2:
The machine incorporates dynamically adjustable components including extension arms that can be positioned at various angles, cable guides that slide along the arms, and a support pad that moves and pivots to accommodate different body positions. These dynamic adjustments allow the machine to adapt to different user configurations and exercise requirements, making it accessible to both able-bodied and handicapped users.
2Ease of operation
If wheelchair-friendly machines feature highly specialized structures to accommodate wheelchair size and shape, then wheelchair-bound users can effectively use the machines, but the machines become large, expensive, and limited in versatility
Solution Approach 1:
The machine is divided into modular components including extension arms, cable guides, support pads, and a sliding bench that can be independently adjusted and configured. This segmentation allows the machine to be customized for different users without requiring a completely specialized structure, reducing overall complexity while maintaining wheelchair accessibility through the stabilization system.
Solution Approach 2:
The machine allows users to change parameters such as arm angles, cable guide positions, support pad locations, and bench positions to accommodate different exercise needs and user configurations. This parameter adjustability provides versatility without requiring specialized structures for each specific user type, avoiding the need for multiple expensive machines.
3Device complexity
If conventional machines use spring-loaded locking pins for adjusting components, then the locking mechanism is compact, but users with diminished finger dexterity have great difficulty operating them
Solution Approach 1:
The patent introduces button-operated push-locks as an intermediary mechanism between the user and the locking function. Instead of requiring direct manipulation of spring-loaded pins, users press buttons that activate the locking action. This intermediary interface is much easier to operate for users with limited finger dexterity while maintaining the compactness of the locking mechanism.
Solution Approach 2:
The patent replaces the traditional spring-loaded pin locking mechanism with a button-operated push-lock system. This substitution uses a different mechanical approach where button pressure activates a locking action, making the interface much more accessible to users with limited finger dexterity while keeping the overall mechanism compact and integrated into the machine structure.
4Adaptability or versatility
If facilities purchase multiple specialized machines to provide complete workout options for wheelchair-bound users, then all exercise types are available, but the facility spends great money and floor space
Solution Approach 1:
The exercise machine is designed with universal features that allow a single machine to provide a complete array of exercise options for both wheelchair-bound and non-wheelchair-bound users. The machine includes multiple extension arms, cable guides, support pads, and a sliding bench that can be configured for various exercises, eliminating the need for multiple specialized machines and reducing facility space requirements.
Solution Approach 2:
The patent combines the functionality of multiple specialized machines into a single versatile unit. By integrating the wheelchair stabilization system, adjustable support pad, sliding bench, and multiple extension arms with cable guides, the machine merges the capabilities of what would traditionally require several separate machines, reducing both floor space and facility costs.
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 both able-bodied and handicapped individuals to perform a wide range of weightlifting exercises with ease, reducing the need for specialized and expensive equipment, making workouts more accessible and cost-effective for facilities.
Implementation Method 1
The resistance assembly includes a solenoid tower having two solenoid driven pins mounted to vertically movable tracks
Implementation Method 2
Cables are linked to each weight stack and extend to the cable guides through a series of pulleys in the manner of a conventional weightlifting machine
Data Source
AI summary
A handicapped accessible exercise apparatus having a central housing with two pivoting extension arms. Cables extend from weight stacks within the housing to movable cable guides on the arms for engagement by a user. By adjusting the positions of the arms and the cable guides, the apparatus can be configured to facilitate various exercises and to accommodate users of various sizes. The apparatus is provided with button-operated locks for allowing users with limited manual dexterity to easily lock and unlock the positions of the extension arms and the cable guides.