6-DOF Exercise Handle With Parallel Bar Linkage for High Load
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Solution Overview
Problem
Existing exercise handles for high-load applications are often complex and prone to failure due to their design, which can be costly and inefficient in providing a range of motion.
Innovation Solution
A 6-degree of freedom exercise handle design featuring a rotatable handle member pivotably connected between two side members with parallel bar members and a central support member, allowing for side-to-side tilting and rotation, providing structural strength and ease of use while maintaining parallel alignment during motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a complex design is used to withstand high loads, then strength is improved, but device complexity increases and cost increases
Solution Approach 1:
The handle assembly is divided into separate components: a handle member, side members, parallel bar members, and a central support member. Each component can be manufactured independently and assembled together, reducing overall complexity while maintaining strength through the distributed structure.
Solution Approach 2:
The patent introduces parallel bar members that extend in a direction parallel to the handle member, adding a dimensional aspect to the load distribution. This parallel arrangement creates a more robust structure that can withstand high loads from multiple directions without requiring excessive complexity in individual components.
2Strength
If a complex design is used to withstand high loads, then strength is improved, but reliability decreases due to proneness to failure
Solution Approach 1:
By segmenting the handle into multiple independent components (handle member, side members, parallel bar members, central support member), the failure of one component does not necessarily lead to complete system failure. The modular design allows for isolated repairs or replacements, improving overall reliability.
Solution Approach 2:
The patent combines multiple structural elements (parallel bar members alongside the handle member) to create a redundant load-bearing system. This merging of components provides backup support paths, reducing the likelihood of complete failure under high loads.
3Strength
If a complex design is used to withstand high loads, then strength is improved, but manufacturing cost increases
Solution Approach 1:
Segmenting the handle into separate manufacturable components allows each part to be produced using standard manufacturing processes for simpler, more cost-effective production. The components can be manufactured independently and then assembled, reducing overall manufacturing complexity and cost.
Solution Approach 2:
The parallel bar members are designed to extend in a direction parallel to the handle member, creating a structurally efficient configuration that can be manufactured using conventional processes. This dimensional arrangement provides strength without requiring complex machining or assembly operations.
4Ease of operation
If rotation about multiple axes is provided, then ease of operation is improved for natural exercise, but device complexity increases
Solution Approach 1:
The patent merges multiple rotational functions into a single integrated handle assembly where the handle member, parallel bar members, and central support member work together to provide rotation about multiple axes (longitudinal axis of the handle member and transverse axes through the parallel bar members). This combined approach provides comprehensive range of motion without requiring separate mechanisms for each rotation, thus avoiding excessive complexity.
Data Source
AI summary
An exercise handle including a rotatable handle member pivotably connected between two side members by two handle member side pivots. A parallel bar member can be pivotably connected between the two side members spaced away and parallel to the handle member. The parallel bar member can be connected between the two side members by two bar member side pivots. A central support member can be pivotably connected to the parallel bar member by a central pivot, providing the handle member with side to side tilting relative to the central support member. A central joint can be connected to the central support member for connecting to an exercise device.