Removable Crossbar Assembly for Adjustable Exercise Ladder Height
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Solution Overview
Problem
Exercise ladders with permanently mounted crossbars often fail to accommodate participants of varying shoulder heights, diminishing the effectiveness of exercises as participants must use crossbars that are not closely aligned with their shoulder height.
Innovation Solution
A removable crossbar assembly with horizontally spaced-apart brackets and notches that can be attached to an exercise ladder, allowing for adjustable crossbar positions between fixed rungs, including a horizontal plank for additional support and securement straps for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If permanently mounted crossbars are used at regular intervals, then the structure is simple and stable, but participants of varying shoulder heights cannot find properly aligned crossbars
Solution Approach 1:
The crossbar system is segmented into fixed crossbars mounted on the ladder and removable crossbars that can be independently positioned. This segmentation allows the fixed structure to remain simple while the removable components provide adjustability for different user heights.
Solution Approach 2:
The crossbar system transitions from a completely static fixed structure to a dynamic system where crossbars can be removed and repositioned. This allows the ladder to adapt to different user requirements while maintaining structural stability through the fixed ladder framework.
2Ease of operation
If crossbars are spaced 8 inches apart, then manufacturing is simple and consistent, but participants cannot use crossbars at their optimal shoulder height
Solution Approach 1:
Removable crossbars act as intermediaries between the fixed ladder structure and the user's body. These intermediate crossbars can be positioned at various heights to match different shoulder heights, providing optimal exercise alignment without changing the fixed ladder's simple 8-inch spacing.
3Adaptability or versatility
If removable crossbar assembly is added, then adjustable height positions are enabled, but the device becomes more complex
Solution Approach 1:
The removable crossbar assembly is designed as a separate, self-contained unit that can be independently attached to or removed from the ladder. This segmentation allows height adjustability to be added without complicating the overall ladder structure, as the removable assembly handles the complexity independently.
Solution Approach 2:
The removable crossbar assembly serves multiple functions: it provides adjustable height positioning, maintains structural stability when attached, and can be easily removed for storage or transport. This multi-functionality justifies the added complexity by delivering multiple benefits from a single component.
Data Source
AI summary
A removable crossbar assembly and an exercise ladder arrangement including the removable crossbar assembly. The crossbar assembly is configured to be secured to an exercise ladder to provide an exercise crossbar disposed between two fixed exercise crossbars on the exercise ladder. The crossbar assembly may also include a brace for securing an independent exercise device to the crossbar assembly. The crossbar assembly advantageously provides the placement of a crossbar for exercising closer to the desired height of a participant, e.g., closer to the should height of a participant, to increase the efficacy of the exercise.