Collapsible Exercise Handle with Spring-Loaded Door Clamp
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Solution Overview
Problem
Conventional pullup bars are not compact, cause damage to doorframes, lack stability, and are inconvenient for travel due to their bulkiness and requirement for partial disassembly.
Innovation Solution
A compact exercise handle system with an adjustable clamp and spring mechanism that securely attaches to doorframes, providing stability and preventing damage, while allowing for easy disassembly and reassembly for travel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a pullup bar is designed as a long horizontal bar to provide exercise functionality, then exercise capability is improved, but it takes up space across the width of the door and is not compact
Solution Approach 1:
The pullup bar is divided into multiple segments that can be collapsed into each other, transforming from a long horizontal bar into a compact vertical configuration. This segmentation allows the bar to maintain full exercise functionality while dramatically reducing the space it occupies when not in use.
Solution Approach 2:
The bar transitions from a horizontal orientation that spans the door width to a vertical collapsed configuration that occupies minimal space. By changing the dimensional arrangement from horizontal extension to vertical compression, the device achieves compactness without sacrificing exercise capability.
2Ease of operation
If a pullup bar is left on the doorway for convenient access, then exercise convenience is improved, but it prevents the door from closing
Solution Approach 1:
The pullup bar is designed to be dynamically reconfigurable between a deployed exercise position and a collapsed storage position. This dynamic capability allows the bar to be quickly moved from the doorway to a compact form that does not obstruct door closure, maintaining both exercise convenience and door functionality.
3Stability of the object's composition
If the pullup bar uses a support bar pressed against the door frame to prevent falling, then stability is improved, but it causes damage to the door frame
Solution Approach 1:
A padded intermediary element is introduced between the support bar and the door frame. This padding layer distributes the contact pressure over a larger area and prevents direct hard contact, thereby maintaining the stabilizing function while eliminating damage to the door frame molding.
4Stability of the object's composition
If the weight is supported by a small portion of the door's upper molding to stabilize the bar, then stability is improved, but the molding moves or becomes damaged over time
Solution Approach 1:
The contact interface between the support bar and door frame is modified with localized padding at the specific contact points. This local quality change distributes the concentrated load from the small contact area across a broader region of the molding, preventing movement and damage while maintaining overall bar stability.
5Reliability
If the pullup bar is designed as a bulky structure for stability and strength, then exercise safety is improved, but it cannot be placed in luggage and requires disassembly for travel
Solution Approach 1:
The robust pullup bar structure is segmented into collapsible sections that can be nested within each other. This segmentation preserves the strength and safety of the individual bar components while enabling the entire assembly to be compressed into a compact form suitable for luggage placement during travel.
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 system allows for convenient placement and use in various locations, enhances stability to prevent injuries, and minimizes damage to doorframes, while being compact and portable for travel.
Implementation Method 1
The clamp also includes a spring within the first portion. The spring biases the clamp in a closed position
Data Source
AI summary
An exercise handle that includes a clamp configured to secure the exercise handle in place. The clamp includes a first portion that includes a first section and a second section. The clamp also includes a spring within the first portion. The spring biases the clamp in a closed position. The clamp further includes a second portion, where the second portion includes a first arm on the first section and a second arm on the second section. The exercise handle also includes a first block attached to the first arm of the second portion and a second block attached to the second arm of the second portion. The exercise further includes a handle. The handle includes a first segment, the first segment placed around at least some of the first portion and a second segment extending perpendicularly from the first segment and rotates relative to the first portion.