Exercise Bar Handle Attachment Mechanism
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Solution Overview
Problem
Existing exercise equipment with elastic members and bars lacks a simplified and secure method for attaching and detaching handles, which can lead to instability and user inconvenience.
Innovation Solution
A hollow exercise bar with elongated channels and caps that securely attach and detach handles using a loop system, allowing for easy interlocking and releasing of handles by pulling in different directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a rigid bar with elastic members is used for exercise apparatus, then structural strength and stability are improved, but the complexity of attaching and detaching handles increases
Solution Approach 1:
The bar is segmented with hollow sections at the ends, allowing separate insertion of handles through passage holes. This segmentation enables independent attachment of handles without requiring complex external fastening mechanisms, thus reducing attachment complexity while maintaining structural strength.
Solution Approach 2:
The handles are inserted within the hollow sections of the bar, with the bar structure containing the handles internally. This nesting approach eliminates the need for external attachment hardware, simplifying the attachment mechanism while preserving the structural integrity of the bar.
2Reliability
If traditional attachment methods are used for handles, then secure fastening is achieved, but ease of operation for attaching and detaching handles deteriorates
Solution Approach 1:
The bar is pre-designed with hollow sections and passage holes at strategic positions before assembly. Users simply need to insert handles through these pre-prepared openings, eliminating the need for complex fastening operations. This preliminary preparation of the bar structure ensures both secure attachment and ease of operation.
Solution Approach 2:
The attachment mechanism is extracted from complex external fastening systems and simplified to basic insertion through passage holes. By removing unnecessary attachment components and relying on the hollow bar structure itself, the system achieves both security and ease of operation.
3Ease of operation
If passage holes are provided in the bar for handle insertion, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The hollow sections of the bar serve multiple functions: they provide structural strength, contain the handles internally, and facilitate easy insertion through passage holes. By making the hollow sections multi-functional, the design achieves ease of operation without adding separate complexity for each function.
Solution Approach 2:
The passage holes are integrated directly into the hollow bar structure rather than being separate components. This merging of the insertion mechanism with the bar structure itself eliminates additional parts, achieving ease of operation without increasing overall device complexity.
Data Source
AI summary
An exercise apparatus that includes a bar member having opposed ends with each end being a closed end and having adjacent to the closed end an open channel defined by an elongated slot. An elastic member with handles attached to respective ends of the elastic member and a cap member disposed about the closed end of the bar member for retaining the handle in place. A method of attachment is also illustrated.