Telescoping Arm Exercise Machine with Vertical Pivot
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Solution Overview
Problem
Existing strength training machines lack the ability to be configured in various ways to perform different strength training exercises, limiting their versatility and effectiveness.
Innovation Solution
The development of an exercise machine with telescoping arms that can be adjusted in length and pivoted vertically, allowing for multiple exercise configurations and positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the arm structure is fixed with a single length, then the structural design is simple, but the exercise machine cannot perform various strength training exercises
Solution Approach 1:
The arm is divided into multiple telescoping sections that can extend and retract independently. Each section has its own locking mechanism, allowing the arm to be segmented into different length configurations. This segmentation enables the same arm structure to accommodate multiple exercise types by adjusting the extended length of each segment.
Solution Approach 2:
The arm structure transitions from a static fixed-length design to a dynamic telescoping design. The arm can dynamically adjust its length during operation, allowing users to configure different arm lengths for different exercises. The telescoping mechanism with locking pins enables the arm to maintain selected lengths while providing adaptability for various exercise configurations.
2Adaptability or versatility
If the arm length is fixed, then the manufacturing and assembly process is simple, but the machine cannot be adjusted for different exercise positions
Solution Approach 1:
The telescoping arm sections are nested within each other, with inner sections sliding inside outer sections. This nesting arrangement allows multiple arm length configurations to be achieved using a compact structure. The nested design facilitates manufacturing by using standardized tube sections that can be produced independently and then assembled with locking mechanisms.
Solution Approach 2:
The arm length parameter can be changed by extending or retracting the telescoping sections. Instead of manufacturing multiple fixed-length arms, the design allows continuous adjustment of the arm length parameter within a range, providing versatility while simplifying manufacturing to a single adjustable component design.
3Adaptability or versatility
If the arm can pivot vertically for different positions, then exercise versatility is improved, but the structural complexity and control difficulty increase
Solution Approach 1:
The vertical pivoting capability is merged with the telescoping arm structure at the shoulder joint. This integration allows the arm to perform both telescoping and pivoting motions from a unified mechanism, reducing overall system complexity. The shoulder joint serves as both the pivot point for vertical rotation and the mounting point for the telescoping sections.
Solution Approach 2:
The shoulder joint mechanism is designed to provide universal movement capability, allowing the arm to pivot vertically for different exercise positions while also supporting the telescoping function. This multi-functional joint reduces the need for separate mechanisms for each degree of freedom, simplifying the overall structure while maintaining exercise versatility.
Data Source
AI summary
A weight training machine includes a central console including a motor. It further includes an arm having a length attached on either side of the console by a joint that allows rotation of the arm in a substantially vertical plane. It further includes a cable routed from the motor through the arm to a distal end of the arm. The cable terminates at an attachment point. The arm includes an outer section and an inner section arranged to telescope in a manner that changes the length of the arm.