Pivoting Weight Arm Assembly for Rack-Mounted Exercise
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Weight lifting racks require frequent equipment changes for different exercises, leading to time-consuming and inconvenient downtime during workouts due to the need for multiple types of weights and modular equipment.
Innovation Solution
A pivoting weight arm assembly that can be attached to a weight lifting rack, allowing for various exercises and easily moved out of the way when not in use, featuring a mounting bracket, pivotable arm mount, stop member, and weight arm, enabling rotation around orthogonal axes for different exercise positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If modular equipment is attached to weight lifting rack for different exercises, then exercise variety is improved, but equipment changing time increases
Solution Approach 1:
The weight arm assembly is designed to perform multiple exercise functions through a single multi-functional unit. The arm can be positioned at different angles and orientations to enable various exercises including lateral raises, front raises, and rear delt flies, eliminating the need for multiple separate modular equipment pieces.
Solution Approach 2:
The weight arm assembly incorporates pivotable connections at multiple joints (mounting bracket to arm mount, arm mount to weight arm) that allow dynamic repositioning. The stop member mechanism enables quick transitions between fixed positions, allowing the equipment to adapt to different exercise requirements without time-consuming reconfiguration.
2Adaptability or versatility
If multiple types of weights and equipment are housed in gym, then exercise options are improved, but space requirement increases
Solution Approach 1:
The weight arm assembly consolidates multiple exercise functions into a single space-efficient unit. By enabling one arm assembly to perform various exercises through positional adjustment rather than requiring separate equipment for each exercise type, the space requirement is significantly reduced while maintaining exercise variety.
Solution Approach 2:
The design merges multiple exercise capabilities into a single integrated weight arm assembly that attaches to the weight lifting rack. The combination of pivotable arm mount, adjustable weight arm positions, and stop member mechanism creates a consolidated equipment solution that replaces what would traditionally require multiple separate equipment pieces.
3Adaptability or versatility
If weight arm assembly is made pivotable for exercise positions, then exercise versatility is improved, but structural stability decreases
Solution Approach 1:
The weight arm assembly uses a dynamic positioning system with pivotable joints and stop members that provide stability at predetermined exercise positions while allowing transitions between positions. The stop member engages with the mounting bracket to lock the arm mount in place during exercises, providing structural stability when needed while maintaining versatility through repositioning capability.
Solution Approach 2:
The assembly is divided into segmented components (mounting bracket, arm mount, weight arm) connected by pivotable joints. This segmentation allows each component to be independently positioned and locked, providing stability at each segment while maintaining overall system versatility. The stop member acts as a separate locking component that stabilizes the pivotable connections during use.
Data Source
AI summary
A weight arm assembly for use with a weight lifting rack is provided, the weight arm assembly including a mounting bracket configured to be attached to a vertical surface in a fixed position, an arm mount configured to be coupled to the mounting bracket so as to be pivotable about a first axis, a stop member coupled to the arm mount and configured to move between an engaged position to prevent pivoting of the arm mount through interaction with the mounting bracket, and a disengaged position to allow pivoting of the arm mount, and a weight arm configured to be coupled to the arm mount, proximate a first end of the weight arm, so as to be pivotable about a second axis substantially orthogonal to the first axis.