Exercise Rack Angled Leg Assemblies Stability
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Solution Overview
Problem
Conventional portable exercise devices are often heavy, unstable, difficult to set up and disassemble, require multiple users, and lack portability, making them unsuitable for home use or travel, and they often require large spaces for storage and use.
Innovation Solution
A lightweight, stable, and transformable exercise apparatus with a compact, interconnected framework that can be easily assembled and disassembled by one user, featuring angled leg assemblies and telescopic stabilization legs, allowing for height adjustment and compact folding, and includes anchoring devices for various accessories, enabling use indoors or outdoors with minimal storage requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional exercise racks are designed to be sturdy and stable, then they provide reliable support for exercises, but they become heavy and difficult to move
Solution Approach 1:
The exercise rack is divided into multiple detachable components including a base assembly, vertical posts, horizontal bars, and stabilization legs. Each component can be independently assembled and disassembled, allowing the structure to be configured for stability during use and broken down for easy transport when not in use.
Solution Approach 2:
The rack incorporates adjustable stabilization legs that can be extended or retracted based on usage needs. During exercise, the legs are extended to provide maximum stability. When transport is needed, the legs are retracted and the entire structure can be quickly disassembled, transforming from a static stable structure to a dynamic portable system.
2Stability of the object's composition
If conventional exercise racks are designed with fixed dimensions, then they provide structural integrity, but they require large storage space and cannot adapt to different environments
Solution Approach 1:
The rack structure is segmented into modular components that can be stored separately in compact form. The base, posts, and bars are designed to fit together like puzzle pieces, requiring minimal storage space while maintaining structural integrity when assembled.
Solution Approach 2:
The design allows smaller components to be nested within larger ones during storage. For example, horizontal bars can be positioned within the vertical posts, and stabilization legs can be stored within the base assembly, creating a compact storage configuration that resembles nested dolls.
3Length of stationary object
If conventional exercise racks use vertical leg setup, then they achieve height, but they cause lateral instability
Solution Approach 1:
The stabilization legs are designed with asymmetric angles relative to the vertical posts. Rather than being perfectly vertical, the legs are angled outward at specific angles to create a wider base of support. This asymmetric configuration optimizes lateral stability while maintaining the necessary height for exercise performance.
Solution Approach 2:
The design addresses lateral stability by adding a dimensional element - the outward angle of the stabilization legs creates a triangular support structure. This transforms the purely vertical height achievement into a three-dimensional stable configuration where the legs form a pyramid-like base, distributing lateral forces more effectively.
4Adaptability or versatility
If conventional exercise racks require multiple parts and tools for assembly, then they can be customized, but they require 2-5 people to set up and are time-consuming
Solution Approach 1:
The rack is segmented into pre-assembled units such as a base assembly with integrated stabilization legs, vertical post assemblies with attachment points, and horizontal bar components. This segmentation allows each unit to be handled easily by one person and reduces the number of small parts requiring assembly.
Solution Approach 2:
Multiple functions are merged into single components. For example, the base assembly integrates footplates, weight storage areas, and stabilization leg mountings. The vertical posts include multiple attachment points for various exercises. This merging reduces the total number of separate parts and tools needed while maintaining customization options.
5Ease of operation
If conventional exercise racks are designed for home installation, then they provide convenient access, but they must be lightweight while maintaining stability
Solution Approach 1:
The rack components are constructed using composite materials such as aluminum alloys combined with reinforced polymers. These materials provide high strength-to-weight ratios, allowing the rack to be lightweight enough for home portability while maintaining the structural stability needed for safe exercise performance.
Solution Approach 2:
The stabilization legs and adjustable components are pre-positioned or pre-configured in optimal positions. Quick-release mechanisms are pre-installed to enable rapid assembly and disassembly. This preliminary preparation allows a single user to easily set up the rack at home without requiring strength or complex assembly procedures.
Data Source
AI summary
An exercise apparatus configurable in a collapsed configuration and an expanded configuration is provided. The exercise apparatus includes: a horizontal upper support structure comprising a pair of vertical sleeves at opposing ends of the upper support structure; first and second inserts receivable in a corresponding one of the vertical sleeves; and first and second leg assemblies coupled to a corresponding one of the first and second inserts. A bottom contact surface of each of the first and second inserts angles upwardly laterally outward, and wherein a top contact surface of each of the first and second leg assemblies is level, whereby when the exercise apparatus is in the expanded position respective top contact surfaces of the first and second leg assemblies abut corresponding bottom contact surfaces of the first and second inserts, whereby the first and second leg assemblies splay laterally outward.