Fitness Equipment With Movable Bottom Support for Compact Shipping

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Solution Overview

Problem

Conventional fitness equipment has large dimensions due to fixed bottom tubes, leading to high shipping costs and labor-intensive assembly processes.

Innovation Solution

A fitness equipment design featuring a movable bottom support that can be adjusted in two directions relative to the frame, allowing for reduced dimensions during shipping and easy assembly by rotating or sliding mechanisms, along with a rotatable and slidable bottom assembly for enhanced mobility and stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the bottom tube is fixed to the frame, then the fitness equipment is stable for use, but the shipping dimensions become large and shipping cost increases

Engineering Contradiction:
ImprovestabilityVSAvoidshipping dimensions
Core Design Contradiction:
ReliabilityVSVolume of moving object

Solution Approach 1:

The bottom support is designed to be movable relative to the supporting leg through a sliding mechanism. During shipping, the bottom support can be retracted along the supporting leg to reduce overall dimensions. During use, the bottom support extends to provide stability. This dynamic adjustment resolves the contradiction between fixed stability and reduced shipping volume.

Inventive Principle:
Principle #15Dynamics

2Volume of moving object

If the bottom tube is made detachable to reduce shipping dimensions, then shipping cost decreases, but the assembly process becomes labor-intensive and time-consuming

Engineering Contradiction:
Improveshipping dimensionsVSAvoidassembly process
Core Design Contradiction:
Volume of moving objectVSEase of operation

Solution Approach 1:

The bottom support incorporates a sliding mechanism with handles that enables users to easily adjust the bottom support between retracted and extended positions without requiring lifting or complex assembly tools. The design allows single-person operation, transforming the previously labor-intensive assembly process into a simple self-service adjustment.

Inventive Principle:
Principle #25Self-service

3Reliability

If the bottom support is extended for stable use, then the fitness equipment is stable for training, but the dimensions increase for shipping

Engineering Contradiction:
Improvestability during useVSAvoidoverall length
Core Design Contradiction:
ReliabilityVSLength of moving object

Solution Approach 1:

The bottom support is designed to nest within or alongside the supporting leg structure when retracted. The sliding mechanism allows the bottom support to be positioned inside the space occupied by the supporting leg during shipping, significantly reducing the overall length and volume of the fitness equipment for transportation while maintaining full functionality during use.

Inventive Principle:
Principle #7Nested doll (Nesting)

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

Reduces shipping dimensions and simplifies assembly by enabling efficient adjustment of the bottom support, facilitating easier handling and stable use for training.

Implementation Method 1

The sliding aid member, such as a ball incapable of rolling, a ball capable of rolling or a wheel capable of rolling

Methodology Applied
Scientific EffectRolling: Roller

Implementation Method 2

the exposed sliding aid member, such as a ball incapable of rolling, a ball capable of rolling or a wheel capable of rolling, can effectively lower the friction between the bottom support and the ground

Methodology Applied
Scientific EffectFriction reduction: Friction

Data Source

PatentUS20250288859A1Fitness equipment reducible in dimensions
Publication Date: 2025.09.18 REXON IND CORP LTD
  • US20250288859A1 patent drawing
  • US20250288859A1 patent drawing
  • US20250288859A1 patent drawing

AI summary

A fitness equipment includes a frame, and a support assembly. The frame has an extending direction. The support assembly includes a supporting leg, and a bottom support. The bottom support is movably combined with the supporting leg in a first direction or a second direction. When the bottom support is combined with the supporting leg in the first direction, the frame is supported by the bottom support in a way that the bottom support is not parallel to the extending direction of the frame, enabling the user to ride or sit on the fitness equipment stably for training. When the bottom support is combined with the supporting leg in the second direction, the bottom support is configured parallel to the extending direction of the frame, so that the fitness equipment is reduced in whole dimensions thereof.