Mobile Rack Spacers and Motor Sync for Uneven Floors

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Solution Overview

Problem

Conventional mobile industrial rack systems require a level floor to prevent imbalance during movement, which is costly to achieve by leveling the concrete floor or using footings and grout, limiting their usability on unleveled flooring.

Innovation Solution

A mobile industrial rack system with a flue spacer connector allowing back-to-back racks to move relative to each other, and a carriage spacer enabling independent movement of carriages, along with motor-driven rollers synchronized by an encoder for stable operation on unleveled surfaces.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If mobile industrial rack systems are mounted on unleveled flooring, then installation cost is reduced, but rack stability and balance deteriorate

Engineering Contradiction:
Improveinstallation costVSAvoidrack stability
Core Design Contradiction:
Ease of manufactureVSStability of the object's composition

Solution Approach 1:

The flue spacer connector incorporates a play feature that allows dynamic adjustment and relative movement between back-to-back racks, enabling the system to adapt to unleveled flooring conditions while maintaining operational stability without requiring expensive floor leveling

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the operational parameters by allowing racks to move relative to each other within the flue spacer connector's play range, accommodating floor irregularities and maintaining balance on unleveled surfaces

Inventive Principle:
Principle #35Parameter changes

2Stability of the object's composition

If back-to-back racks are rigidly connected, then structural stability is improved, but ability to adapt to unleveled flooring deteriorates

Engineering Contradiction:
Improvestructural stabilityVSAvoidadaptability to flooring conditions
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The flue spacer connector transforms the rigid connection into a dynamic one with built-in play, allowing the back-to-back racks to maintain structural stability while accommodating floor irregularities through permitted relative movement

Inventive Principle:
Principle #15Dynamics

3Device complexity

If a single mobile carriage supports both racks, then device complexity is reduced, but ability to handle unleveled flooring deteriorates

Engineering Contradiction:
Improvecarriage configurationVSAvoidbalance on unleveled floor
Core Design Contradiction:
Device complexityVSStability of the object's composition

Solution Approach 1:

The play feature in the flue spacer connector enables dynamic adjustment between racks, allowing the single carriage system to maintain balance and stability on unleveled flooring through controlled relative movement of the racks

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS8960455B2Mobile industrial rack system
Publication Date: 2015.02.24 SPACESAVER CORP
  • US8960455B2 patent drawing
  • US8960455B2 patent drawing
  • US8960455B2 patent drawing

AI summary

A mobile industrial rack system which includes a flue spacer, a carriage spacer, and a synchronous motor control that individually and collectively allows the rack system to be used on unleveled surfaces. The industrial rack system is therefore well suited for storage facilities in which it is not possible or not desired to level an otherwise unleveled floor.