Modular Block Wall System With Interlocking Tapered Sides

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Solution Overview

Problem

Conventional block wall systems require uniform block sizes for interlocking, limiting the creation of aesthetically pleasing non-uniform walls that can be both retaining and free-standing.

Innovation Solution

A modular block system featuring differently sized blocks with tapered sides, recesses, and protrusions that allow for interlocking regardless of size, enabling the creation of non-uniform walls with a decorative face on both sides, and can be used for retaining or free-standing structures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If blocks of uniform size and shape are used for interlocking, then structural stability is achieved, but aesthetic versatility is limited

Engineering Contradiction:
Improvestructural stabilityVSAvoidaesthetic versatility
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The block system is segmented into multiple size categories (small, medium, large blocks) while maintaining a common interlocking mechanism. This segmentation allows aesthetic versatility through size variation while preserving structural stability through standardized connection features.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The interlocking features (recesses and protrusions) are designed as universal components that work across all block sizes. This universal design enables blocks of different dimensions to be combined freely for aesthetic purposes while ensuring consistent structural performance through the same connection mechanism.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If blocks of different sizes are used to create non-uniform walls, then aesthetic versatility is improved, but interlocking compatibility deteriorates

Engineering Contradiction:
Improveaesthetic versatilityVSAvoidinterlocking compatibility
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

Different regions of the block (front surface, rear surface, sides) are given different qualities: front and rear surfaces can have decorative finishes for aesthetic versatility, while the interlocking features (recesses and protrusions) maintain uniform dimensions and tolerances to ensure reliable compatibility across all block sizes.

Inventive Principle:
Principle #3Local quality

3Adaptability or versatility

If tapered side surfaces are added to blocks, then design flexibility is improved, but manufacturing complexity increases

Engineering Contradiction:
Improvedesign flexibilityVSAvoidmanufacturing complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The block geometry incorporates tapered side surfaces that gradually change from the vertical edges toward the center. This parameter change provides design flexibility for creating varied wall profiles and patterns, while the taper angle is controlled within specific ranges to maintain manufacturability using standard concrete forming techniques.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS7503730B2Modular block wall system
Publication Date: 2009.03.17 MORTARLESS TECHNOLOGIES LLC
  • US7503730B2 patent drawing
  • US7503730B2 patent drawing
  • US7503730B2 patent drawing

AI summary

A modular block wall system is comprised of a plurality of differently sized blocks. Each block comprises a front surface and opposing rear surface, a top surface and opposing bottom surface, and first and second opposing tapered side surfaces. Blocks further includes a recess extending inwardly from top surface and a protrusion extending outwardly from bottom surface. Blocks may also include a plurality of cores through the block from top surface to bottom surface. Blocks may further include a removable portion that can be cleaved off to create a decorative face on rear surface. The projection on each block is configured to fit within the recess of a block in the next lower course of blocks, regardless of the sizes of the respective blocks. Preferably, the varying lengths and heights of the blocks are evenly divisible by a uniform dimension. This allows modular blocks to be easily put together in any configuration to create a finished looking, yet non-uniform wall.