Modular Pad Oblique Side Structure for Flat Edge Engagement

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Solution Overview

Problem

Conventional modular pads face issues with uneven surfaces due to vertical sides, leading to easy depression and deformation of engaged edges, and lack of mutual support, making them difficult to align and engage accurately.

Innovation Solution

The modular pad features oblique connections between sides with complementary shapes, allowing for quick and accurate engagement, and includes flexible layers with varying hardness to enhance support and prevent deformation, using cutting methods like vibrating, hot melting, or laser cutting to form parallel and complementary sides.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If conventional modular pads use vertical sides for engagement, then the assembly process is simple, but the surface becomes uneven and edges become depressed and deformed

Engineering Contradiction:
Improveassembly simplicityVSAvoidsurface flatness
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The patent applies asymmetry by changing the side geometry from vertical to oblique angles. The first and second sides of each pad are configured with oblique engagement surfaces that are not perpendicular to the top and bottom surfaces, creating an asymmetric structure that provides both ease of assembly and surface flatness through the interlocking oblique surfaces

Inventive Principle:
Principle #4Asymmetry

2Device complexity

If conventional modular pads have independently aligned edges, then the structure is simple, but the edges cannot provide mutual support and become easily depressed

Engineering Contradiction:
Improvestructural simplicityVSAvoidedge support capability
Core Design Contradiction:
Device complexityVSStrength

Solution Approach 1:

The patent merges the functions of alignment and support by integrating complementary oblique engagement surfaces on adjacent pads. The first side of one pad engages with the second side of another pad through oblique surfaces that provide both alignment guidance and mutual support, combining multiple functions into a unified structural feature

Inventive Principle:
Principle #5Merging (Combining)

3Ease of operation

If conventional modular pads use vertical engagement surfaces, then the alignment process is straightforward, but accurate engagement is difficult to achieve

Engineering Contradiction:
Improvealignment easeVSAvoidengagement accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The oblique engagement surfaces create an asymmetric geometry that guides pads into accurate engagement positions. The angled surfaces naturally align pads during assembly through mechanical guidance, ensuring precise positioning while maintaining ease of operation through the self-aligning nature of the oblique surfaces

Inventive Principle:
Principle #4Asymmetry

Data Source

PatentUS20260071438A1Modular pad
Publication Date: 2026.03.12 KUO CHUN FU
  • US20260071438A1 patent drawing
  • US20260071438A1 patent drawing
  • US20260071438A1 patent drawing

AI summary

A modular pad is provided, the modular pad includes a main body layer, the main body layer includes a top surface, a bottom surface, a first side and a second side, the first side includes a first surface and a second surface, the first surface extends from the top surface toward the bottom surface, the second surface is obliquely connected between the bottom surface and the first surface, the first side surface is configured to be engaged with a second side surface of another modular pad which has a shape complementary to a shape of the first surface in parallel.