Unitary T-Slot Fitting for Faster Multi-Directional Assembly

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Solution Overview

Problem

Existing T-slot aluminum structure fittings require preassembling and are time-consuming to assemble, especially for corner arrangements, and often fail to securely hold extrusions in multiple directions due to inadequate securing mechanisms, leading to potential misalignment and movement issues.

Innovation Solution

A unitary, single-piece fitting that surrounds T-slot structures on multiple sides with inwardly extending railings, allowing for secure attachment in various directions and angles, and can be adapted for different extrusion sizes and lengths, using various mounting methods such as welding, pinning, or threaded fasteners.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If prior art fittings use multiple sections clamped together with pins and bolts, then the extrusion can be secured, but the assembly time increases and alignment accuracy decreases

Engineering Contradiction:
Improvesecuring mechanismVSAvoidassembly time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent combines multiple separate fitting sections into a single integrated fitting that surrounds the extrusion on all sides. This unitary structure eliminates the need to assemble multiple clamped sections together, significantly reducing assembly time while maintaining secure holding capability through the unified design that incorporates multiple railings extending into the extrusion sides.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The fitting is divided into multiple functional railings that extend into different sides of the extrusion independently. Each railing acts as a separate securing element that can engage the extrusion profile, allowing the single-piece fitting to secure the extrusion at multiple locations simultaneously without requiring multiple assembly steps.

Inventive Principle:
Principle #1Segmentation

2Device complexity

If prior art fittings allow extrusions to move or slide within the brace, then the fitting structure remains simple, but the structural stability decreases

Engineering Contradiction:
Improvefitting structureVSAvoidstructural stability
Core Design Contradiction:
Device complexityVSStability of the object's composition

Solution Approach 1:

The fitting incorporates multiple railings that extend into different sides of the extrusion, creating localized engagement points distributed around the extrusion perimeter. Each railing provides localized securing action, and the combination of multiple localized engagement points prevents the extrusion from moving or sliding within the fitting, enhancing structural stability without requiring complex additional components.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS7628563B2Fitting for a T-slot structure
Publication Date: 2009.12.08 WINKLER JOHN M
  • US7628563B2 patent drawing
  • US7628563B2 patent drawing
  • US7628563B2 patent drawing

AI summary

A unitary fitting for mating with and coupling a plurality of T-slot structures. The fitting comprises at least two sections to mate with the T-slot structures, with each of the sections having a first end, a second end, an outer surface circumferentially surrounding said T-slot structure, and an inner surface being capable of mating with one of said T-slot structures. the inner surfaces has at least one rail that extends inwardly into a recess of the T-slot structures. The fitting is formed of one piece construction.