Multi-Terminal Electrical Connector with Offset Blade Positions

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Solution Overview

Problem

Existing electrical connectors lack efficient mechanisms for securing and connecting multiple terminals, particularly in configurations that require different blade positions and distances from a projection.

Innovation Solution

The electrical connector design incorporates a housing with defined passageways and recesses, along with blades attached to the housing, which are positioned differently to accommodate various terminal configurations, ensuring secure connections.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If blades are positioned at the same distance from the projection, then the structure is simpler and easier to manufacture, but the connector cannot accommodate various terminal configurations requiring different blade positions

Engineering Contradiction:
Improveaccommodation of various terminal configurationsVSAvoidblade positioning structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies local quality by providing different blade positions and distances from the projection for different terminals within the same connector. Specifically, the first blade is positioned at a first distance from the projection while the second blade is positioned at a second distance from the projection, allowing each blade to be optimized for its specific terminal configuration requirements.

Inventive Principle:
Principle #3Local quality

2Reliability

If the connector design is simplified with uniform blade positioning, then manufacturing is easier, but secure connections of multiple terminals with varying positions cannot be achieved

Engineering Contradiction:
Improvesecure connection of multiple terminalsVSAvoidblade attachment process
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent applies segmentation by dividing the connector into multiple independent blade assemblies, each with its own specific positioning characteristics. The first blade and second blade are separately positioned at different distances from the projection, allowing each to be independently optimized for secure connection while maintaining manufacturability through modular assembly.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20250118917A1Electrical connector that includes multiple terminals
Publication Date: 2025.04.10 LEAR CORP
  • US20250118917A1 patent drawing
  • US20250118917A1 patent drawing
  • US20250118917A1 patent drawing

AI summary

Electrical connectors are described. An example electrical connector has a housing, a cover releasably attached to the housing, a first blade, and a second blade. The housing has housing first end, a housing second end, a connector portion, and defines a shoulder, a first passageway, a second passageway, and a projection. The first passageway and the second passageway are defined on the connector portion. The first blade is partially disposed within the first passageway and is attached to the housing. The first blade has a first blade second end disposed a first distance from the projection. The second blade is partially disposed within the second passageway and is attached to the housing. The second blade has a second blade second end disposed a second distance from the projection that is different than the first distance.