Universal Coupler for Beam Blade Wiper Compatibility

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Solution Overview

Problem

The existing windshield wiper assemblies are limited by compatibility issues with different wiper arm attachment members, restricting aftermarket options and requiring users to purchase specific replacement assemblies from OEM dealerships.

Innovation Solution

A universal coupler assembly for beam blade windshield wiper assemblies that includes a carrier, saddle, and coupler, designed to accommodate various hook-type, pin-type, and bayonet-type wiper arm attachment members, allowing for interchangeable compatibility with multiple sizes and types.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a single-style coupler is used for beam blade windshield wiper assemblies, then the connection to the designed wiper arm attachment member is reliable, but compatibility with other wiper arm attachment member styles is limited

Engineering Contradiction:
Improveconnection reliabilityVSAvoidcompatibility with different wiper arm attachment members
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The coupler assembly is designed with multiple receiving structures that can accommodate different styles of wiper arm attachment members (hook-type, pin-type, bayonet-type). The carrier includes various channels, passages, tracks, and cavities that can selectively receive and secure different attachment member types, making a single coupler assembly universal for multiple applications

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

Solution Approach 2:

The coupler assembly is divided into separate functional components including a carrier with multiple receiving structures, a saddle, and a locking mechanism. This segmentation allows each component to be optimized for specific attachment member types while maintaining overall versatility of the assembly

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If multiple specialized coupler assemblies are provided for different wiper arm attachment member styles, then compatibility with various attachment members is improved, but device complexity and inventory requirements increase

Engineering Contradiction:
Improvecompatibility with different wiper arm attachment membersVSAvoidcoupler assembly complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Multiple coupling functions are merged into a single integrated coupler assembly. The carrier consolidates multiple receiving structures (channels for hook-type, passages for pin-type, cavities for bayonet-type) that would otherwise require separate coupler assemblies, simplifying the overall system and reducing inventory requirements

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If multiple specialized coupler assemblies are provided for different wiper arm attachment member styles, then compatibility with various attachment members is improved, but the number of parts and inventory requirements increase

Engineering Contradiction:
Improvecompatibility with different wiper arm attachment membersVSAvoidnumber of coupler assembly variants
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

A single universal coupler assembly design serves multiple purposes by incorporating receiving structures for different attachment member styles, eliminating the need for manufacturers to produce and stock multiple specialized coupler variants

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

Data Source

PatentUS9003596B2Universal coupler for a beam blade windshield wiper assembly
Publication Date: 2015.04.14 PGI NORTHSTAR LLC
  • US9003596B2 patent drawing
  • US9003596B2 patent drawing
  • US9003596B2 patent drawing

AI summary

The present invention overcomes the limitations and disadvantages in the related art in a beam blade windshield wiper assembly having a universal coupler assembly. The universal coupler assembly includes a carrier that is operatively mounted to the windshield wiper assembly, a saddle that is removably received and retained by the carrier, and a coupler that is operatively mounted to the saddle. The carrier, saddle, and coupler cooperate to accommodate various sizes of “hook-type” attachment members, “bayonet-type” attachment members, as well as “pin-type” attachment members that are used to connect the wiper arm and the windshield wiper assembly.