Windscreen Wiper Arm Adapter Nesting Design

Solution Overview

Problem

Existing wiper systems have aesthetically unpleasing connections that expose the adapter and bracket to external factors like snow, rain, and dust, leading to potential dysfunction and an unaesthetic appearance.

Innovation Solution

A connection mechanism where the adapter is pivotally connected to the bracket and the wiper arm, with the arm's end covering the adapter, providing a unified appearance and protecting the connection from external factors while allowing easy attachment and detachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the adapter and bracket are exposed for functional access, then ease of operation is improved, but aesthetic appearance deteriorates and exposure to external factors increases

Engineering Contradiction:

Improveaccess to connection componentsVSAvoidaesthetic appearance

Core Design Contradiction:

Ease of operationVSShape

Solution Approach 1:

The adapter is inserted into the hollow cross-section of the wiper arm, creating a nested configuration where the adapter (inner element) is housed within the arm (outer element). This nesting arrangement allows the connection components to remain accessible for operation while being visually concealed, thus improving aesthetic appearance without compromising ease of operation.

Inventive Principle:

Principle #7Nested doll (Nesting)

2Ease of operation

If the connection region is exposed, then ease of operation is improved, but reliability deteriorates due to exposure to external factors

Engineering Contradiction:

Improveaccess to connection componentsVSAvoidprotection from external factors

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The adapter is inserted into the hollow cross-section of the wiper arm, creating a nested configuration where the adapter (inner element) is housed within the arm (outer element). This nesting arrangement allows the connection components to remain accessible for operation while being visually concealed, thus improving aesthetic appearance without compromising ease of operation.

Inventive Principle:

Principle #7Nested doll (Nesting)

3Shape

If the adapter is covered by the arm, then aesthetic appearance is improved, but ease of operation deteriorates

Engineering Contradiction:

Improveaesthetic appearanceVSAvoidaccess to connection components

Core Design Contradiction:

ShapeVSEase of operation

Solution Approach 1:

The adapter is inserted into the hollow cross-section of the wiper arm, creating a nested configuration where the adapter (inner element) is housed within the arm (outer element). This nesting arrangement allows the connection components to remain accessible for operation while being visually concealed, thus improving aesthetic appearance without compromising ease of operation.

Inventive Principle:

Principle #7Nested doll (Nesting)

4Ease of manufacture

If the connection components are exposed, then ease of manufacture is improved, but object-affected harmful factors increase

Engineering Contradiction:

Improveassembly of connection componentsVSAvoidexposure to snow, rain, dust

Core Design Contradiction:

Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The adapter is inserted into the hollow cross-section of the wiper arm, creating a nested configuration where the adapter (inner element) is housed within the arm (outer element). This nesting arrangement allows the connection components to remain accessible for operation while being visually concealed, thus improving aesthetic appearance without compromising ease of operation.

Inventive Principle:

Principle #7Nested doll (Nesting)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution ensures an aesthetically pleasing appearance and protects the connection from environmental hazards, maintaining functionality and ease of use.

Implementation Method 1

the wiper blade is required to be pivotally connected to the free end of the wiper arm so as to rotate around an axis

Methodology Applied

Scientific EffectPivotal connection: Hinge

Implementation Method 2

an elastic wiper profile having an end portion for wiping the glass surface and mounted on the vertebra

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentUS9073520B2Connecting device for windscreen wipers

Publication Date: 2015.07.07 MITSUBA TURKEY OTOMOTIV ANONIM SIRKETI

AI summary

The present invention relates to a connection device that is used for connecting a wiper blade (800) comprising an elastic wiper profile (6), an arc-shaped elastic metal vertebra (5) and a bracket (3) preferably directly fixed to the vertebra (5) at the longitudinal middle region, to a wiper arm (900) of which one end is connected to a motor in the vehicle, that comprises the bracket (3), an adapter (1) connected onto the said bracket (3) so as to rotate around the said rotational axis (901) and the free end (9) of the said wiper arm (900) that can be inserted and locked over the said adapter (1).