Decorative Window Insert with Friction-Fit Connectors

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Solution Overview

Problem

Existing decorative inserts for windows lack a secure and aesthetically pleasing solution to integrate with both spacers and muntin bars, failing to effectively simulate the appearance of ironwork while maintaining durability and UV resistance.

Innovation Solution

A decorative insert with integrally formed plastic or nylon components, including spacer and muntin connectors that secure to both the spacer and muntin bars via friction fit, providing a durable and aesthetically appealing solution that simulates wrought iron appearance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If decorative inserts use traditional materials and attachment methods, then they can be manufactured, but they fail to securely integrate with both spacers and muntin bars while simulating wrought iron appearance

Engineering Contradiction:
Improvesecure integration with spacer and muntin barVSAvoidintegration mechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The decorative insert is divided into multiple functional segments: a decorative element for visual appeal, a spacer connector portion for attachment to the spacer, and a muntin bar connector portion for attachment to the muntin bar. This segmentation allows each portion to be optimized for its specific function while maintaining overall integration security

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent combines multiple attachment functions into a single integrated decorative insert component. The spacer connector and muntin bar connector are merged with the decorative element in one unified structure, eliminating the need for separate attachment mechanisms and simplifying installation while ensuring secure integration

Inventive Principle:
Principle #5Merging (Combining)

2Strength

If decorative inserts use plastic or nylon materials, then they offer UV resistance and durability, but they must achieve secure attachment to metal and composite structures

Engineering Contradiction:
Improvedurability and UV resistanceVSAvoidattachment to diverse substrates
Core Design Contradiction:
StrengthVSEase of manufacture

Solution Approach 1:

The decorative insert exhibits local quality by having different portions with different properties: the decorative element provides aesthetic appearance, while the connector portions are designed with specific geometric features (protrusions, recesses, friction-fit interfaces) optimized for attachment to specific substrates. This allows the same component to securely attach to both metal muntin bars and composite spacers

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The connector portions utilize friction-fit attachment mechanisms where dimensional parameters and surface characteristics are specifically designed to create secure mechanical interlocking. The protrusions and recesses are dimensioned to provide interference fits that maintain strong attachment while accommodating manufacturing tolerances

Inventive Principle:
Principle #35Parameter changes

3Shape

If decorative inserts simulate wrought iron appearance, then they achieve aesthetic appeal, but they lack the structural security of traditional metal attachments

Engineering Contradiction:
Improvewrought iron appearanceVSAvoidattachment security
Core Design Contradiction:
ShapeVSReliability

Solution Approach 1:

The decorative element is designed to copy and simulate the appearance of wrought ironwork with its characteristic scrolls, curves, and ornamental patterns. This visual copying achieves the desired aesthetic appeal while the underlying plastic or nylon material provides inherent UV resistance and durability

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The decorative insert functions as a composite structure where the decorative element provides aesthetic appearance similar to metal, while the connector portions utilize friction-fit mechanical attachment principles. This composite approach combines visual simulation with reliable structural attachment, achieving both aesthetic appeal and attachment security

Inventive Principle:
Principle #40Composite materials

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 securely positions decorative elements between window panes, enhancing the window's aesthetic appeal while offering UV resistance and durability, effectively addressing the need for a secure and visually appealing integration with window spacers and muntin bars.

Implementation Method 1

at least a first muntin connector extending from the decorative element and securing the decorative element to the first muntin bar. The first muntin connector includes a protrusion securable to the first muntin bar by friction fit

Methodology Applied
Scientific EffectFriction fit: Friction

Data Source

PatentUS9140052B2Decorative insert for a window
Publication Date: 2015.09.22 VINYL PRO WINDOW SYST
  • US9140052B2 patent drawing
  • US9140052B2 patent drawing
  • US9140052B2 patent drawing

AI summary

A decorative insert is positionable between a pair of glazing panes of a windows and includes a decorative element. At least a first spacer connector extends from the decorative element for securing the decorative element to a spacer of the window. The first spacer connector includes at least one plate positionable between the spacer and one of the glazing panes. At least a first muntin connector extends from the decorative element for securing the decorative element to a first muntin bar of the window. The first muntin connector includes a protrusion securable to the first muntin bar by friction fit.