Rotatable Side Guide for Architectural Covering Installation

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Solution Overview

Problem

Existing side rail assemblies for architectural coverings, such as venetian blinds, require the side guide to be forced along its entire length for clamping, making installation cumbersome and requiring significant manipulation.

Innovation Solution

A side rail assembly featuring a base with a pivot portion and a rotatable side guide, where a separate clip allows for engagement without extending along the entire length, enabling easier installation by allowing the side guide to be rotated into place and secured with resilient materials, facilitating secure attachment without full-length manipulation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the side guide is forced along its entire length for clamping to the base, then secure attachment is achieved, but installation becomes cumbersome and requires significant manipulation

Engineering Contradiction:
Improveattachment securityVSAvoidinstallation ease
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The side guide is divided into multiple segments along its length, with each segment capable of being clamped to the base independently. This segmentation allows installers to work on smaller portions at a time rather than forcing the entire length simultaneously, significantly reducing manipulation difficulty while maintaining secure attachment at each segment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A clip mechanism serves as an intermediary component between the side guide and the base. This clip allows for easier engagement and clamping of the side guide to the base, reducing the force and manipulation required during installation while ensuring reliable attachment.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the clip extends along the entire length of the base and side guide, then continuous engagement is achieved, but manufacturing complexity and material usage increase

Engineering Contradiction:
Improveengagement continuityVSAvoidclip structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The clip is segmented into multiple discrete clipping elements distributed along the length of the side guide, rather than forming a continuous long structure. Each clipping element engages locally with the base, providing reliable engagement continuity through distributed points of attachment while reducing overall structural complexity and material usage.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The clipping function is concentrated at specific localized positions along the side guide where engagement with the base is most critical, rather than requiring continuous engagement along the entire length. This local quality approach reduces clip complexity while maintaining sufficient engagement reliability at key locations.

Inventive Principle:
Principle #3Local quality

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

This design simplifies the installation process by allowing the side guide to be engaged and secured in sections, reducing the force required for attachment and preventing lateral disengagement, while maintaining structural integrity and aesthetic appeal.

Implementation Method 1

The clip may be formed from a more compliant or resilient material, such as a plastics material

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

The elongate profile of the side guide includes a rotation portion configured to engage the pivot portion rotationally/pivotably such that the side guide is rotatable/pivotable relative to the base about the pivot portion

Methodology Applied
Scientific EffectMechanical Advantage: Mechanical Advantage

Data Source

PatentEP3333353B1Side rail for an architectural covering
Publication Date: 2019.10.09 HUNTER DOUGLAS IND BV
  • EP3333353B1 patent drawingFigure 1
  • EP3333353B1 patent drawingFigure 2
  • EP3333353B1 patent drawingFigure 3

AI summary

A side rail (112) assembly for a side of an architectural covering (102) to be mounted to an architectural feature (100). The side rail includes a side guide (124) having an elongate profile defining an elongate open channel (126) configured to receive adjacent ends of members of a shade (106) of the architectural covering (102), a base (120) having an elongate profile configured to be engaged with a side edge of an architectural feature, and a clip (128). The elongate profile of the base and the clip are configured to engage with each other to mount the clip to the base. The elongate profile of the base includes a pivot portion (136) remote from the clip when mounted and the elongate profile of the side guide includes a rotation portion (138) configured to engage the pivot portion rotationally such that the side guide is rotatable relative to the base about the pivot portion. The elongate profile of the side guide includes an engagement portion (140) remote from the rotation portion and the engagement portion and the clip are configured, with the rotation portion engaged with the pivot portion of the base, to engage with each other to mount the side guide to the base.