Toolless Sliding Lock for Window Treatment Mounting Brackets

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Solution Overview

Problem

Existing window treatment mounting systems, such as roller shades, often experience bracket detachment due to bumps or dislodgment, and securing them with screws can be difficult and obstruct access for maintenance.

Innovation Solution

A toolless mounting bracket lock that slides along the rail, allowing for easy operation into a locked position to secure the bracket, preventing detachment, and includes a resilient retention strap and projections for a friction fit, ensuring proper attachment and easy operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If housing brackets are secured to the rail using screws, then the brackets are prevented from detaching, but the installation becomes difficult and access for maintenance is obstructed

Engineering Contradiction:

Improvebracket attachment stabilityVSAvoidinstallation ease

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces the screw-based mechanical fastening system with a snap-fit plastic coupling system. The housing brackets include recesses that receive protrusions from the rail, and the coupling member includes a resilient retention strap that snaps into place to secure the bracket to the rail without requiring screws or tools.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The coupling member includes a resilient retention strap that automatically secures the housing bracket to the rail through a snap-fit action. The system is designed to be self-securing without requiring external fasteners or complex assembly procedures, making installation straightforward while maintaining reliable attachment.

Inventive Principle:

Principle #25Self-service

2Reliability

If housing brackets are secured to the rail using screws, then the brackets are prevented from detaching, but subsequent maintenance and removal become undesirably difficult

Engineering Contradiction:

Improvebracket attachment stabilityVSAvoidmaintenance accessibility

Core Design Contradiction:

ReliabilityVSEase of repair

Solution Approach 1:

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The coupling member is designed as a separate, removable component that can be independently accessed and manipulated. The resilient retention strap can be disengaged from the rail to release the housing bracket, allowing for easy maintenance and removal without requiring disassembly of the entire window treatment system.

Inventive Principle:

Principle #1Segmentation

3Ease of operation

If snap-in mounting brackets are used, then installation is easy, but the brackets become prone to detachment when bumped or dislodged

Engineering Contradiction:

Improveinstallation easeVSAvoidbracket attachment stability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent replaces the simple snap-in mechanism with a more robust coupling system that includes a resilient retention strap. The retention strap engages with protrusions on the rail through a snap-fit action, providing positive mechanical interlocking that prevents detachment while maintaining ease of installation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The coupling member is designed with specific geometric parameters including recesses, protrusions, and a resilient retention strap with defined thickness and engagement dimensions. These parameters are optimized to provide sufficient engagement strength to prevent detachment while allowing for toolless installation through a snap-fit action.

Inventive Principle:

Principle #35Parameter changes

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 mounting bracket lock securely attaches the window treatment bracket to the rail without tools, preventing detachment and facilitating easy installation and maintenance, while ensuring the bracket is properly attached, thus enhancing user experience and reducing installation challenges.

Implementation Method 1

a resilient retention strap configured to slidably engage with the rail

Methodology Applied

Scientific EffectElasticity: Elasticity

Implementation Method 2

projections configured to engage with the mounting bracket when the mounting bracket lock is in the locked position

Methodology Applied

Scientific EffectFriction: Friction

Data Source

PatentUS11659949B2Mounting bracket lock

Publication Date: 2023.05.30 LUTRON TECHNOLOGY COMPANY LLC

AI summary

A mounting bracket lock may be configured to secure the mounting bracket of a window treatment housing to a rail of the housing. The mounting bracket lock may be slidably attachable to the rail and, when in a locked position, may prevent the mounting bracket from detaching from the rail. The mounting bracket lock may include a body that is mountable to the rail. The body may include a first portion that slidably attaches to the rail, and a second portion that receives a portion of the rail and a portion of the mounting bracket, thereby securing the mounting bracket in a locked position relative to the rail. The body of the mounting bracket lock may define one or more projections that extend therefrom, and that engage in a friction fit between corresponding surfaces of the mounting bracket when the mounting bracket lock is in the locked position.