Quick Release Window Shade Mechanism for Rapid Deployment

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Solution Overview

Problem

Existing window shade systems are slow to deploy and require manual operation, making them ineffective for rapid security responses, as they need to be lowered individually and can expose occupants to threats during the lowering process, especially in emergency situations like shootings or natural disasters.

Innovation Solution

A quick release device comprising a shade tube, a gear wheel, a pawl, and a solenoid that allows for rapid activation and disengagement, enabling the shade to be lowered quickly and remotely, with a magnet and spring mechanism to release pressure and allow rotation, reducing power consumption and incorporating a low-profile solar panel for energy efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If manual window shades are lowered individually, then the shades can be deployed, but the deployment takes a long time and exposes occupants to threats during the process

Engineering Contradiction:
Improveshade deployment speedVSAvoidtime to deploy shades
Core Design Contradiction:
SpeedVSLoss of time

Solution Approach 1:

The window shade system is divided into multiple independent shade units, each with its own quick release mechanism. This segmentation allows each shade to be deployed independently and simultaneously through individual pull cords, enabling rapid deployment across multiple windows without sequential operation delays

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The window shades are pre-positioned in a raised state during normal conditions, with quick release mechanisms already in place. During an emergency, the shades can be rapidly deployed by simply pulling the release cords, eliminating the need for manual lowering operations and reducing deployment time to seconds

Inventive Principle:
Principle #10Preliminary action

2Ease of operation

If motorized window shades are used, then the shades can be lowered remotely, but the system draws power during the full cycle and may be controlled by a central monitoring system not aware of the security breach

Engineering Contradiction:
Improveremote control capabilityVSAvoidpower consumption during operation
Core Design Contradiction:
Ease of operationVSUse of energy by moving object

Solution Approach 1:

The motorized control system and central monitoring dependencies are extracted from the shade deployment mechanism. Instead, simple mechanical pull cords with quick release latches are used, which require no power consumption and can be operated independently by any occupant who detects a security threat

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Each window shade unit is equipped with its own independent quick release mechanism that can be activated locally by pulling a cord. This self-service approach eliminates the need for centralized control systems, power supplies, and complex wiring, allowing immediate local response to security threats without waiting for system activation or power consumption

Inventive Principle:
Principle #25Self-service

3Ease of manufacture

If existing manual window coverings are used, then the system is simple and low-cost, but the teacher would be visible to the outside threat when trying to lower the various window shades

Engineering Contradiction:
Improvesystem simplicity and costVSAvoidexposure to outside threat during operation
Core Design Contradiction:
Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The shades are pre-positioned in the up state during normal operation, and the quick release mechanisms are pre-configured with pull cords within easy reach of occupants. When a threat is detected, the shades can be instantly deployed by simply pulling the cords, eliminating the need for teachers or occupants to manually operate or be visible while lowering the shades

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The complex manual lowering operations and visible teacher involvement are extracted from the system. Instead, simple pull cord quick release mechanisms are installed that allow instantaneous shade deployment without requiring anyone to be visible or manually manipulate the shades during the lowering process

Inventive Principle:
Principle #2Taking out (Extraction)

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

Enables rapid and secure deployment of window shades, reducing exposure to threats and minimizing power consumption, with the ability to be controlled remotely and powered by a low-profile solar panel, enhancing safety and energy efficiency.

Implementation Method 1

a solenoid configured to activate the pawl. The activation of the pawl disengages the pawl from the pawl wheel and allows the shade tube to rotate

Methodology Applied
Scientific EffectSolenoid: Solenoid

Implementation Method 2

a magnet configured to apply magnetism to the spring. In response to the magnet applying magnetism to the spring, the spring contracts and releases pressure on the rotating brake plate and allows the shade tube to rotate

Methodology Applied
Scientific EffectMagnetism: Magnetism

Data Source

PatentUS10472887B2Quick release window shade system
Publication Date: 2019.11.12 MECHOSHADE SYSTEMS LLC
  • US10472887B2 patent drawing
  • US10472887B2 patent drawing
  • US10472887B2 patent drawing

AI summary

The quick release device may comprise a shade tube, a gear wheel engaging with the shade tube, a pawl removably engaging with the gear wheel and a solenoid configured to activate the pawl. The activation of the pawl disengages the pawl from the pawl wheel and allows the shade tube to rotate. The quick release device may also include a shade tube, a rotating brake plate engaging with the shade tube, a spring configured to apply pressure to the rotating brake plate and a magnet configured to apply magnetism to the spring. In response to the magnet applying magnetism to the spring, the spring contracts and releases pressure on the rotating brake plate and allows the shade tube to rotate.