Architectural Shade Operating System with Gravity Extension
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional coverings for architectural openings, such as windows and doors, lack an efficient operating system that allows for easy transition between retracted and extended positions without manual intervention, particularly in terms of automating the extension process under gravity.
Innovation Solution
The operating system includes a base with a drive mechanism, a transmission, an engagement arm, and an actuator arm that selectively sets the rotation direction of a roller, allowing the shade to extend automatically under gravity once shifted into the extension mode, using a single operating element like a cord or ball chain to switch between retraction and extension modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a conventional operating system is used, then the shade can be moved between positions, but manual intervention is required for each transition
Solution Approach 1:
The operating system is pre-configured with a drive mechanism and transmission that automatically execute the shade extension action when triggered. The single operating element initiates a predetermined sequence of mechanical actions that complete the extension without continuous manual intervention, embodying preliminary action where the system prepares and executes the full operation sequence upon a single input.
Solution Approach 2:
The shade extension mechanism is designed to be self-actuating through gravity and the pre-configured transmission system. Once the single operating element triggers the drive mechanism, the system uses its own internal components (transmission, roller) and external forces (gravity) to complete the extension automatically, reducing the need for continuous operator intervention and achieving self-service operation.
2Ease of operation
If a single operating element is used, then ease of operation is improved, but the complexity of the operating system increases
Solution Approach 1:
Multiple functional components (drive mechanism, transmission, roller actuation) are merged into a single integrated operating system that responds to one operating element. The single element triggers a coordinated sequence involving the drive mechanism, transmission gears, and roller, combining what would otherwise require separate controls into one unified system that manages complexity internally while presenting simplicity externally.
Solution Approach 2:
The single operating element serves multiple functions: it initiates the extension sequence, triggers the drive mechanism, and activates the transmission system. This multi-functional element replaces what would traditionally require separate controls for each operation, consolidating control functions into one universal interface that manages the entire shade operation cycle.
3Productivity
If the shade extends automatically under gravity, then productivity is improved, but control precision may be reduced
Solution Approach 1:
The transmission system incorporates mechanical feedback through the engagement arm and detent mechanism that monitors and regulates the roller's rotation. As the shade extends under gravity, the transmission provides continuous mechanical feedback to control the extension speed and position, ensuring precise control is maintained even during automatic gravity-driven operation. The detent engagement arm provides positional feedback to maintain accurate stopping positions.
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 seamless transition between retracted and extended positions, with the shade extending automatically under gravity, reducing operator intervention and enhancing convenience and efficiency.
Implementation Method 1
a drive mechanism associated with the base to provide an input torque, a transmission associated with the drive mechanism to selectively transmit the input torque to the roller
Implementation Method 2
a biasing element configured to bias the engagement arm into engagement with the transmission
Implementation Method 3
When the actuator arm indirectly sets the rotation direction of the roller to the extension direction, the shade may extend automatically under the influence of gravity without further action by an operator
Data Source
AI summary
A covering for an architectural opening is provided. The covering may include a roller rotatable about a longitudinal axis, a shade associated with the roller, and an operating system operably associated with the roller. The operating system may include a base, a drive mechanism, a transmission, an actuator arm, and an engagement arm. The drive mechanism may be associated with the base to provide an input torque. The transmission may be associated with the drive mechanism to selectively transmit the input torque to the roller. The actuator arm may be associated with the base to indirectly set a rotation direction of the roller. The engagement arm may be associated with the base and engageable with the transmission.