Architectural Covering Transmission for Gravity Drop and Closure Control
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Solution Overview
Problem
Existing architectural covering systems lack efficient mechanisms for seamlessly transitioning between extended, closed, and retracted positions, often requiring manual operation and lacking automatic gravity drop functionality.
Innovation Solution
An operating system with a directional control mechanism and transmission system that allows the shade material to be manually or automatically extended, closed, and retracted, incorporating a shifter to switch between operating modes, enabling gravity-driven extension and fine control for opening and closing configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a retractable cord mechanism is used to operate the architectural covering, then the cord length is kept relatively constant and the mechanism can be reciprocally pulled and automatically retracted, but the system lacks efficient mechanisms for seamlessly transitioning between extended, closed, and retracted positions and requires manual operation
Solution Approach 1:
The patent applies dynamics by making the transmission system selectively engageable and disengageable from the input assembly. The directional control mechanism allows the transmission to dynamically switch between engaged and disengaged states, enabling automatic gravity drop when disengaged and controlled operation when engaged. This dynamic engagement resolves the contradiction by allowing simple manual operation when needed while enabling automatic operation when the transmission is disengaged.
Solution Approach 2:
The patent applies self-service by enabling the architectural covering to automatically extend through gravity-driven operation when the transmission is disengaged from the input assembly. The system serves itself by allowing the shade material to gravity drop without requiring manual pumping of the retractable cord mechanism, thus resolving the contradiction between ease of operation and device complexity.
2Measurement precision
If the transmission system is continuously engaged to provide controlled operation, then precise control over opening and closing is achieved, but the automatic gravity drop functionality is lost
Solution Approach 1:
The patent applies dynamics by making the transmission system selectively engageable and disengageable from the input assembly. The directional control mechanism allows the transmission to dynamically switch between engaged and disengaged states, enabling automatic gravity drop when disengaged and controlled operation when engaged. This dynamic engagement resolves the contradiction by allowing simple manual operation when needed while enabling automatic operation when the transmission is disengaged.
3Device complexity
If manual operation is required for all movements, then the system structure can be simpler, but user convenience and operational efficiency are reduced
Solution Approach 1:
The patent applies dynamics by making the transmission system selectively engageable and disengageable from the input assembly. The directional control mechanism allows the transmission to dynamically switch between engaged and disengaged states, enabling automatic gravity drop when disengaged and controlled operation when engaged. This dynamic engagement resolves the contradiction by allowing simple manual operation when needed while enabling automatic operation when the transmission is disengaged.
Solution Approach 2:
The patent applies self-service by enabling the architectural covering to automatically extend through gravity-driven operation when the transmission is disengaged from the input assembly. The system serves itself by allowing the shade material to gravity drop without requiring manual pumping of the retractable cord mechanism, thus resolving the contradiction between ease of operation and device complexity.
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 smooth and efficient operation of architectural coverings across architectural structures, allowing for automatic gravity-driven extension and precise control over opening and closing, enhancing user convenience and operational efficiency.
Implementation Method 1
Some operating systems allow the shade material or shading (such terms may be used interchangeably herein without intent to limit) to gravity drop under its own weight to extend the shade material across an architectural structure/feature.
Data Source
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AI summary
An operating system (100) for an architectural covering (102) is provided. The operating system (100) allows at least three modes of operation in order to extend, open or retract/close an architectural covering. A transmission (112) located between an input assembly (106) and an output drive member (13) can be selectively engaged to place the operating system (100) into one of the at least three modes of operation. The operating system includes a first drive section (164) with an input, a second drive section (165) with an output, and a control mechanism (110) arranged to selectively lock an element of the first and second drive sections to control movement of the output of the operating system (100) upon actuation of the input. A shift lock (500) is is able to restrict shifting operation of the operating system (100) from one operating mode to another.