Roller Element Covering Box With Nested Pivoting Hood
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Solution Overview
Problem
Existing roller blind assemblies face issues with non-intuitive hood disconnection, leading to potential damage or breakage due to unintentional falling, and lack of safety during assembly.
Innovation Solution
A covering box and hood system with pivoting means and coupling mechanisms that allow intuitive and secure coupling and decoupling, featuring a hollow and hook-shaped segments for pivoting, and a wedge-shaped widening for secure attachment, limiting the hood's angle to 90 degrees or less to prevent collisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the hood is completely separated from the covering box, then access to the internal housing is improved, but the hood may unintentionally fall to the ground causing damage or breakage
Solution Approach 1:
The hood is designed to nest within the covering box when disconnected, with the hood fitting into a recessed portion of the box. This nesting arrangement ensures the hood remains contained and supported even when fully separated, preventing it from falling to the ground while still providing complete access to the internal housing.
2Ease of operation
If the hood is completely disconnected from the covering box, then ease of removal is improved, but the coupling system becomes less intuitive and requires multiple positions
Solution Approach 1:
The coupling system extracts the complex multi-position requirement by providing a single, intuitive disconnection motion. The hood is coupled to the covering box through a simplified mechanism where the user simply moves the hood from its connected position to a disconnected position within the recessed portion, eliminating the need for multiple intermediate positions while maintaining ease of removal.
3Ease of operation
If the hood is allowed to move freely in disconnected state, then ease of positioning is improved, but collision with nearby objects occurs
Solution Approach 1:
The covering box includes a recessed portion that preliminarily defines the disconnected position of the hood. When the hood is disconnected, it automatically settles into this pre-defined recessed space, which is positioned to prevent collision with nearby objects such as window panes. This preliminary positioning action eliminates the need for user judgment about safe positioning while maintaining ease of operation.
Data Source
AI summary
A covering box for roller elements, to be fixed to a wall or ceiling, comprises a casing made up of multiple walls that define an internal housing configured to receive the roller elements. A lower hood is provided with a pivot to form an axis of rotation, such that the hood is able to pivot with respect to the casing between a connected state and a disconnected state. The pivot comprises a hollow and a hook-shaped segment configured to be coupled with a segment of the hood. The hollow is defined by a vertical extension that extends from the casing and an elongated horizontal extension from which the hook-shaped segment extends vertically defining a first point of rotation for a first segment of the hood and a curved segment intended to make contact under pressure on a second segment of the hood. An elongated segment protrudes from the elongated extension that defines a second point of rotation for a third segment of the hood.