Plastic Roller Shutter Box with Releasable Inspection Profiles
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Solution Overview
Problem
Existing roller shutter boxes lack the flexibility to be inspected either downwards or inwards, as their inspection openings are typically fixed during assembly, limiting maintenance access.
Innovation Solution
A roller shutter box design featuring a two-part base and additional profiles with latching mechanisms that allow the inner panel and bottom flap profiles to be pivotably and detachably connected, enabling alternative inspection orientations through a snap-in connection system and screw channels, allowing the selection of inspection direction on-site.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the inspection panel is fixed during assembly, then the structure is simple and stable, but the maintenance access is limited to a single direction
Solution Approach 1:
The patent applies the dynamics principle by making the connection between the bottom flap profile and inner panel profile changeable. Instead of a fixed rigid connection, the profiles are connected through detachable latching means (latching webs and latching grooves) that allow the structure to be reconfigured. This enables the inspection opening to be dynamically adjusted between different directions (inwards or downwards) by selectively engaging or disengaging the latching connections, thus resolving the contradiction between structural simplicity and inspection flexibility.
Solution Approach 2:
The patent segments the base structure into multiple independent profiles (floor base profile, bottom flap profile, inner panel profile, and additional profile) that can be independently connected and disconnected. Each profile contains specific latching means that can be selectively engaged. This segmentation allows the system to maintain overall structural integrity while enabling flexible reconfiguration of the inspection path by selectively engaging different profile connections, thereby achieving versatility without excessive complexity.
2Adaptability or versatility
If the bottom flap profile and inner panel profile are directly locked together, then the assembly is simple, but the inspection direction cannot be changed
Solution Approach 1:
The patent introduces an additional profile as an intermediary element between the bottom flap profile and the inner panel profile. This additional profile contains both a first latching means that engages with the bottom flap profile and a second latching means that engages with the inner panel profile. This intermediary structure enables flexible configuration of the inspection opening by allowing selective engagement of different latching connections, while maintaining a standardized assembly process through consistent use of latching webs and grooves across all profile interfaces.
3Adaptability or versatility
If multiple latching mechanisms are added to enable flexible inspection, then the adaptability improves, but the structural stability may be compromised
Solution Approach 1:
The patent implements a dynamic latching system where the same type of latching means (latching webs and complementary latching grooves) is used throughout the profile connections. These latching mechanisms provide stable, rigid connections when engaged, ensuring structural integrity. However, they can be selectively disengaged and re-engaged in different configurations to change the inspection direction. The screw channels provide additional adjustable fastening points that can be selectively used to lock profiles in desired positions, maintaining stability while enabling flexibility.
Data Source
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AI summary
The invention relates to a plastic blind cage (1) in the form of a top-mounted cage as well as a system of profiled sections therefor, comprising a bottom profiled base (2) for mounting the blind cage (1) on the window frame (7), a bottom profiled flap (3, 3'), an internal profiled cover (4, 4'), at least one profiled top (5), and two front caps (13). In order to inspect the blind cage (1), the same can be alternatively inserted in such a way that the bottom profiled flap (3, 3') or the internal profiled cover (4, 4') can be swiveled relative to the blind cage (1) and/or be removed as an inspection cover. For this purpose, an additional profiled section (10, 10') is used. In the closed state of the blind cage (1), the bottom profiled flap (3, 3') and the internal profiled cover (4, 4') are each connected to the additional profiled section (10, 10') by means of releasable snap-on connections (19, 20, 20', 21, 21'). The profiled section (bottom profiled flap (3, 3') or internal profiled cover (4, 4')) that is not used for inspection purposes is screwed to the front caps (13) of the blind cage (1).