Roller Shutter Console With Breakable Central Part
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Solution Overview
Problem
Existing roller shutter shaft brackets are not easily removable after installation, requiring additional parts for maintenance or replacement of the drive device, which increases costs and complexity.
Innovation Solution
The console design includes auxiliary and conjugate fixing means that allow the breakable part to be rotated and repositioned after detachment, eliminating the need for additional parts by using screws, rivets, or equivalent elements for reassembly, and incorporating adjustable holes for depth adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the console is made as a single piece with a breakable central part for maintenance access, then ease of repair is improved, but device complexity increases due to the need for additional parts to replace the drive device and shaft
Solution Approach 1:
The console is divided into a peripheral part and a breakable central part that can be detached for maintenance access. The central part is further segmented into replaceable components (drive device, shaft) that can be independently replaced without replacing the entire console structure.
Solution Approach 2:
The breakable central part is designed to be discarded after use and replaced with an identical or upgraded central part. The auxiliary fixing means with multiple hole positions allow the replacement central part to be secured in the same configuration, effectively recovering the original structural arrangement while enabling component replacement.
2Device complexity
If the console structure is simplified to eliminate additional parts, then device complexity is reduced, but ease of repair deteriorates because the bracket becomes difficult to remove after installation
Solution Approach 1:
The console is pre-assembled as a single piece during manufacturing with the breakable central part already integrated. This preliminary integration simplifies the overall structure and reduces the number of separate components that need to be handled during installation and maintenance, while still allowing controlled disassembly when needed.
Solution Approach 2:
The drive device and shaft are extracted as separate replaceable components within the breakable central part. This allows these specific components to be removed and replaced without affecting the peripheral part or requiring complete disassembly of the console, maintaining structural simplicity while enabling targeted repairs.
3Ease of operation
If the breakable part is designed for easy detachment, then ease of operation is improved, but reliability decreases due to potential structural weakness at the breakable joints
Solution Approach 1:
The breakable fasteners are designed as discrete segmented elements that can be individually broken or detached. This segmentation allows controlled disassembly through breaking specific fastener segments while maintaining the integrity of the remaining console structure during normal operation.
Solution Approach 2:
The breakable fasteners are designed with curved or angled breaking surfaces that facilitate controlled breaking in a specific direction. This curvature guides the breaking action and ensures that when fasteners are broken for maintenance, they fail in a predictable manner that maintains structural stability.
Data Source
Figure 1~3
Figure 4~6
AI summary
The console (C) has a sectile central part (C1) e.g. block, adjoined with a peripheral part (C2) by attachments (6) to be cut. The part (C1) has an elongated central part, where the elongated central part is applied against the part (C2) after cutting of the attachments, by a rotation of 90 degrees parallel to a plane of the elongated central part. The parts (C1, C2) have holes (9-12), where the holes (11, 12) of the part (C2) are aligned horizontally to cooperate with the holes (9, 10) of the elongated central part which is turned to 90 degrees after detachment. An independent claim is also included for a fitting for a roller blind in a place above an opening e.g. door or window, of a building.