Two-part Guide Profile for Window Roller Shutters
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Solution Overview
Problem
The inconsistent visual appearance of windows and doors due to the use of different materials for guide profiles, such as metal guide rails on plastic frames, and the bulky construction of existing guide profiles, which are not space-saving or easy to install for various curtain types.
Innovation Solution
A guide profile designed in two parts, with an outer plastic profile and an inner metal profile, where the outer profile is detachably clipped onto the inner one, providing a uniform appearance and accommodating different types of curtains, including insect screens and roller shutters, while the inner profile can be concealed and securely attached to the window frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If different materials are used for guide profiles to match frame materials (wood, aluminum, plastic), then the visual appearance consistency is improved, but the device complexity and variety of parts increases
Solution Approach 1:
The guide profile is divided into two separate components: an outer profile (visible) and an inner profile (functional). This segmentation allows each component to be optimized independently - the outer profile can be made of plastic to match plastic frames while the inner profile can be metal for structural strength, eliminating the need for multiple material variants.
Solution Approach 2:
The outer profile serves multiple functions: it provides the visible aesthetic surface that matches the frame material, protects the inner profile, and contributes to the overall structural assembly. This multi-functionality allows a single outer profile design to work with different frame types when combined with different inner profiles.
2Strength
If metal guide rails are used on plastic frames, then the structural strength is improved, but the visual appearance consistency deteriorates
Solution Approach 1:
The inner metal profile is nested inside the outer plastic profile, with the outer profile acting as a cover that conceals the metal material. This nesting arrangement allows the combination of metal strength and plastic aesthetics in a single integrated assembly.
Solution Approach 2:
Different materials are used in different locations within the same guide profile assembly: metal is used in the inner profile where structural strength is needed for mounting and load-bearing, while plastic is used in the outer profile where aesthetic matching with the frame is required.
3Shape
If multi-walled hollow guide profiles are used, then the visual cover function is improved, but the volume and construction complexity increase
Solution Approach 1:
The functional running groove is extracted from the hollow interior of a multi-walled profile and placed in a separate, flat inner profile. This extraction eliminates the need for complex multi-walled construction while maintaining the visual cover function through the outer profile and the guiding function through the inner profile.
4Adaptability or versatility
If separate edging profiles and running grooves are used, then the functional specialization is improved, but the device complexity and number of parts increases
Solution Approach 1:
The outer profile and inner profile are merged into a single guide profile assembly that functions as both a visual cover and a functional guide. The inner profile integrates the running groove function while the outer profile provides the aesthetic cover, eliminating the need for separate edging profiles and reducing the total number of components.
Data Source
Figure 1a
Figure 1b
Figure 2a
AI summary
The invention relates to a guide profile (100, ... ,106) for a window or door with a roller shutter box, which can be connected to a vertical frame profile (50), in particular a lateral vertical frame profile or a mullion profile, and which has at least one laterally open guide recess (A,B), wherein it has an inner profile (20), in particular which can be connected directly or indirectly to the frame profile (50), and an outer profile (10) which is attached or at least attachable to the inner profile (20) from the outside, in particular by snapping.