Casing Frame Snap Connection for Mobile Accommodation Windows
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Solution Overview
Problem
The challenge in mobile accommodations, such as caravans and campers, is to simplify and expedite the window fitting process while maintaining structural integrity and aesthetic appeal, as existing methods require significant construction time and complexity.
Innovation Solution
The proposed solution involves a casing frame with a flanged edge and fixation members that engage with the wall edge, allowing for a snap connection and dual function as a mounting base, enabling quick and secure window installation without additional components, and featuring rotatable, adjustable, and length-adjustable fixation members for flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional window installation methods are used in mobile accommodations, then structural integrity can be maintained, but assembly time and construction complexity increase significantly
Solution Approach 1:
The patent combines the casing frame and framework into a single integrated unit. The framework is pre-assembled within the casing frame structure, eliminating the need for separate installation steps. This merging of components directly reduces assembly time and construction complexity while maintaining structural integrity.
Solution Approach 2:
The window, casing frame, and framework are pre-assembled as a complete unit before installation into the mobile accommodation wall. All necessary components including the snap connection elements are prepared in advance, allowing for quick installation without on-site construction complexity.
2Loss of time
If the framework is pre-mounted in the casing frame, then assembly time is reduced, but additional components and complexity are introduced
Solution Approach 1:
The framework is integrated into the casing frame structure rather than being a separate component. The framework elements are formed as part of the casing frame's internal structure, reducing the total number of discrete components while enabling pre-assembly and reducing fitting time.
Solution Approach 2:
The casing frame structure serves multiple functions: it provides the outer boundary, contains the integrated framework, enables snap connection to the wall, and supports the window. This multi-functionality eliminates the need for separate components for each function, reducing overall complexity.
3Adaptability or versatility
If fixation members are made manually adjustable between positions, then adaptability to different wall thicknesses is improved, but device complexity increases
Solution Approach 1:
The fixation members are designed with rotational adjustability, allowing them to change position from protruding to retracted state. This dynamic capability enables adaptation to different wall thicknesses and installation conditions without requiring multiple fixed designs or complex adjustment mechanisms.
Solution Approach 2:
The fixation members are segmented as individual adjustable elements within the casing frame, allowing independent positioning of each fixation point. This segmentation enables flexible adaptation to various wall configurations while keeping each individual fixation member's mechanism simple.
Data Source
AI summary
A mobile accommodation, such as a caravan or camper, comprises a wall with a wall opening (5) in which a framed window (2,4) is arranged. The framed window comprises a casing frame (20) which drops with a flanged edge (25) over an, edge part of the wall (10) and which is fixed on an opposite side in the wall opening (5) by mounting clamps (40). These mounting clamps (40) further comprises a snap member (42) for a snapping engagement in a snap cavity (33) of a framework (30) arranged on an inner side.