Window Lining Mounting Fitting Snap Engagement
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Solution Overview
Problem
Existing window lining assembly installation methods lack flexibility and are not fail-safe, particularly in complex geometries like inclined roofs, where traditional fastening methods can be challenging and material limitations restrict choice.
Innovation Solution
The window lining assembly features a mounting fitting with a first leg that exceeds the distance between flanges and a second leg with a snap engagement mechanism, allowing secure engagement without separate fastening means, enabling flexible installation and use of various materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional fastening methods with screws are used to connect mounting fittings to lining frame pieces, then reliable connection is achieved, but installation flexibility is reduced and drilling is required which limits material choices
Solution Approach 1:
The patent replaces the traditional screw-based mechanical fastening system with a snap engagement mechanism. The mounting fitting includes a connection element that engages with a receptacle on the lining frame piece through a snap-action mechanism, eliminating the need for drilling holes and inserting screws. This substitution maintains connection reliability while dramatically improving installation flexibility and expanding material choices for the lining frame pieces.
2Ease of operation
If mounting fittings are secured with separate fastening means like screws, then secure connection is achieved, but installation process becomes more complex and time-consuming
Solution Approach 1:
The patent merges the mounting fitting and the fastening mechanism into a single integrated component. The connection element is formed as an integral part of the mounting fitting, and the receptacle is built into the lining frame piece. This integration eliminates separate fastening means and reduces the number of installation steps to a simple snap-in operation, thereby improving ease of operation while reducing overall system complexity.
Solution Approach 2:
The snap engagement mechanism is designed to be self-aligning and self-latching. The connection element automatically engages with the receptacle when brought into proximity, and the snap action provides automatic locking without requiring precise alignment or additional fastening steps. This self-service characteristic simplifies the installation process and reduces the skill level required for proper installation.
3Adaptability or versatility
If drilling is required for fastening mounting fittings to lining frame pieces, then secure attachment is achieved, but material selection is limited to drillable materials
Solution Approach 1:
By replacing the drilling-based mechanical fastening system with a snap engagement system, the patent removes the constraint that limits material selection to drillable materials only. The lining frame pieces can now be made from any material that can be molded or formed with the appropriate receptacle geometry, including plastics, composites, and other non-traditional materials that would be difficult or impossible to drill into securely.
Data Source
Figure 1
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AI summary
The window lining assembly is composed by a window lining (2) and a lining frame (3). Several mounting fittings (9) connect the lining frame (3) to the window lining (2), each mounting fitting including a first leg (941) for connection to a lining frame piece, and a second leg (942) for connection to a lining panel of the window lining. The first leg (941) of each mounting fitting (9) has a length extending between a first end (913) and a second end (914) exceeding the distance between protruding flanges (315, 314) of the lining frame piece (31), and a width extending between a first side (941 a) and a second side (941 b) not exceeding the distance between the protruding flanges (315, 314).