Vehicle Slider Window Rail Notches for Adhesive Control
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Solution Overview
Problem
Conventional slider window assemblies for vehicles face challenges in achieving enhanced bonding between rails and glass panels, leading to issues with excess adhesive accumulation and inefficient assembly processes.
Innovation Solution
The introduction of notches and apertures at the ends of the rails allows excess adhesive to escape during bonding, combined with a tapered surface for easy removal, enhancing the assembly and bonding process between the rails and glass panels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If rails are adhesively bonded to fixed window panels using conventional methods, then bonding strength is achieved, but excess adhesive accumulates on the window panel surface
Solution Approach 1:
The patent extracts the excess adhesive from the bonding interface by providing escape paths (notches and apertures) that allow the adhesive to be removed from the system during the bonding process, preventing accumulation on the window panel surface while maintaining bond strength
Solution Approach 2:
The patent applies local quality by creating specific localized features (notches at rail ends and apertures through the rail) that provide adhesive escape paths only at critical locations, allowing controlled adhesive removal where needed while maintaining bonding integrity at the bonding surface
2Reliability
If adhesive is applied generously to ensure complete coverage, then bonding reliability improves, but adhesive residue remains on the window panels
Solution Approach 1:
The patent converts the harmful effect of excess adhesive into a beneficial outcome by designing notches and apertures that channel the excess adhesive away from the window panel surface, transforming what would be contamination into a controlled escape path that maintains both coverage and cleanliness
3Ease of manufacture
If conventional bonding methods are used, then assembly is straightforward, but adhesive removal requires additional cleaning steps
Solution Approach 1:
The patent applies preliminary action by incorporating notches and apertures into the rail design before bonding occurs, which pre-establish adhesive escape paths that automatically remove excess adhesive during the bonding process itself, eliminating the need for subsequent cleaning operations
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution ensures a controlled escape of excess adhesive, facilitating a more efficient and effective bonding process, allowing for enhanced assembly and reducing adhesive residue on the window panels.
Implementation Method 1
The rails include one or more notches at the ends thereof that allows the adhesive to squeeze through the notches during the assembly of the rails to the glass panels. The notches provide for enhanced bonding of the rails to the glass panels.
Data Source
AI summary
A slider window assembly for a vehicle includes at least one fixed window panel and a frame portion attached at the at least one fixed window panel. A movable window panel is movable along upper and lower rails of the frame portion and movable between a closed position and an opened position. At least one of the upper and lower rails includes a recess for receiving adhesive therein and a tapered end region at an end of the recess. The tapered end region includes at least one notch or groove through a wall that at least partially circumscribes the recess, with the notch or groove configured to allow excess adhesive to escape during the adhesive bonding of the at least one of the upper and lower rails to the at least one fixed window panel. The tapered end region has an outer tapered surface opposite the recess.