Vehicle Garnish Assembly with Full Edge Seal and Doghouse Mount
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Solution Overview
Problem
Existing garnish assemblies for vehicles often have incomplete sealing and complex geometries, leading to inconsistent fit and finish, particularly at the mirror attachment area where the seal is only provided along the upper edge, resulting in a larger and more complex design.
Innovation Solution
A garnish assembly with a seal extending along the entirety of the end edge surface and a doghouse structure that secures the garnish housing and seal to the vehicle, using heat stakes to form a permanent connection, ensuring full encapsulation and retention of the seal, and allowing for more complex mold designs without additional components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the seal is only provided along the upper edge of the garnish housing, then the design is simpler, but the sealing is incomplete and fit and finish is inconsistent
Solution Approach 1:
The patent combines the seal, garnish housing, and doghouse structure into an integrated assembly where the seal extends along the entire end edge surface and is fully retained by the doghouse structure. This merging eliminates the need for separate sealing components and ensures consistent fit and finish across the entire garnish assembly.
2Reliability
If the seal extends along the entirety of the end edge surface, then the sealing is complete and fit and finish is consistent, but the garnish assembly becomes larger and more complex
Solution Approach 1:
The patent integrates the seal, garnish housing, and doghouse structure into a unified assembly. The seal is fully retained within the garnish housing and secured by the doghouse structure, eliminating the need for additional external sealing components and reducing overall assembly size despite the extended seal length.
3Device complexity
If attachment points are integrated within the garnish housing, then the overall size is reduced and secondary components are eliminated, but the manufacturing precision requirements increase
Solution Approach 1:
The patent integrates all attachment points within the garnish housing itself, eliminating the need for separate external mounting components. The doghouse structure is formed as part of the garnish housing, with attachment features directly molded or formed into the housing structure, reducing component count while maintaining precision through integrated manufacturing.
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 provides consistent fit and finish, reduces the overall size of the garnish assembly by integrating all attachment points within the garnish housing, and eliminates the need for secondary components, ensuring the seal is fully secured and retained along its entire length.
Implementation Method 1
An example connection between a garnish and a doghouse structure is by heat staking
Data Source
AI summary
A garnish assembly and method for a vehicle includes a garnish housing having a show surface delineated by an end edge surface for mounting on the vehicle. The garnish assembly further includes a seal extending along an entirety of the end edge surface and a doghouse structure adapted to mount the garnish housing and the seal to the vehicle. The seal is secured along the end edge surface wherein the end-to-end length of the seal matches an end-to-end length of the end edge surface. The doghouse structure is secured to the garnish housing so that attachment to the doghouse structure to the vehicle mounts the seal and the garnish housing to the vehicle.