Sunroof Insert Installation in Removable Vehicle Roof Panels

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Solution Overview

Problem

Manufacturers of vehicles with removable roof panels do not offer the option of a sunroof, necessitating a third-party installation requiring expertise.

Innovation Solution

A method for installing a sunroof insert into a removable roof panel, involving a reinforced plexiglass insert with a top surface, peripheral sidewall, and flange, using tape for alignment and adhesives for bonding, along with spacer tools and gasket molding for a secure fit.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a sunroof insert is installed by a third party without original equipment, then the sunroof functionality is added to vehicles that didn't have it from the manufacturer, but the installation complexity and difficulty increase significantly

Engineering Contradiction:
Improvesunroof installation availabilityVSAvoidinstallation complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The method performs preliminary actions by pre-cutting both top and bottom insert openings in the removable roof panel before installing the sunroof insert. Templates are placed and openings are routed in advance, so that when the insert is installed, it simply fits into the pre-prepared openings without requiring complex alignment or additional cutting operations during the actual installation.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The installation process is segmented into distinct, manageable steps: applying templates, cutting top opening, cutting bottom opening, removing templates, and installing the insert. Each step is independent and can be performed sequentially, reducing the overall complexity by breaking down the complex task of sunroof installation into simpler sub-tasks.

Inventive Principle:
Principle #1Segmentation

2Manufacturing precision

If precise alignment and secure bonding are achieved for professional-grade installation, then the installation quality is improved, but the time and procedural steps required increase

Engineering Contradiction:
Improveinstallation precisionVSAvoidinstallation time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

Templates are applied and positioned in advance to define the exact locations of insert openings. The openings are cut to precise dimensions before the actual insert installation, ensuring that when the insert is placed, it aligns perfectly with the pre-cut openings. This preliminary precision work eliminates the need for time-consuming alignment adjustments during final installation.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

Adhesive is used as an intermediary substance to bond the sunroof insert to the removable roof panel. The adhesive fills gaps and ensures secure attachment, while spacer tools serve as intermediaries to maintain consistent spacing between the insert and the panel during bonding. These intermediary elements simplify the precision requirement by providing tolerance for minor variations.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS11279424B1Method of installing a sunroof insert into a removable roof panel of a vehicle
Publication Date: 2022.03.22 HINRICHS CHRISTOPHER W
  • US11279424B1 patent drawing
  • US11279424B1 patent drawing
  • US11279424B1 patent drawing

AI summary

A method of installing a sunroof insert into a removable roof panel of a vehicle preferably includes a reinforced plexiglass sunroof insert. The sunroof insert preferably includes a top surface, a peripheral sidewall and a peripheral flange. The removable roof panel includes a top skin and a bottom skin. A top insert opening is formed in the top skin. A bottom insert opening is formed in the bottom skin. A bottom adhesive is applied to a bottom surface of the bottom skin, around a perimeter of the bottom insert opening. The sunroof insert is inserted into the bottom insert opening and then the top insert opening. The bottom adhesive will create a bond between the bottom skin and the peripheral flange. A top adhesive is used to fill a top peripheral gap between the sunroof insert and the peripheral strip of tape.