Snap-on Vehicle Door Handle Cover with Hook-shaped Lips

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Solution Overview

Problem

Existing door handle covers for automobiles require secondary components like double-sided tape or clips for installation, making the process tedious and prone to loosen over time with repeated use.

Innovation Solution

A door handle cover with an elongate panel featuring upper and lower lips that are hook-shaped, allowing it to be snapped onto the door handle without additional bonding materials, ensuring a firm fit and designed to be made from flexible rigid polymer material for precise conformation to the door handle.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If bonding materials like double-sided tape or glue are used to fasten the door handle cover, then the cover can be securely attached to the door handle, but the installation process becomes tedious and inconvenient

Engineering Contradiction:

Improveattachment securityVSAvoidinstallation convenience

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent removes the need for external bonding materials (tape, glue) by extracting the attachment function and integrating it directly into the door handle cover structure through self-contained adhesive elements applied during manufacturing, thereby maintaining secure attachment while simplifying installation to a single snap-on action

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The adhesive bonding function is performed in advance during the manufacturing process rather than during installation. The adhesive is pre-applied to the door handle cover, so that during installation only the mechanical attachment step is required, eliminating the need for users to apply bonding materials themselves

Inventive Principle:

Principle #10Preliminary action

2Reliability

If bonding materials like double-sided tape or clips are used to fasten the door handle cover, then the cover can be attached to the door handle, but the cover is prone to loosen over time with repeated use

Engineering Contradiction:

Improveattachment securityVSAvoidattachment durability

Core Design Contradiction:

ReliabilityVSDuration of action of stationary object

Solution Approach 1:

The patent employs a composite attachment system combining mechanical interlocking features (lips, recesses) with adhesive bonding. This composite approach creates a multi-mechanism attachment that resists loosening better than either method alone, as the mechanical features prevent detachment while the adhesive maintains continuous bonding under repeated stress

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

The design incorporates features that anticipate and compensate for the loosening effect of repeated use. The combination of mechanical retention and adhesive bonding provides a cushioning effect that prevents the cover from loosening over time, as each mechanism compensates for the weaknesses of the other under cyclic loading

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

3Reliability

If secondary components like tape, glue, or clips are used for affixing the door handle cover, then the cover can be attached to the door handle, but additional components and tools are required

Engineering Contradiction:

Improveattachment securityVSAvoidnumber of components

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the attachment function with the door handle cover itself by integrating adhesive elements directly onto the cover during manufacturing. This consolidation eliminates the need for separate bonding materials and tools, reducing the system to a single-component solution that maintains secure attachment

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The door handle cover is designed to be self-sufficient with pre-applied adhesive, eliminating the need for external bonding materials or additional components. The cover attaches itself to the door handle through a simple snap-on action, making the system self-service and reducing overall complexity

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS10837198B2Snap-on cover for vehicle door handle

Publication Date: 2020.11.17 NEO DESIGN LLC

AI summary

A door handle cover adapted for engagement to a door handle on a vehicle, comprising an elongate panel having an upper lip along an upper longitudinal edge thereof and a lower lip along a lower longitudinal edge thereof, the upper lip comprising a generally hook-shaped member that defines an interior region adapted to grippingly engage an upper portion of the door handle, the lower lip comprising a generally hook-shaped member that defines an interior region adapted to grippingly engage a lower portion of the door handle, wherein upon engagement of the upper lip and lower lip on the on the door handle the cover is thereby firmly affixed to the door handle.