Ball Hitch Cover With Segmented Tabs For Universal Fit

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Solution Overview

Problem

Existing ball hitch covers are limited to a single size and lack adjustability, often interfering with connecting members, and fail to protect ball hitches from environmental wear and frictional contact effectively.

Innovation Solution

A flexible ball hitch cover with a unique design featuring a front tab, side tabs, and rear tabs, along with notches for adjustable fitting, secured via adhesive or friction, allowing it to conform to different sized ball hitches without interfering with connecting members, providing comprehensive protection from wear and elements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a ball hitch cover is designed for a single size, then it provides simple structure and easy manufacture, but it lacks adaptability to different sized ball hitches

Engineering Contradiction:
Improveadaptability to different ball hitch sizesVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The ball hitch cover is divided into multiple tabs (front tab, side tabs, rear tabs) that can be independently positioned and adjusted. Each tab can be folded or positioned to accommodate different ball hitch sizes, allowing the cover to adapt to various dimensions without requiring multiple different covers.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cover incorporates flexible elements and movable tabs that can be adjusted during installation. The tabs can be folded in different configurations to match different ball hitch sizes, providing dynamic adaptability rather than a fixed single-size design.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If a ball hitch cover is made flexible to conform to different shapes, then it improves adaptability, but it reduces structural strength and durability

Engineering Contradiction:
Improveconformability to ball hitch shapeVSAvoidstructural strength
Core Design Contradiction:
Adaptability or versatilityVSStrength

Solution Approach 1:

The ball hitch cover utilizes a flexible material construction that can conform to the spherical shape of different ball hitches. The flexibility allows the cover to adapt to various sizes and shapes while maintaining sufficient strength through the material properties and structural design of the tabs and adhesive bonding.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The cover combines flexible material with adhesive bonding to create a composite structure that achieves both conformability and strength. The adhesive provides additional structural support while the flexible material ensures adaptability to different ball hitch shapes and sizes.

Inventive Principle:
Principle #40Composite materials

3Ease of operation

If the ball hitch cover uses adhesive for securing, then it provides easy installation and removal, but it may not provide sufficient protection against strong environmental forces

Engineering Contradiction:
Improveease of installation and removalVSAvoidprotection reliability under environmental forces
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The cover uses multiple tabs (front tab, side tabs, rear tabs) with adhesive applied to each tab. This segmented approach distributes the adhesive bonding across multiple contact points, increasing overall attachment strength and reliability while maintaining ease of installation and removal through the adhesive's inherent properties.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cover combines mechanical attachment through the tab structure with chemical attachment through adhesive bonding. This merging of mechanical and chemical attachment methods provides both easy installation/removal and reliable protection against environmental forces.

Inventive Principle:
Principle #5Merging (Combining)

4Object-affected harmful factors

If the ball hitch cover is designed to fully cover the ball hitch, then it provides maximum protection from wear and elements, but it may interfere with connecting members extending from the ball hitch

Engineering Contradiction:
Improveprotection from environmental wearVSAvoidinterference with connecting members
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The cover is divided into tabs of different lengths and positions (front tab, side tabs, rear tabs), with the rear tabs being shorter than the front tab. This segmentation allows the cover to provide maximum protection over the ball hitch surface while the shorter rear tabs prevent interference with connecting members that extend from the ball hitch.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cover employs varying tab lengths and positions to provide different levels of coverage in different areas. The front tab provides extended coverage for maximum protection, while the shorter rear tabs provide protection where needed but stop before interfering with connecting members, creating local variations in coverage quality.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS10226976B2Ball hitch cover
Publication Date: 2019.03.12 AMARAL KENNETH
  • US10226976B2 patent drawing
  • US10226976B2 patent drawing
  • US10226976B2 patent drawing

AI summary

A ball hitch cover. The ball hitch cover includes a front tab and a pair of side tabs connected to a lower end of the front tab. Each side tab includes a first edge having a first width and a second edge having a second width, wherein the second edge width is greater than the first edge width. A pair of rear tabs are disposed opposing the front tab, such that each rear tab is disposed adjacent to the second edge of one of the side tabs of the pair of side tabs. A length of each rear tab of the pair of rear tabs is greater than a length of the front tab. The ball hitch cover is flexible and configured to conform to the shape of a ball hitch and is securable thereto via an adhesive disposed on an inner side of the ball hitch cover.