Adjustable Boat Debris Shield with Telescopic Arms

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Solution Overview

Problem

Conventional debris shields for boats are often sized specifically for particular boat and trailer combinations, requiring cumbersome installation and potentially damaging the boat's finish, while existing solutions like aprons can remove the glossy finish or require ground-level operation.

Innovation Solution

A debris shield with an adjustable frame assembly and mesh canvas that can be securely attached to a boat and trailer without touching the boat, featuring adjustable arms and straps to fit various boat and trailer sizes, ensuring protection from road debris without compromising the boat's finish.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a debris shield is sized specifically for a particular boat and trailer combination, then it provides effective protection from road debris, but it requires cumbersome installation and cannot be adapted to different boat sizes

Engineering Contradiction:
Improveprotection effectivenessVSAvoidinstallation convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The debris shield employs adjustable arms with telescopic sections that can be extended or retracted to match different boat and trailer size combinations. This dynamic adjustment capability allows the same shield structure to adapt to various configurations, eliminating the need for multiple fixed-size shields and simplifying installation while maintaining protection effectiveness.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The shield's geometric parameters (length, height, angle) are made variable through adjustable arms and configurable support structures. By changing these parameters to match different boat-trailer combinations, the shield maintains optimal protection positioning without requiring custom fabrication for each size, thus improving both reliability and ease of operation.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If an apron is applied directly onto the boat, then it provides protection from road debris, but it removes the boat's glossy finish

Engineering Contradiction:
Improveprotection effectivenessVSAvoiddamage to boat finish
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The debris shield introduces an intermediate protective structure positioned between the road debris and the boat surface. This shield captures debris in mid-air before it can contact the boat, eliminating the need for direct-contact aprons that would scrape or remove the glossy finish while still providing effective protection.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If a debris shield requires ground-level operation for installation, then it can be securely attached to the trailer, but it increases installation time and complexity

Engineering Contradiction:
Improveattachment securityVSAvoidinstallation time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The debris shield is divided into modular components including adjustable arms, canvas sections, and separate mounting brackets. This segmentation allows installers to work with smaller, more manageable parts that can be positioned and secured from above, eliminating the need for ground-level operation while maintaining secure attachment through distributed mounting points.

Inventive Principle:
Principle #1Segmentation

4Reliability

If a fixed-size debris shield is used, then it provides consistent protection for that specific boat size, but it cannot be adapted to different boat and trailer combinations

Engineering Contradiction:
Improveprotection consistencyVSAvoidcompatibility with different boats
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The debris shield is designed as a universal system with adjustable arms, configurable support structures, and adaptable canvas dimensions that can accommodate multiple boat and trailer combinations. This multi-functionality allows a single shield design to serve various boat sizes and trailer configurations while maintaining consistent protection quality through proper adjustment of its components.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS10023094B2Debris shield adaptable for use with a variety of boats and trailers
Publication Date: 2018.07.17 GAGNON NEIL
  • US10023094B2 patent drawing
  • US10023094B2 patent drawing
  • US10023094B2 patent drawing

AI summary

Disclosed herein is a debris shield adaptable for use with a boat and a trailer. The debris shield includes a frame assembly, and a canvas. The frame assembly includes a frame and at least one adjustable arm with one end suitable to be connected to either the side portion of the boat that sits above the trailer or the base of the trailer, and another end suitable to be connected to the frame. The adjustable arm is adjustable in length to adapt the frame to at least one of the height of the boat and the width of the trailer base. The canvas includes a substantially rectangular part. The rectangular part has a trailer side, a stern side, a boat side and a bow side. The trailer side is fastenable to the frame. The debris shield is adjustable to at least one of the height of the boat and the width of the trailer.