Motorcycle Back Support Assembly for Easy Fender-Mount Installation

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Solution Overview

Problem

Existing motorcycle back support assemblies are difficult to install and remove without damaging the motorcycle's paint or finish, and they often lack customization options for riders.

Innovation Solution

An adjustable back support assembly with a cushioning pad that uses pre-drilled holes on the motorcycle's rear fender and is designed to match the motorcycle's styling, featuring a mounting plate, planar backbone, and support member constructed from billet aluminum, allowing for easy installation and removal without damaging the surface.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional back support assemblies are installed on motorcycles, then back support function is provided, but installation is difficult and may damage the motorcycle's paint or finish

Engineering Contradiction:
Improveback support functionVSAvoidinstallation ease
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The mounting plate is pre-formed with curved surfaces that match the contour of the motorcycle fender, and pre-drilled holes are provided at the correct positions. This preliminary preparation eliminates the need for complex assembly operations and prevents damage to the motorcycle surface during installation.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The back support assembly is divided into separate components: a mounting plate, a backbone, and a back support member. This segmentation allows each component to be independently designed and assembled, simplifying the overall installation process while maintaining structural integrity.

Inventive Principle:
Principle #1Segmentation

2Reliability

If traditional back support assemblies are installed on motorcycles, then back support function is provided, but the motorcycle's paint or finish may be damaged

Engineering Contradiction:
Improveback support functionVSAvoiddamage to motorcycle surface
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The mounting plate serves as an intermediary component between the motorcycle fender and the back support structure. It distributes mounting forces across a larger area and uses pre-positioned holes that align with existing fender holes, preventing concentrated stress points that could damage the motorcycle's paint or finish.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If traditional back support assemblies are installed on motorcycles, then back support function is provided, but removal requires significant effort

Engineering Contradiction:
Improveback support functionVSAvoidremoval ease
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The segmented design with separate mounting plate, backbone, and back support member allows for easy disassembly. Each component can be independently removed by loosening fasteners, making the removal process straightforward and requiring minimal effort.

Inventive Principle:
Principle #1Segmentation

4Reliability

If traditional back support assemblies are installed on motorcycles, then back support function is provided, but the appearance is not aesthetically pleasing

Engineering Contradiction:
Improveback support functionVSAvoidaesthetic appearance
Core Design Contradiction:
ReliabilityVSShape

Solution Approach 1:

The mounting plate features curved surfaces at its rear end that specifically match the contour of the motorcycle fender. This localized shaping ensures that the assembly blends seamlessly with the motorcycle's existing aesthetics, while the rest of the structure maintains its functional design.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS7992931B1Adjustable motorcycle-mounted back support
Publication Date: 2011.08.09 INGLISH HOWARD
  • US7992931B1 patent drawing
  • US7992931B1 patent drawing
  • US7992931B1 patent drawing

AI summary

An adjustable back support assembly with a cushioning pad for use with a motorcycle is disclosed. The angle of support is adjustable, and the back support and cushioning pad of varying sizes may be used with the assembly. The assembly is attached to the motorcycle using stock holes present in the rear fender and requires little or no disassembly of the motorcycle to install. The assembly is shaped to complement the styling of the motorcycle and is removable without damaging the paint or finish.