Snowmobile Tunnel Connector for Removable Accessory Mounting

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Solution Overview

Problem

Current systems for attaching accessories to snowmobiles are in need of improvement, particularly in terms of versatility and ease of attachment.

Innovation Solution

A snowmobile frame with a connector system that allows for removable attachment of accessories behind the operator's seat, including a connector mounted to the frame over a tunnel and a seat that can be connected to the snowmobile via this connector.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a connector system is added to the snowmobile frame, then adaptability and versatility are improved, but device complexity increases

Engineering Contradiction:

Improveaccessory attachment capabilityVSAvoidconnector system structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The connector system is designed with universal mounting points and standardized interfaces that can accommodate multiple types of accessories (seats, storage containers, cargo racks) through a single attachment mechanism. The connector includes a base plate with multiple mounting holes and adjustable fastening points that can secure various accessory configurations without requiring custom mounting solutions for each accessory type.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The connector system is divided into separate modular components including a base plate that mounts to the frame, adjustable mounting brackets, and removable fastening mechanisms. This segmentation allows the individual components to be manufactured independently, assembled in different configurations, and replaced or adjusted without affecting the entire attachment system.

Inventive Principle:

Principle #1Segmentation

2Ease of operation

If a removable connector system is implemented, then ease of operation is improved, but reliability may worsen due to potential attachment issues

Engineering Contradiction:

Improveaccessory installation and removalVSAvoidattachment security

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The connector system incorporates dynamic fastening mechanisms that transition between locked and unlocked states, allowing easy attachment and removal when intended while providing secure fixation during operation. The fastening system includes latch mechanisms with positive engagement features that ensure reliable locking, combined with release levers or buttons that enable quick detachment when needed.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The connector design includes built-in alignment features, guide pins, and self-centering mechanisms that prevent misalignment or improper attachment before the fastening process begins. These preventive features ensure that accessories are correctly positioned and securely attached from the start, eliminating potential reliability issues that could arise from incorrect installation.

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

Data Source

PatentUS12447904B2System for attaching accessories to a snowmobile

Publication Date: 2025.10.21 POLARIS IND INC

AI summary

A snowmobile including: a frame including a tunnel configured to accommodate a drive track; a connector mounted to the frame over the tunnel; and a seat configured to be removably connected to the snowmobile by way of the connector.