Folding Pontoon Raft Frame for Compact Transport and Expansion

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Solution Overview

Problem

Existing pontoon fishing rafts are limited by weight and dimensions, making them non-portable and difficult to transport, especially for fishermen who need to travel to fishing locations by plane or backpack.

Innovation Solution

A foldable pontoon fishing raft with a frame made of connectable, folding right and left side sections that can be stored in a suitcase and expanded for use, featuring a design that allows coupling with additional frames and inflatable pontoons for multiple users.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional pontoon rafts are designed to accommodate multiple users and provide stable fishing platform, then the raft size and weight increase, but portability and ease of transport deteriorate

Engineering Contradiction:

Improvecapacity for multiple usersVSAvoidraft weight

Core Design Contradiction:

Adaptability or versatilityVSWeight of moving object

Solution Approach 1:

The pontoon raft is divided into modular components including separate frame sections, inflatable pontoons, and detachable seating areas. Each module can be independently packed and transported, then assembled at the destination to create a larger capacity raft for multiple users.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The raft employs an expandable frame structure with telescoping or folding mechanisms that allow the same structure to occupy minimal space during transport and expand to provide a stable, spacious platform when deployed for fishing.

Inventive Principle:

Principle #15Dynamics

2Stability of the object's composition

If traditional pontoon rafts are designed for stability and comfort, then the structure becomes rigid and bulky, but foldability and storage efficiency deteriorate

Engineering Contradiction:

Improveplatform stabilityVSAvoidframe structure complexity

Core Design Contradiction:

Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The frame is segmented into multiple hinged sections that can fold together into a compact configuration for storage, while maintaining structural integrity and stability when assembled and deployed on water.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The raft incorporates inflatable pontoon elements that provide structural support and stability when pressurized, yet can be deflated and folded flat for compact storage, replacing rigid bulky frames.

Inventive Principle:

Principle #30Flexible shells and thin films

3Weight of moving object

If pontoon rafts are designed to be lightweight for portability, then the structural strength and load-bearing capacity deteriorate

Engineering Contradiction:

Improveraft weightVSAvoidload-bearing capacity

Core Design Contradiction:

Weight of moving objectVSStrength

Solution Approach 1:

The raft frame utilizes composite construction combining lightweight aluminum or fiberglass tubes with high-strength connection joints, providing adequate load-bearing capacity for multiple users while maintaining low overall weight for portability.

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

Inflatable pontoon chambers made from durable puncture-resistant materials provide buoyancy and structural support, allowing the raft to support multiple users while keeping the overall structure lightweight and foldable.

Inventive Principle:

Principle #29Pneumatics and hydraulics

4Ease of operation

If pontoon rafts are designed for easy assembly and disassembly, then the connection mechanisms become complex, but manufacturing precision and reliability deteriorate

Engineering Contradiction:

Improveassembly easeVSAvoidconnection reliability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The design integrates locking mechanisms directly into the frame connection joints, combining the structural joint and fastening function into a single reliable component that requires minimal tools or steps to secure and disconnect.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The connection system employs self-latching or snap-fit joints that automatically secure when frame sections are joined, providing reliable connections without requiring complex tools or multiple assembly steps, while maintaining ease of disassembly.

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS12434799B1Folding pontoon raft frame

Publication Date: 2025.10.07 CHANEY JOHN

AI summary

A pontoon raft frame made of mirror-image right side and left side tubular sections that are connectable to form a rectangular pontoon raft with a front opening in the raft frame for the seated user's legs to fit. Each tubular section is made of a J shaped assembly hinged to a C shaped assembly, that when connected to form the raft frame, can be placed atop of and strapped to a pair of air bladder pontoons by a set of pontoon cradles extending from the inside and outside of the J and C shaped assemblies. A folding seat is slidingly adjustable along a set of seat rails across the joined C shaped assemblies. The design allows for expansion as the assembled raft frame can be connected with other identical pontoon raft frames in a linear fashion and coupled to longer air bladder pontoons.