Adjustable Roller Bunk Structure for Torque-Free Hull Support
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Solution Overview
Problem
Existing watercraft trailer systems with stationary roller bunks cannot adjust to different sizes and shapes, leading to torque application and inadequate support for various hull configurations, limiting their versatility and stability.
Innovation Solution
An adjustable roller bunk system with torque prevention brackets that can be slidably attached to trailers, featuring extension members aligned with roller axles to balance the weight of watercraft, eliminating torque and accommodating various hull shapes and sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If stationary roller bunk systems are used on watercraft trailers, then the structure is simple and stable, but the system cannot accommodate different sizes and shapes of watercraft and generates torque due to uneven weight distribution
Solution Approach 1:
The roller bunk system incorporates movable and adjustable components that allow the bunks to be repositioned along the trailer frame and adjusted in angle. This dynamic configuration enables the same trailer to accommodate various watercraft sizes and shapes without generating excessive torque, resolving the contradiction between adaptability and structural simplicity.
Solution Approach 2:
The roller bunk system is divided into modular segments that can be independently adjusted. Each bunk unit can be positioned and angled separately to match the specific hull dimensions of different watercraft, providing versatility while maintaining a relatively simple overall structure through standardization of modular components.
2Stability of the object's composition
If rollers are connected to stationary bunks by rigid arms, then the structure is stable, but torque is applied to the rollers and arms due to watercraft weight
Solution Approach 1:
The connection between rollers and bunks transitions from rigid fixed arms to adjustable mechanical linkages that can pivot and accommodate weight distribution. This dynamic connection reduces torque by allowing the system to adapt to the watercraft's center of gravity, while maintaining stability through controlled mechanical constraints.
Solution Approach 2:
Adjustable linkage mechanisms serve as intermediaries between the roller axles and bunk supports. These linkages include pivot points and adjustment mechanisms that mediate the force transmission, reducing torque by distributing loads more evenly across the trailer structure while maintaining structural stability.
3Adaptability or versatility
If multiple rollers and moving parts are added to adjust to watercraft hulls, then adaptability improves, but device complexity increases significantly
Solution Approach 1:
The roller bunk system employs universal adjustment mechanisms that serve multiple functions: positioning bunks forward/aft, adjusting bunk angles, and accommodating different roller configurations. This multi-functionality reduces the need for numerous specialized parts while maintaining high adaptability to various watercraft hull shapes and sizes.
Solution Approach 2:
The system achieves adaptability through continuous parameter adjustments rather than discrete moving parts. The bunks can be positioned at various locations along the trailer frame and angled at different orientations, providing infinite adjustment possibilities within the mechanical constraints, thereby reducing the need for multiple fixed configurations and complex moving mechanisms.
Data Source
AI summary
An adjustable roller bunk apparatus and system for use with different size watercraft trailers. The roller bunk system can adjust to fit on all size trailers, can also adjust positioning to receive different angled hulls of watercrafts and prevents torque on the roller bunk system generally caused as a result of a force applied by weight of a watercraft on rollers attached to a roller bunk.