Boat Hitch Docking System with Cam Latching
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Solution Overview
Problem
Current boat mooring systems require manual intervention and are not flexible, as they necessitate the installation of costly docks and do not allow for secure, rapid, and automatic docking or mooring processes.
Innovation Solution
A docking system featuring a horizontal shaft mounted on a structure and a hitch with a latching mechanism that includes a rotatable cam with an eccentric peripheral surface, allowing for automatic connection and secure interlocking with the shaft, enabling flexible docking on any structure or landform, including the boat itself as a floating dock.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual ropes or cables are used for mooring, then the system is simple in structure, but the docking process is time-consuming and requires manual intervention
Solution Approach 1:
The hitch assembly automatically latches onto the shaft when the boat is pushed forward, eliminating the need for manual connection. The cam mechanism self-activates during the docking process, allowing the system to service itself without human intervention.
Solution Approach 2:
The patent replaces manual mechanical operations (tying ropes) with an automated mechanical system (cam-based latching mechanism) that performs the docking function automatically when the boat approaches the structure.
2Reliability
If traditional docks are installed for docking, then secure mooring is achieved, but the cost and complexity of the system increases
Solution Approach 1:
The shaft can be mounted on any structure or landform adjacent to water, making the system universally applicable. The hitch assembly works with various boat types and docking locations, eliminating the need for specialized dock installations.
Solution Approach 2:
The patent replaces expensive, permanent dock installations with a simpler, more affordable shaft-and-hitch system that achieves the same mooring function without requiring costly infrastructure.
3Reliability
If a latching system with cam mechanism is used, then secure interconnection is achieved, but the device complexity increases
Solution Approach 1:
The cam mechanism features an asymmetric profile with a steep locking surface and a gradual release surface, enabling automatic latching in one direction while allowing easy release in the opposite direction through the release tool.
Solution Approach 2:
The cam mechanism transitions from a static connection to a dynamic one, where the cam can rotate to lock or unlock the hitch. This dynamic capability provides secure connection during docking while allowing controlled release when needed.
4Stability of the object's composition
If the shaft is fixed rigidly to the structure, then stable docking is achieved, but the system loses flexibility in water level variations
Solution Approach 1:
The shaft is mounted to allow limited movement (up to 2 inches) in response to water level changes and boat movement, providing dynamic adaptation while maintaining stable docking through the rigid shaft-hitch connection.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enables rapid, secure, and simplified boat docking or mooring by eliminating manual connection and allowing any structure to serve as a docking location, providing flexibility and potentially eliminating the need for costly docks.
Implementation Method 1
A latching system includes at least one cam that is rotatable about an axis and defines a peripheral surface. The peripheral surface includes a segment that is eccentric relative to the axis and that is positioned to contact the shaft when the shaft is engaged in the terminal end.
Data Source
AI summary
A docking or mooring system for a boat includes a horizontal shaft mounted with respect to a structure at which docking the boat may be desired. The system also includes at least one hitch mounted forward of the bow of a boat and defining a tapering recess configured to receive the shaft. The shaft is spring biased at a predetermined height but is selectively movable vertically. The hitch includes a latching mechanism with cams that automatically engage the shaft using the forward motion of the boat.