Dive Door Ladder Storage for Marine Vessels
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Solution Overview
Problem
Marine vessels lack designated storage spaces for removable swimming ladders, leading to snagging hazards and visual unappeal, and existing retaining mechanisms are often inadequate.
Innovation Solution
A dedicated storage pocket is integrated into the dive door of a marine vessel, equipped with a retaining mechanism that includes a key and keyhole aperture, cleats, and a cover to securely store and retrieve the ladder.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a removable swimming ladder is stored on a marine vessel, then the ladder is available for use, but it creates snagging hazards and visual unappeal
Solution Approach 1:
The ladder is nested within a storage pocket integrated into the dive door structure. The storage pocket accommodates the ladder in a retracted position, allowing the ladder to be stored safely within the vessel's structure rather than externally, thereby eliminating snagging hazards while maintaining accessibility when needed.
2Object-affected harmful factors
If a storage space for the ladder is provided, then the ladder is safely stored, but the structure becomes more complex
Solution Approach 1:
The storage pocket is merged with the dive door structure, integrating the storage function into an existing structural component. This combination approach allows the storage space to be created without adding separate, complex storage structures, as the dive door itself serves dual purposes: providing access to the vessel interior and housing the ladder storage.
3Reliability
If a retaining mechanism is added to secure the ladder, then the ladder is securely stored, but the device complexity increases
Solution Approach 1:
The retaining mechanism utilizes the natural geometry of the storage pocket and the ladder's own structure to provide retention. The storage pocket's shaped opening and the ladder's configuration allow the ladder to be secured through its inherent form rather than requiring complex external fastening systems, achieving reliable retention with minimal additional complexity.
Data Source
AI summary
A marine vessel is for operating in a body of water. The marine vessel has a hull having a deck and a sidewall extending vertically upwardly relative to the deck, wherein together the sidewall and deck define an interior of the marine vessel. A dive door is pivotable about a vertical pivot axis into and between an open position opening a doorway through which a swimmer can exit the interior of the marine vessel and a closed position closing the doorway. A storage pocket is formed in an inside surface of the dive door facing the interior of the marine vessel. A retaining mechanism facilitates storage in and removal of a ladder from the storage pocket, the ladder being for enabling a swimmer to climb into or out of the body of water via the doorway when the dive door is in the open position.