Collapsible Marine Railing Height Reduction
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Solution Overview
Problem
The standard railing height of at least 34 inches on upper decks of marine vessels poses a challenge for fitting into typical boathouses or storage facilities due to the increased clearance requirements.
Innovation Solution
A collapsible rail system with pivotable and foldable design, utilizing a combination of floor hinges, actuators, and locking mechanisms to reduce the overall height when not in use, allowing the marine vessel to fit into smaller storage spaces while maintaining safety standards when in use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If standard railing height of at least 34 inches is maintained, then passenger safety is ensured, but the marine vessel cannot fit into typical boathouses or storage facilities
Solution Approach 1:
The rail system is designed to be dynamically adjustable between a raised position (providing safety) and a lowered position (enabling storage). The rails can be pivoted between vertical and horizontal orientations using floor hinges, allowing the system to adapt to different operational states.
Solution Approach 2:
When lowered, the rail sections are configured to nest within or adjacent to each other, with intermediate rails positioned between folding side rails and front rails. This nesting arrangement minimizes the overall height and footprint of the rail system when not in use.
2Length of moving object
If collapsible rail system is designed to lower height, then storage space requirements are reduced, but the complexity of the rail system increases
Solution Approach 1:
The rail system is divided into multiple independent segments including front rails, folding side rails, intermediate rails, and stationary rails. Each segment can be independently pivoted or positioned, allowing the system to achieve compact configuration while maintaining structural integrity through modular design.
Solution Approach 2:
The system employs floor hinges and actuators to enable dynamic movement of rail sections between raised and lowered positions. The locking mechanism provides static stability when in position, while the hinged connections allow dynamic transitions, creating a system that is both movable and stable.
3Length of moving object
If folding side rails are used to reduce height, then the marine vessel can fit into smaller storage spaces, but the structural stability of the railing may be compromised
Solution Approach 1:
The folding side rails are designed with floor hinges that allow controlled pivoting motion. When raised to the vertical position, the rails achieve structural stability for passenger safety. When lowered, they pivot to a horizontal position adjacent to the deck, maintaining stability in both extreme positions while enabling height reduction during storage.
Solution Approach 2:
The lock system is engaged in advance to secure the folding side rails in the raised position before passengers board or when safety is required. This preliminary locking action ensures structural stability is established before use, and the rails can be safely lowered only when not needed.
Data Source
AI summary
A rail system for a marine vessel having an upper deck. The rail system has a set of forward rails that encloses a portion of the upper deck, where the set of forward rails includes a front rail and folding side rails. The set of forward rails is pivotable between an up position and a down position. A plurality of floor hinges pivotally couple the folding side rails to the upper deck. The set of forward rails has an up height when in the up position and a down height when in the down position that is lower than the up height.