Trailer House Rooftop Deck Structural Framework
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Solution Overview
Problem
Current trailer houses lack utilization of their rooftops as functional decks, which hampers habitability and user satisfaction.
Innovation Solution
A trailer house design that incorporates a rooftop deck with a surrounding peripheral structure, an entrance, and a stronger rooftop framework than the floor framework, allowing for safe and comfortable access between the dwelling structure and the rooftop deck, while adhering to Japanese regulations on size and shape.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the roof of a trailer house is utilized as a rooftop deck, then habitability and user satisfaction are improved, but the structural strength requirement increases
Solution Approach 1:
The patent applies local quality by making the rooftop framework have higher structural strength than the floor framework specifically in the regions where rooftop deck functions are implemented (seating area, barbecue area, sleeping area), while other parts of the trailer house maintain standard structural requirements. This localized strengthening allows rooftop deck utilization without unnecessarily increasing the strength requirements of the entire trailer house structure.
2Ease of operation
If an entrance structure is added to access the rooftop deck, then accessibility is improved, but the device complexity increases
Solution Approach 1:
The patent merges the entrance structure with the existing wall body of the trailer house. The entrance wall is integrated into the side wall structure, and the entrance roof connects with the main roof framework. This merging approach provides accessible entry to the rooftop deck while avoiding the need for separate, complex standalone entrance structures.
3Strength
If the rooftop framework is strengthened to support deck functions, then structural integrity is improved, but the weight of the trailer house increases
Solution Approach 1:
The patent implements local quality by strengthening the rooftop framework only in specific regions where rooftop deck functions are provided (seating, barbecue, and sleeping areas), rather than uniformly strengthening the entire roof structure. The rooftop in-frame structural members are arranged with narrower pitch only in these functional zones, allowing targeted weight addition for structural integrity while minimizing overall weight increase for mobility.
Data Source
AI summary
[Problem] To provide a trailer house the roof of which can be effectively used as a rooftop deck, which trailer house has improved habitability, and which trailer house can satisfy a user's taste to a high level. [Solution] This trailer house is provided with: a dwelling structure provided with a wall body and a roof body positioned on the wall body and fixed to the wall body; and a support structure provided with wheels and a frame body integrated with the dwelling structure. The trailer house is towed to a destination by an automobile, and fixed at the destination to be used, and is characterized in that the roof body is provided with: a planar rooftop deck utilized part; a surrounding part that is positioned outward the peripheral edge of the rooftop deck utilized part; and an entrance for entering or exiting the rooftop deck utilized part from/to the inside of the dwelling structure.