Four-Arch Roll Cage Layout for Space-Efficient Vehicle Seating
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Solution Overview
Problem
Existing roll cages for vehicles with ladder-type chassis require significant space and do not allow for flexible configuration to accommodate different objects or features, failing to meet safety requirements and space efficiency.
Innovation Solution
A roll cage kit comprising four arches and multiple crossbars, arranged in a specific configuration, which can be easily attached to the chassis, creating spaces for seats and aisles while minimizing longitudinal distance, allowing for adaptable and strong structural reinforcement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional roll cages with two arches per row are used, then safety requirements are met, but longitudinal space is excessively consumed
Solution Approach 1:
The roll cage is divided into four separate arches arranged consecutively along the longitudinal axis, with each arch serving as an independent safety structure. This segmentation allows for optimized spacing and positioning, reducing the total longitudinal footprint while maintaining safety coverage across both rows of seats
Solution Approach 2:
The invention transitions from a traditional two-arch configuration to a four-arch configuration arranged in a compact longitudinal sequence. By redistributing the safety function across more arches with reduced spacing, the design achieves the same safety coverage in a shorter longitudinal dimension
2Reliability
If traditional roll cage configurations are used, then safety coverage is provided, but flexibility for different body configurations is limited
Solution Approach 1:
The four-arch configuration serves multiple functions: providing safety coverage for two rows of seats, creating defined aisles between rows, and enabling flexible body configurations. The standardized arch design can accommodate different body types (enclosed cabins, open boxes, refrigerated units) while maintaining safety requirements
Solution Approach 2:
The roll cage design enables dynamic reconfiguration of vehicle bodies by providing a standardized, modular arch structure that can accommodate various body configurations. The consecutive arch arrangement allows for flexible positioning of seats and aisles according to different operational needs
3Length of moving object
If more arches are added to reduce longitudinal space, then space efficiency improves, but structural complexity increases
Solution Approach 1:
Each of the four arches is designed with consistent local characteristics (lateral sections, upper sections, crossbars, transversal bars), creating a modular pattern that simplifies manufacturing and assembly. The repetition of standardized components reduces overall structural complexity despite the increased number of arches
Data Source
AI summary
Roll cage kit for motor vehicles with either a self-supporting or ladder-type chassis comprising: four closed arches arranged parallel to each other, lower longitudinal crossbars, upper longitudinal crossbars, transversal crossbars and intermediate sections, such that some intermediate sections can support a row of seats, forming a sturdy and easily adaptable structure. The motor vehicle with a chassis, whether self-supporting or ladder-type, is equipped with the kit, which can be configured in different ways to provide space for passengers and for transporting objects.