Roller Coaster Car Coupling Mechanism for 360-Degree Articulation
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Solution Overview
Problem
Existing roller coaster cars experience limited articulation due to external coupling arms, which restrict their movement and create a less immersive ride experience.
Innovation Solution
A roller coaster car design featuring a chassis with track wheel assemblies only at the back end and a coupling arm that secures to the lead car or another car, allowing for enhanced articulation by eliminating front track wheel assemblies and enabling a full 360° range of motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If front track wheel assemblies are installed on secondary cars, then front-end support is provided, but articulation of the secondary car is minimized
Solution Approach 1:
The patent removes the front track wheel assembly from secondary cars, extracting only the necessary support function. This allows the coupling arm to become an internal connection rather than external, enabling the secondary car to articulate freely while maintaining rear support through the coupling mechanism.
Solution Approach 2:
Instead of supporting the secondary car from the front with wheel assemblies, the patent inverts the support approach by using the coupling arm at the rear to provide both connection and support functions. This internal coupling configuration enables articulation while maintaining structural support.
2Reliability
If coupling arm is externally connected at drawheads, then connection between cars is achieved, but articulation is restricted
Solution Approach 1:
The patent segments the coupling function by separating the connection role from the support role. The coupling arm is internally mounted and connects to the lead car through a receiver, allowing independent optimization of connection stability and articulation freedom without the constraints of external drawhead mounting.
Solution Approach 2:
The patent changes the mounting dimension of the coupling arm from external (at the rear drawhead) to internal (within the car structure). This dimensional shift allows the coupling arm to pivot freely within the car's interior space, enabling 360-degree articulation while maintaining secure connection to the lead car.
3Adaptability or versatility
If front track wheel assemblies are removed from secondary cars, then articulation is enhanced, but front-end support is reduced
Solution Approach 1:
The coupling arm is designed to perform multiple functions: it provides the primary support function previously handled by front wheel assemblies, enables articulation, and maintains connection between cars. This multi-functional design eliminates the need for separate front wheel assemblies while preserving both support and movement capabilities.
Data Source
AI summary
An apparatus and method for creating enhanced articulation in a roller coaster car. The apparatus and method involve a single seat roller coaster car that has only back track wheel assemblies secured to its chassis. The front end of the chassis has a coupling arm fixedly secured at one arm end. The other arm end includes a rod end that is received within the chassis of a lead car, or another roller coaster car. This lead car, or this other roller “secondary” coaster car, has a receiver to which the rod end from the coupling arm of the roller coaster car is attached. This coupling configuration, in combination with the omission of any front track wheel assemblies on the roller coaster car, allows the roller coaster car to articulate through a solid angle in 360° in an x-y plane. The rod end/receiver coupling is located underneath the seat of either the lead car or another secondary roller coaster car, thereby forming a “coupling compartment”. Removing the seat cushion provides access to this coupling compartment.