Motorcycle Top Case with Nesting Armrest Mounts
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Solution Overview
Problem
Existing top case arrangements for vehicles, such as motorcycles, do not allow for the optional removal or installation of armrests, making them inconvenient for users, especially inexperienced ones, and pose a risk of injury or hindrance when not in use.
Innovation Solution
A top case arrangement with a base support and two linking portions that can be optionally linked to armrests, featuring indentations on the underside to house these linking portions, allowing for easy mounting and dismounting of armrests without affecting the base support's permanent fastening to the vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If armrests are fixed to the vehicle structure, then the top case arrangement provides stable support, but the user cannot optionally remove the armrests when not needed
Solution Approach 1:
The mounting structure is segmented into a base support fixed to the vehicle and separate linking portions that can optionally connect armrests. The base support remains permanently mounted while the linking portions can be attached or detached as needed, enabling optional armrest removal without requiring removal of the entire mounting structure.
Solution Approach 2:
The linking portions act as intermediaries between the base support and armrests. These intermediaries can be selectively connected to provide armrest support when needed and disconnected when armrests are not required, facilitating optional removal while maintaining a simple fixed base support structure.
2Ease of operation
If armrests are permanently fixed to the vehicle, then the structure is stable, but inexperienced users may be unable to remove or install armrests
Solution Approach 1:
By separating the permanently fixed base support from the optionally connectable linking portions and armrests, the system allows inexperienced users to easily attach or remove armrests without affecting the stable base support. The segmented design isolates the complex optional components from the critical fixed structure.
Solution Approach 2:
The linking portions are extracted as separate, optionally attachable components from the permanent base support structure. This extraction allows users to easily remove armrests by simply detaching the linking portions while leaving the reliable base support fixed to the vehicle.
3Ease of operation
If linking portions protrude beyond the top case contour, then armrests can be easily connected, but the linking portions pose a risk of injury or hindrance when not in use
Solution Approach 1:
The linking portions are nested within the top case structure during normal operation. When armrests are not connected, the linking portions are housed inside the top case contour, eliminating the injury risk. When armrests need to be connected, the linking portions can be accessed through openings or by removing protective covers.
Solution Approach 2:
The positioning of linking portions is made dynamic - they can be positioned inside the top case contour when not in use to avoid injury risks, and made accessible when needed for armrest connection. This dynamic positioning resolves the contradiction between safety and ease of operation.
Data Source
AI summary
A top case arrangement for a vehicle, in particular a motorcycle or a motor-cycle like vehicle, and a vehicle having such a top case, are provided. The top case arrangement includes a top-case, and a base support arranged below the top case. The base support connects to the vehicle structure and includes connecting sections for selectively connecting armrests to the base support. The top case includes in the region of the lower side, at least one cavity in which both connecting sections are arranged when the top case is in an installed position on the vehicle.