Motorcycle Drop Seat Sub-Frame for Lower Seating
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Solution Overview
Problem
Conventional motorcycle seats position operational components in a large cavity under the seat, limiting the potential for a lower seating option that maintains safe footing and efficient component arrangement.
Innovation Solution
A sub-frame configuration with a drop seat design that repositions and secures operational components within a smaller cavity, using a specially designed sub-frame portion attached to the main frame, allowing for a lower seating area while maintaining component functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a conventional motorcycle seat is used, then the seating area is positioned at a standard height, but the cavity under the seat becomes large, limiting the potential for a lower seating option
Solution Approach 1:
The body frame is divided into a main frame and a separate sub-frame portion. The sub-frame is configured to receive and secure the drop seat, while the main frame houses operational components. This segmentation allows the seat to be positioned lower without compromising component arrangement, as components are distributed between the main frame and sub-frame structures.
Solution Approach 2:
The sub-frame portion extends downward from the main frame, creating a lower seating plane while maintaining component functionality. By utilizing the vertical dimension and creating a multi-level frame structure, the invention achieves a lower seat position without sacrificing the space needed for operational components.
2Reliability
If the seating area is lowered to provide safe footing, then rider safety is improved, but the spatial arrangement of operational components becomes more difficult
Solution Approach 1:
The frame is segmented into main frame and sub-frame portions, with the sub-frame specifically designed to accommodate the drop seat at a lower height. This segmentation allows operational components to be strategically positioned in the main frame while the seat occupies the lower sub-frame area, maintaining both safety and component accessibility.
Solution Approach 2:
The sub-frame acts as an intermediary structure between the main frame and the drop seat. It provides a platform for the lower seating position while maintaining structural connection to the main frame, thereby enabling safe footing without complicating the overall component arrangement.
Data Source
AI summary
A sub-frame and component configuration for mounting on a motorcycle include a body frame structure including a main frame portion; and a sub-frame portion, he sub-frame is fixedly secured to the main frame portion and is configured for receiving and securing thereon a drop seat providing a rider with a seating area that is relatively closer to the ground than the seating area of a conventional motorcycle seat. A method of mounting the sub-frame on a motorcycle includes: fixedly securing a drop seat sub-frame portion onto a main frame portion, wherein the drop seat sub-frame portion is configured for receiving and securing thereon a drop seat.