Motorcycle Wind Screen Elevating Device Using Front-Back Rails
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Solution Overview
Problem
Existing wind screen position adjusters for motorcycles require a large number of parts and a complex driving mechanism, making it difficult to design a compact layout and stabilize the wind screen while allowing for sufficient movement.
Innovation Solution
A wind screen elevating device for motorcycles that uses a pair of rails extending in the front-back direction, with sliders and support members that overlap the meter in a side view, reducing the number of parts and allowing for stable wind screen support and adequate movement range without interfering with other components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the sliders each include a plurality of sliding members, then the support members are supported by the sliders in a stable state, but the rails must be prolonged which may interfere with other components
Solution Approach 1:
The patent positions the rails in the front-back direction of the vehicle, utilizing the depth dimension rather than extending them laterally. This allows the rails to achieve sufficient length for stable support without increasing the vehicle's width or interfering with side components. The rails extend from the front cowl toward the rider, using the available front-back space efficiently.
Solution Approach 2:
The patent integrates the rail system within the existing vehicle structure, nesting the rails between the front cowl and the rider position. The rails are positioned to overlap the meter in side view, utilizing the space already defined by the vehicle's front assembly and instrument panel, thereby avoiding interference with external components.
2Ease of operation
If the rails are extended to provide sufficient movement range, then the wind screen can be elevated/lowered adequately, but the rails may interfere with other components
Solution Approach 1:
The patent achieves sufficient wind screen movement range by extending the rails in the front-back direction (depth dimension) rather than laterally. This allows the sliders to travel a adequate distance for full elevation and lowering of the wind screen without the rails protruding into side spaces where other components are located.
Solution Approach 2:
The wind screen elevation mechanism is divided into discrete components: rails, sliders with multiple sliding members, and support members. This segmentation allows each component to be optimized independently - the rails provide guided motion in the front-back direction, the sliders enable smooth translation, and the support members carry the wind screen load, achieving full movement range without component interference.
3Adaptability or versatility
If a conventional wind screen position adjuster is used, then the wind screen can be adjusted, but a large number of parts and complicated driving mechanism are required
Solution Approach 1:
The patent combines multiple functions into integrated components. The sliders serve both as support elements and as the moving mechanism for elevation. The coupling member integrates the support members and provides the wind screen mounting point. This merging reduces the total part count compared to conventional systems that separate guide rails, support brackets, and actuation mechanisms into distinct components.
Solution Approach 2:
The sliders perform multiple functions: they guide the motion of the support members along the rails, provide structural support for the wind screen through the coupling member, and enable both elevation and lowering movements. This multi-functionality reduces the need for separate components for each function, simplifying the overall mechanism.
Data Source
AI summary
A saddle riding type vehicle including a wind screen elevating device that can support a wind screen in a stable manner is provided. The saddle riding type vehicle includes a meter, a wind screen provided in front of the meter, and a wind screen elevating device that elevates/lowers the wind screen. The wind screen elevating device includes a pair of rails, a pair of sliders, a pair of support members, and a coupling member. The coupling member couples the pair of support members. The coupling member supports the wind screen. The slider includes a plurality of sliding members. The plurality of sliding members is provided side by side in an extending direction of each of the rails. Each of the rails at least partly overlaps the meter in a side view of the vehicle.