Motorcycle Windscreen Mounting Bracket and Stay Assembly
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Solution Overview
Problem
Conventional wind screen mounting systems on vehicles are inefficient for maintenance, requiring significant time to change configurations between vehicles with and without wind screens.
Innovation Solution
A screen device comprising left and right stays joined to brackets on the vehicle, with a wind screen fixed to the stays, utilizing threaded portions and a locking mechanism for secure attachment, allowing easy detachment and reattachment without additional fixing structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the wind screen is integrally formed with the frame member, then the structural strength is improved, but the maintenance efficiency deteriorates
Solution Approach 1:
The wind screen assembly is divided into separate components: the wind screen panel, the stays, and the brackets. The stays are detachably connected to both the wind screen and the brackets, allowing the entire assembly to be easily removed and installed without affecting the vehicle frame structure. This segmentation enables quick maintenance while preserving structural integrity through the bracket- stay- wind screen connection system.
2Reliability
If additional fixing structures are provided for secure attachment, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The bracket and stay are designed as integrated components where the stay inserts into the bracket to form a unified attachment structure. This merging of components provides secure attachment through the插接 mechanism while avoiding the need for separate fixing structures, thereby maintaining structural simplicity and reducing overall device complexity.
3Illumination intensity
If the front ends of fastening portions are directed sideward, then the field of view is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The fastening portions are designed with asymmetric orientation where the front ends are directed sideward rather than forward. This asymmetric configuration optimizes the field of view by preventing obstruction, while the standardized insertable structure of the stays and brackets simplifies manufacturing precision requirements compared to symmetric or forward-directed designs.
Data Source
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AI summary
A screen device includes: a pair of left and right screen support brackets 83, 83 fixed to a motorcycle; a pair of left and right screen stays 101, 101 configured to be joined to the left and right screen support brackets 83, 83; and a wind screen fixed to the left and right screen stays 101, 101, wherein the left and right screen stays 101, 101 and the left and right screen support brackets 83, 83 are joined to each other by inserting either one of the left and right screen stays 101, 101 or the left and right screen support brackets 83, 83 into the corresponding counterpart of the left and right screen stays 101, 101 or the left and right screen support brackets 83, 83, and the left and right screen stays 101, 101 are supported in an inverted chevron shape as viewed in a front view by the left and right screen support brackets 83, 83. There is thus provided a screen device and a vehicle where a wind screen can be easily detachably mounted.