Motorcycle Tail Light with Adjustable Support Stay
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Solution Overview
Problem
Conventional motorcycle tail light devices require separate tail light and license light bulbs, increasing manufacturing costs and necessitating larger sizes due to the need for adjustable components to accommodate varying license plate attachment angles across different countries.
Innovation Solution
A motorcycle tail light device with a single tail light bulb that uses a tail light support stay with multiple engagement members to adjust its position relative to the license plate in the vehicle longitudinal direction, allowing secure irradiation without the need for specific attachment parts for each country, utilizing concave-convex engagement mechanisms for secure and compact design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate tail light bulb and license light bulb are individually provided, then the irradiation range can be adjusted for different countries, but the manufacturing cost increases
Solution Approach 1:
The patent combines the tail light bulb and license light bulb into a single integrated light source. The single bulb serves dual purposes: illuminating both the rear road (tail light function) and the license plate (license light function). This eliminates the need for separate bulbs, reducing manufacturing costs while maintaining adaptability through the adjustable support stay mechanism.
Solution Approach 2:
The single tail light bulb is designed to perform multiple functions simultaneously - acting as both the tail light for road illumination and the license light for plate illumination. This multi-functional approach replaces the conventional separate bulb system, reducing component count and manufacturing complexity while maintaining compliance with different country regulations through positional adjustment.
2Adaptability or versatility
If separate tail light bulb and license light bulb are individually provided, then the irradiation range can be adjusted, but the device size increases
Solution Approach 1:
By merging the tail light and license light into a single bulb assembly, the patent significantly reduces the overall device volume. The integrated design eliminates the space required for housing two separate bulbs and their respective mounting structures, resulting in a more compact tail light device that maintains adjustability through the support stay mechanism.
3Ease of manufacture
If one bulb is used as both tail light and license light, then manufacturing cost is reduced, but the tail light attachment part shape must be changed for each destination
Solution Approach 1:
The patent introduces a dynamic adjustment mechanism - the tail light support stay with multiple engagement positions - that allows the single bulb assembly to be positioned at different angles and distances relative to the license plate. This dynamic positioning capability enables the same attachment part to accommodate different country specifications without requiring shape changes, maintaining both manufacturing efficiency and international adaptability.
Solution Approach 2:
The support stay is segmented into multiple engagement positions along its length, allowing selective engagement at different positions to achieve the required irradiation angles for various countries. This segmentation enables a single standardized attachment part to serve multiple destinations by simply changing the engagement position rather than the part shape.
4Volume of moving object
If the tail light device is made compact, then device size is reduced, but the adjustment range for license plate irradiation is limited
Solution Approach 1:
The patent employs a dynamic support stay mechanism with multiple engagement positions that maximizes the adjustment range within a compact device envelope. By allowing the support stay to engage at different positions and angles, the system achieves comprehensive irradiation coverage for various license plate configurations without requiring a large device volume, effectively decoupling compactness from adjustment capability.
Data Source
AI summary
A motorcycle tail light device can have a plurality of front engagement members, provided in a front part of a tail light support stay, that enable movement of a support position of a tail light device 50 in a vehicle longitudinal direction. A plurality of rear engagement members can be, provided in a rear part of the tail light support stay, to enable movement of the support position of the tail light device in the vehicle longitudinal direction. A front engaged member can be provided in a front part of the tail light device, engaged with any one of the plurality of front engagement members. A rear engaged member can be provided in a rear part of the tail light device, engaged with any one of the plurality of rear engagement members.