Straddled Vehicle Footboard With Localized Non-Slip Patterns
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Solution Overview
Problem
Straddled vehicles with flat footboards face challenges in providing a high non-slip effect during driving while allowing smooth getting on and off, as the slit-shaped non-slip patterns on the footboard can catch the rider's feet when entering or exiting the vehicle.
Innovation Solution
A straddled vehicle design featuring a flat footboard with slit-shaped non-slip patterns on the left and right footrest surfaces and embossed patterns on the central surface, which expands in the vehicle width direction, preventing the foot from being caught and ensuring smooth entry and exit, while maintaining a non-slip effect during driving.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If slit-shaped non-slip patterns are provided on the footboard, then non-slip effect during driving is improved, but foot entrapment occurs when getting in and out of the vehicle
Solution Approach 1:
The footboard is divided into different regions with different surface patterns: the left and right footrest surfaces have slit-shaped non-slip patterns for high traction during driving, while the central surface has an embossed pattern that provides moderate non-slip effect without causing foot entrapment. This local differentiation resolves the contradiction by optimizing each region for its specific function.
2Ease of manufacture
If the footboard has a flat shape, then ease of manufacture is improved, but foot entrapment occurs on the central surface when moving feet
Solution Approach 1:
The central surface of the footboard is provided with an embossed pattern that creates a slightly raised surface. This maintains the overall flat shape of the footboard for ease of manufacture while locally modifying the central area to prevent foot entrapment during movement, thus resolving the contradiction between manufacturability and operational ease.
Data Source
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AI summary
A straddled vehicle (1) includes a seat (17), a cover (16), and a footboard (15). The cover (16) is disposed below the seat (17). The footboard (15) is disposed in front of the cover. The footboard (15) has a flat shape across the vehicle width direction. The footboard (15) includes a left footrest surface (23), a right footrest surface (24), and a central surface (25). The left footrest surface (23) has a slit-shaped non-slip pattern. The right footrest surface (24) has a slit-shaped non-slip pattern. The central surface (25) includes a front portion (51) and a rear portion (52). The front portion (51) expands in the vehicle width direction toward the front. The rear portion (52) is disposed behind the front portion (51). The rear portion (52) expands in the vehicle width direction toward the rear. Each of the front portion (51) and the rear portion (52) has an embossed shape with no slit-shaped non-slip pattern.