Saddle-ride Vehicle Step Structure with Eccentric Collar Adjustment
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Solution Overview
Problem
Existing step structures for saddle-ride vehicles require complex procedures to adjust the position and angle of the step, involving multiple fastening and unfastening of different members, which complicates the process.
Innovation Solution
A step structure featuring a rotor retained by a bracket with clamp members and a fastening mechanism that allows the rotor to be non-rotatably fixed and unfixed by a single fastening member, enabling easy adjustment of the step's position and angle, along with a support shaft system that restricts movement and facilitates rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple fastening members are used to fix the rotor and step separately, then the fixing reliability is improved, but the operation complexity increases
Solution Approach 1:
The patent combines the rotor fixing function and step fixing function into a single integrated fastening member. The fastening member simultaneously secures the rotor to the bracket and the step to the rotor, eliminating the need for separate fastening operations. This merging maintains reliable fixing while significantly simplifying the adjustment procedure to a single fastening/unfastening action.
Solution Approach 2:
The fastening member is designed with multi-functionality, serving both to secure the rotor in place and to secure the step to the rotor. This universal component performs multiple fastening functions that were previously divided between separate members, allowing a single operation to control both fixing requirements and improve operational ease.
2Adaptability or versatility
If the step position is adjusted by rotating the rotor, then the position adaptability is improved, but the operation complexity increases due to angle adjustment
Solution Approach 1:
The patent segments the adjustment function into two independent rotational movements: rotor rotation for position adjustment and step rotation for angle adjustment. This segmentation allows each degree of freedom to be controlled independently, maintaining full adaptability while simplifying the operation sequence by allowing position to be set first, then angle, without coupled adjustments.
Solution Approach 2:
The design enables dynamic adjustment through controlled rotation - the rotor can be rotated to achieve desired step position, and the step itself can be rotated around the support shaft to achieve desired angle. This dynamic capability provides full adaptability for both position and orientation while maintaining operational simplicity through sequential independent adjustments.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution simplifies the adjustment process by allowing both position and angle changes with a single fastening member, reduces the complexity of the chuck mechanism, and enhances the structure's reliability and cost-effectiveness.
Implementation Method 1
the bracket is elastically deformed in a direction where the cut edges on both the sides in the cutting position are separated from each other
Data Source
AI summary
A step structure of a saddle-ride type vehicle is configured to permit easy adjustment of a position and also of an angle of a step. A pair of opposed clamp pieces, that are formed as part of a step-support bracket provided to a vehicle body of a saddle-ride vehicle, are provided to sandwich an eccentric collar (rotor) from both sides thereof in a radial direction. The clamp pieces are configured to be tightened against the eccentric collar by a bolt, thereby non-rotatably fixing a position of the eccentric collar. The eccentric collar is configured such that when the clamp pieces are loosened, a shaft part of a step is pivotally movable in relation to a shaft insertion hole, and the step, supported by the shaft insertion part, can be adjustably rotated in relation to the step-support bracket.