Handlebar Operating Device Stabilization via Support Abutment
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Solution Overview
Problem
Existing operating devices for handlebar steered vehicles, such as bicycles, face challenges in stabilizing the operating device on the handlebar, leading to bending forces and requiring a compact profile while maintaining ease of operation and space for additional components.
Innovation Solution
The operating device includes a base member with a support abutment that stably contacts the handlebar, a pivotally coupled operating member, and a handlebar fixing structure with a defined arrangement area, allowing for secure stabilization and compact design, enabling easy operation and space for additional components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the operating device is mounted close to the handlebar for compact profile, then the device size is reduced, but bending forces on the handlebar increase and stability decreases
Solution Approach 1:
A support abutment is introduced as an intermediary element between the operating device and the handlebar. This abutment provides an additional contact point that distributes loads and reduces bending forces on the handlebar, allowing the device to be mounted in a compact position without compromising stability
Solution Approach 2:
The support abutment extends in a direction generally perpendicular to the longitudinal axis of the handlebar, creating a new spatial dimension for support. This dimensional extension allows the abutment to contact the handlebar at a location that provides leverage against bending forces while maintaining a compact overall device profile
2Volume of moving object
If the support abutment is positioned closer to the handlebar receiving area, then the device profile is more compact, but the bending force on the handlebar increases
Solution Approach 1:
The support abutment is oriented to extend in a direction generally perpendicular to the longitudinal axis of the handlebar, utilizing a different spatial dimension to provide support. This orientation allows the abutment to be positioned close to the handlebar receiving area for compactness while still effectively counteracting bending forces through its perpendicular leverage
3Stability of the object's composition
If the operating device is stabilized with respect to the handlebar, then handling stability improves, but the device complexity increases
Solution Approach 1:
The support abutment is integrated with the base member as a single structural element rather than being a separate component. This merging of functions allows the base member to simultaneously provide mounting support and handlebar stabilization, improving handling stability without increasing device complexity
Solution Approach 2:
The base member is designed to serve multiple functions: it provides the mounting structure for the operating member, defines the handlebar arrangement area with the fixing structure, and simultaneously provides stabilization through the integrated support abutment. This multi-functionality reduces the need for additional components
Data Source
AI summary
An operating device for a handlebar steered vehicle is basically provided with a base member, an operating member and a handlebar fixing structure. The base member includes a support abutment arranged to contact an outer surface of a handlebar while the operating device is in an installed state. The operating member is pivotally coupled to the base member about a pivot axis. The handlebar fixing structure is coupled to base member. The handlebar fixing structure defines a handlebar arrangement area extending along a handlebar axis. The support abutment being spaced from the handlebar receiving area of the handlebar fixing structure in a handlebar axis direction parallel to the handlebar axis by an axial width with a range from ten millimeters to thirty millimeters.