Handlebar Grip Cover With Finger Positioning for Better Control
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Solution Overview
Problem
Human-powered vehicle operating devices lack effective finger positioning mechanisms, leading to reduced operability and comfort for riders.
Innovation Solution
The operating device features a base member with lateral surfaces and positioning portions, including recesses and protuberances, designed to securely position a rider's fingers, enhancing grip and control through a pivotally coupled operating member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional operating devices without positioning mechanisms are used, then the device structure remains simple, but finger positioning reliability and operability deteriorate
Solution Approach 1:
The base member incorporates positioning portions with recesses and protuberances at specific locations where fingers contact the device. These localized structural features provide precise finger positioning only at the necessary contact points, rather than complicating the entire base member structure. This allows reliable finger positioning while maintaining overall structural simplicity.
Solution Approach 2:
The positioning portions are designed with asymmetric configurations where recesses and protuberances are strategically placed to match the natural positioning of rider's fingers (thumb on first lateral surface, index finger on second lateral surface). This asymmetric design optimizes finger placement reliability without requiring symmetric or overly complex structural elements.
2Ease of operation
If positioning portions with recesses and protuberances are added to the base member, then operability and grip control improve, but manufacturing complexity increases
Solution Approach 1:
The positioning portions, including recesses and protuberances, are integrated directly into the base member as unified structural features rather than separate components. This merging of positioning functions into the base member itself eliminates the need for additional manufacturing steps to assemble separate positioning elements, thereby improving operability without significantly increasing manufacturing complexity.
3Stability of the object's composition
If the first positioning portion and second positioning portion are positioned to overlap when viewed along the pivot axis, then hand grip stability improves, but the device occupies more spatial volume
Solution Approach 1:
The first positioning portion and second positioning portion are arranged in different spatial dimensions relative to the pivot axis. When viewed along the pivot axis, their projections overlap, creating the appearance of occupying the same space. However, in three-dimensional reality, they are positioned at different locations, allowing stable hand grip without significantly increasing the base member's actual volume.
Data Source
AI summary
An operating device comprises a base member and an operating member. The base member includes a first end portion, a second end portion, and a grip portion. The first end portion is configured to be coupled to a handlebar. The second end portion is opposite to the first end portion. The grip portion is provided between the first end portion and the second end portion. The operating member is pivotally coupled to the base member about a pivot axis. The base member includes a first lateral surface, a second lateral surface, and a first positioning portion. The second lateral surface is provided on a reverse side of the first lateral surface in a pivot axis direction parallel to the pivot axis. The first positioning portion is provided on the first lateral surface. The first positioning portion is configured to position a rider's finger.