Selective Rotation Mechanism for Compact Bicycle Handlebar Storage
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Solution Overview
Problem
Bicycles and similar vehicles face challenges in compact storage and handling due to their wide handlebars, which occupy significant space and make them difficult to secure or maneuver in dense urban areas.
Innovation Solution
An engagement device that allows the handlebar to be selectively rotated and vertically repositioned, using a clamp assembly to secure it in place, reducing the overall cubic volume and enabling easier storage and handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the handlebar is kept in a fixed horizontal position for normal operation, then the vehicle is stable and easy to control, but the vehicle occupies excessive storage space and is difficult to maneuver in narrow spaces
Solution Approach 1:
The handlebar assembly is designed to be dynamically reconfigurable between a horizontal riding position and a vertical storage position. The engagement device allows the handlebar to rotate 90 degrees from its normal horizontal orientation to a vertical orientation for compact storage, resolving the contradiction between operational stability and storage compactness.
Solution Approach 2:
The handlebar system is divided into separable components: the handlebar itself, the first elongated portion, and the second elongated portion. This segmentation allows the handlebar to be independently repositioned relative to the vehicle frame, enabling the transition from horizontal to vertical orientation for compact storage while maintaining ease of operation during riding.
2Stability of the object's composition
If the handlebar is made wide for stable vehicle control, then the vehicle is easier to steer, but the vehicle becomes difficult to store and lock securely beside other vehicles
Solution Approach 1:
The handlebar width is dynamically adjusted by rotating the entire handlebar assembly 90 degrees. During riding, the handlebar maintains its full horizontal width for stable control. During storage, the handlebar rotates to a vertical position, reducing the horizontal storage footprint while preserving the original handlebar width and control stability when in use.
3Reliability
If the handlebar is kept in fixed position for secure locking, then the vehicle can be locked reliably, but the vehicle cannot be compacted for portable storage
Solution Approach 1:
The locking mechanism is designed to secure the handlebar in both its horizontal riding position and vertical storage position. The engagement device provides reliable locking in the horizontal position for secure parking, and enables rotation to vertical position for compact storage, maintaining reliability throughout the transformation cycle.
Solution Approach 2:
The locking system is segmented into multiple engagement points that can secure different configurations of the handlebar assembly. This allows the same locking mechanism to provide reliable security whether the handlebar is in the horizontal riding position or the vertical storage position.
Data Source
AI summary
Apparatus is for, or is included with, a vehicle having a vehicular handlebar, and also having first and second pipe portions. The first elongated portion is configured to receive and support a vehicular handlebar, and to be slidably received, at least in part, in the second elongated portion. An engagement device is configured to selectively engage the first and second pipe portions with each other. The engagement device, in use, prevents the first and second pipe portions from rotating relative to each other. The engagement device is also configured to selectively disengage the first and second pipe portions from each other. The engagement device, in use, permits the first and second pipe portions to rotate relative to each other. A clamp assembly is configured to selectively clamp the first elongated portion and the second elongated portion with each other.