Gear-changing device and associated mobility device.
A simplified gear-changing device for mobility devices uses a selection shaft, shuttle, and elastic blades to reduce parts, addressing complexity and cost issues in existing gear-changing systems, improving assembly and reducing costs.
FR3154696B1Active Publication Date: 2026-08-07VALEO EMBRAYAGES SAS
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Patent Information
- Application Number
- FR2023011612
- Authority / Receiving Office
- FR · FR
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2023-10-25
- Publication Date
- 2026-08-07
- Estimated Expiration
- 2043-10-25
AI Technical Summary
Technical Problem
Existing gear-changing devices for mobility devices, such as bicycles, are complex and costly due to their numerous components, complicating manufacture and assembly.
Method used
A simplified gear-changing device with a selection shaft, shuttle, worm gear, and elastic blades, along with a gear-change actuator and pawls, reduces the number of parts by using a shuttle with elastic blades and a locking system to engage selected gears.
Benefits of technology
The solution simplifies the gear-changing mechanism, reducing the number of parts and manufacturing costs while maintaining functionality, thus enhancing assembly efficiency and cost-effectiveness.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to a gear-changing device for a mobility device comprising: a selector shaft in which a shuttle (41) and a means for moving the shuttle (41) are disposed; a gear-changing actuator arranged to move the shuttle (41) along the means of movement between at least two positions and to engage a selected gear; the shuttle comprising at least two means for selecting a gear, the selection means each being formed by an elastic blade (412, 413, 414). Figure to be published with the abbreviation: 5
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