Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 9, issue 2
Articles | Volume 9, issue 2
https://doi.org/10.5194/ms-9-359-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-9-359-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 9, issue 2
Research article
 | 
08 Nov 2018
Research article |  | 08 Nov 2018

A new manual wheelchair propulsion system with self-locking capability on ramps

Gaspar Rodríguez Jiménez, David Rodríguez Salgado, Francisco Javier Alonso, and José María del Castillo

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Latest update: 28 Oct 2025
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Short summary
The present work describes the design and build of a new completely mechanical propulsion system for manual wheelchairs for use in ascending or descending long ramps. The design is characterized by a self-locking mechanism that activates automatically to brake the chair when the user stops pushing. The main component of the propulsion system is a planetary gear train that can self-lock, this means that the user does not need to activate external brakes.
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