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Indian Institute of Technology (IIT) Roorkee 
A modular accessory for the mobility enhancement of manual wheel chairs by motorizing the manual wheelchair 
Akshay Dvivedi , Vaibhav Agarwal and Aditya Peshin 
Indian Institute of Technology (IIT) Roorkee 
Application type:
Applied - 2020-05-09 
Application Number:
Applied at:
Entered by:
Indian Institute of Technology (IIT) Roorkee 
The present invention relates to a modular accessory for the mobility enhancement of manual wheel chairs by motorizing the manual wheelchair. A 20 modular accessory for manual wheelchairs has been devised to motorize a manual wheelchair, with engaging/disengaging mechanisms to facilitate easy installation and removal of the accessory. The accessory employs a torque enhancing mechanism that allows the usage of a low-torque rated motor. The accessory can easily fit to various models of commercially available wheelchairs. The modular 25 accessory has an intuitive control mechanism and is non-intrusive. - 13 - [035] The system can be attached to manual wheelchairs to convert them into an electric wheelchair. In order to enhance ease of use, this accessory provides a driving torque to the wheels, allowing for the user to move their wheelchairs without exerting themselves. The user can install the device without any 5 mechanical alterations to the existing wheelchair. Its low volume enables the user to work uninhibited even in cramped environments. 

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