C KARUNAKARAN,K SRIPRIYAN,LEVISE RAPHY,M SANDEEP,M NARASIMHARAO,SANOJ JACOB P D
申请号：
IN5332/CHE/2012
公开号：
IN2012CH05332A
申请日:
2012.12.20
申请国别(地区):
IN
年份:
2014
代理人:
摘要：
This invention provides a wheelchair for users which can climb stairs without any hassles. It is fitted with a specially designed spoke mechanism, chain sprocket assembly and a balancing system. When the wheelchair is climbing the steps the retractable spokes are open and in contact with the stairs. The new design is useful and efficient for any person who needs to use such a mechanism. Keywords: retractable spoke, chain sprocket, gears.
