Original document(12 pages)  中文版
    An apparatus for propelling the wheelchair that prevents a backward movement and helps the occupant rotate the wheel with less manual torque. The invention makes it possible for the disabled person to climb the sloped road with less manual force and without fear of dangerous backward slide.
Application Number
申请号		 01802442 Application Date
申请日		 2001.08.13
Title 名称 Apparatus for propelling a wheelchair
Publication Number
公开号		 1388753 Publication Date
公开日		 2003.01.01
Approval Pub. Date Granted Pub. Date
International Classification 分类号 A61G5/10
Applicant(s) Name
申请人		 Choi Dong-Sun
Address 地址
Inventor(s) Name 发明人 Choi Dong-Sun
Attorney & Agent 代理人 wang huaqiang
More information 更  多  信  息


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