University of Pittsburgh -Of The Commonwealth System of Higer Education;The United States Government as represented by the Department of Veteran Affairs
发明人:
Rory Alan Cooper,Hongwu Wang,Cheng-Shiu Chung,Jorge Luis Candiotti,Garrett G. Grindle,Jonathan L. Pearlman,Brandon Joseph Daveler
申请号：
US15762594
公开号：
US20200121526A1
申请日:
2016.09.23
申请国别(地区):
US
年份:
2020
代理人:
摘要：
A wheelchair includes a frame, a seat attached to the frame, a first forward wheel on a first side of the frame and a second forward wheel on a second side of the frame, a first rearward wheel on the first side of the frame and a second rearward wheel on the second side of the frame, a first drive wheel on the first side of the frame positioned intermediate between the first forward wheel and the first rearward wheel and a second drive wheel on the second side of the frame positioned intermediate between the second forward wheel and the second rearward wheel, and actuators to independently control the vertical position of the first forward wheel relative to the frame, the vertical position of the second forward wheel relative to the frame, the vertical position of the first rearward wheel relative to the frame, the vertical position of the second rearward wheel relative to the frame, the vertical position of the first drive wheel relative to the frame and the vertical position of the second drive wheel relative to the frame.
