Marcus G. Hays,Scott Streeter,Gary Leo,Richard Rice,Benjamin Lorimore
申请号：
US15146723
公开号：
US09849047B2
申请日:
2016.05.04
申请国别(地区):
US
年份:
2017
代理人:
摘要：
The present disclosure may relate to a wheelchair that includes a first centerless wheel assembly including a drive roller guide assembly and three other roller guides, and a first drive mechanism coupled to the first drive roller guide assembly to drive the first centerless wheel assembly. The wheelchair may also include a second centerless wheel assembly including a drive roller guide assembly and three additional roller guides, and a second drive mechanism coupled to the second drive roller guide assembly to drive the second centerless wheel assembly.
