WILLIAMS, CALVIN JOHN LLEWELYN,DAVIES, PAUL HOWARD
申请号：
CA2961140
公开号：
CA2961140A1
申请日:
2015.09.18
申请国别(地区):
CA
年份:
2016
代理人:
摘要：
A human-propellable vehicle is described and comprises a chassis and a roller assembly mounted at or towards the rear of the chassis. The roller assembly is positioned to engage with a wheel of a second vehicle to permit the second vehicle to push the human-propellable vehicle.
