CUSON, ROBERT, L.,BEKOSCKE, ROBERT, A.,STOTHARD, DANIEL, J.
申请号:
EP10822726
公开号:
EP2485698A4
申请日:
2010.10.08
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
The invention relates to wheeled vehicles, such as wheelchairs (1700), that are adapted to traverse obstacles (300). The wheeled vehicles include a frame (102), first and second drive assemblies (130) that each include a drive wheel (132), first and second suspension assemblies (1706) that each include an anti-tip linkage (1711) and a shock absorber (172) with a spring return, first and second front anti-tip wheels (120) positioned forward of the drive wheels by the first and second anti-tip pivot arms (1790), first and second rear anti-tip wheels (108) positioned rearward of the drive wheels by the first and second anti-tip pivot arms (1734).