Electric wheelchair has aluminum or aluminum alloy chassis fitted with steered and driven wheels and supporting seat and electric storage batteries

摘要

The wheelchair has a self-propelled monolithic chassis (10) of aluminum or an aluminum alloy, having 4 spring-mounted struts (20,30) fitted with respective wheels (25,35), e.g. a pair of steered wheels and a pair of driven wheels and supporting a seat (50), attached to the chassis via a quick-fit coupling and one or more electric storage batteries (70), mounted symmetrical to the wheelchair longitudinal axis.