Hi SJ
Your best bet would be the so called Krankenmoblienmagazin( they rent and sell all kind of things people will a handicap etc need)
Krankenmobilienmagazin Zürich-Hard
Ladenlokal
Seebahnstr. 185, 8004 Zürich/ZH
*044 242 31 60 <H5>Krankenmobilienmagazin Zürich-Hard</H5>
Ladenlokal
Seebahnstr. 185, 8004 Zürich/ZH
*044 242 31 60 Krankenmobilienmagazin Zürich-Hard Ladenlokal Seebahnstr. 185, 8004 Zürich/ZH *044 242 31 60
also a possibitly of help for you is pro infirmis , this is a charity ho helps people with handicaps and they may help you further and possibly know best where you might be able to rent an electric wheelchair.
Pro Infirmis Schweiz
Feldeggstrasse 71
8008 Zürich/ZH
Postfach 1332
8032 Zürich
044 388 26 26Fax044 388 26 00
HTH
EE