Abraham-Nino Ransenberg,Eyal Artsiely,Arik Bar Erez,Mor Michael Brot,Yuval Chomski,Yizhaq Goldman,Yarom Goren
申请号：
US14415741
公开号：
US20150209205A1
申请日:
2013.07.16
申请国别(地区):
US
年份:
2015
代理人:
摘要：
A motorized vehicle having a wheel retraction apparatus, comprising: a plurality of rear wheels and at least one front wheel a lower chassis having a foot surface mounted thereon and a wheel retraction apparatus mechanically connected to said lower chassis and set to extract and retract said plurality of rear wheels from and towards said lower chassis and to fixate said plurality of rear wheels in a plurality of different widths from one another wherein a distance between an axis passing through the centers of said plurality of rear wheels and said at least one front wheel is reduced when said plurality of rear wheels are retracted towards said lower chassis.
