Title:
AUXILIARY TRACTOR AND DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2019/113790
Kind Code:
A1
Abstract:
Provided are an auxiliary tractor and device comprising same, the auxiliary tractor comprises: a connecting base (10) mounted to an external device to undergo traction (100) and detachably connected to the device to undergo traction (100); a connector (20), one end of which is detachably connected to the connecting base (10); a traveling wheel set (30) mounted on the other end of the connector (20), a plurality of rollers (31) are distributed along the circumferential direction of the rim of the traveling wheel set (30), and the traveling wheel set (30) is laterally rotatable. The auxiliary tractor is placed on shopping cart, wheelchair, and flat cart, which reduces the turning radius during steering, and facilitates users or operators to control with less effort.
More Like This:
Inventors:
LIANG QIHAO (CN)
Application Number:
PCT/CN2017/115721
Publication Date:
June 20, 2019
Filing Date:
December 12, 2017
Export Citation:
Assignee:
LIANG QIHAO (CN)
International Classes:
A61G5/04; A61G5/10
Foreign References:
| CN107753197A | 2018-03-06 | |||
| CN202843965U | 2013-04-03 | |||
| CN106985608A | 2017-07-28 | |||
| CN1985096A | 2007-06-20 | |||
| CN101268977A | 2008-09-24 | |||
| US3941198A | 1976-03-02 | |||
| CN205150141U | 2016-04-13 |
Download PDF: