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1. (WO2018124691) CLEANER

Pub. No.:    WO/2018/124691    International Application No.:    PCT/KR2017/015470
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Wed Dec 27 00:59:59 CET 2017
IPC: A47L 9/28
Inventors: YOUK, Hyungkyu
KIM, Sangjo
The present disclosure relates to a cleaner including a cleaner main body having a controller, a wheel cover mounted on the cleaner main body, a driving module coupled to the wheel cover to be movable up and down, a driving wheel coupled to the driving module and configured to be rotatable by receiving driving force from the driving module, a suspension configured to guide the upward and downward movement of the driving module and absorb impacts while the driving module is moved up and down, a link member rotatably installed on the wheel cover, and rotated by being in contact with a protrusion of the driving module when the driving module is moved downward by a preset distance, and a switch pressed in response to the rotation of the link member to transfer a signal to the controller.