Title:
SURFACE TREATMENT APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/151563
Kind Code:
A1
Abstract:
Provided is a surface treatment apparatus, comprising a main body (600), three rotary cleaning discs (610), three driving devices (620) for driving corresponding rotary cleaning discs (610) to rotate relative to the main body (600), an air extracting device (630) communicating with the three rotary cleaning discs (610) in a sealed manner and enabling the rotary cleaning discs (610) to be suctioned onto a surface by means of a negative pressure generated through air extraction, and a control system (640) electrically connected to the air extracting device (630) and the three driving devices (620), and controlling two of the three driving devices (620) to rotate and the remaining one to be still.
Inventors:
SONG HONGCHAO (CN)
ZHAO SHAN (CN)
ZHAO SHAN (CN)
Application Number:
PCT/CN2020/072436
Publication Date:
July 30, 2020
Filing Date:
January 16, 2020
Export Citation:
Assignee:
BEIJING HUTT INTELLIGENT TECH CO LTD (CN)
International Classes:
A47L1/02; A47L11/38; A47L11/40; F16H57/02; F16H57/023; F16H57/031
Foreign References:
| CN209863632U | 2019-12-31 | |||
| CN209638370U | 2019-11-15 | |||
| CN209678401U | 2019-11-26 | |||
| CN209808242U | 2019-12-20 | |||
| CN209678402U | 2019-11-26 | |||
| CN105615763A | 2016-06-01 | |||
| CN106691295A | 2017-05-24 | |||
| CN208144972U | 2018-11-27 | |||
| EP2789281A1 | 2014-10-15 |
Attorney, Agent or Firm:
BEIJING HUIZE INTELLECTUAL PROPERTY LAW LLC (CN)
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